Earl of Abercorn    [Scotland, 1606]
  1st: James Hamilton (10 Jul 1606-23 Mar 1618)
  2nd: James Hamilton (23 Mar 1618-c 1670)
  3rd: George Hamilton (c 1670-b 1683)
  4th: Claud Hamilton (c 1680-Aug 1691)
  5th: Charles Hamilton (Aug 1691-Jun 1701)
  6th: James Hamilton (Jun 1701-28 Nov 1734)
  7th: James Hamilton (28 Nov 1734-11 Jan 1744)
  8th: James Hamilton (11 Jan 1744-9 Oct 1789)
  9th: John James Hamilton (9 Oct 1789-27 Jan 1818)
10th: James Hamilton (27 Jan 1818-31 Oct 1885)
11th: James Hamilton (31 Oct 1885-3 Jan 1913)
12th: James Albert Edward Hamilton (3 Jan 1913-12 Sep 1953)
13th: James Edward Hamilton (12 Sep 1953-4 Jun 1979)
14th: James Hamilton (4 Jun 1979- )

Earl of Aberdeen    [Scotland, 1682]
  1st: George Gordon (30 Nov 1682-20 Apr 1720)
  2nd: William Gordon (20 Apr 1720-30 Mar 1746)
  3rd: George Gordon (30 Mar 1745-13 Aug 1801)
  4th: George Hamilton-Gordon (13 Aug 1801-14 Dec 1860)
  5th: George John James Hamilton-Gordon (14 Dec 1860-22 Mar 1864)
  6th: George Hamilton-Gordon (22 Mar 1864-27 Jan 1870)
  7th: John Campbell Hamilton-Gordon (27 Jan 1870-7 Mar 1934)
  8th: George Gordon (7 Mar 1934-6 Jan 1965)
  9th: Dudley Gladstone Gordon (6 Jan 1965-16 Apr 1972)
10th: David George Ian Alexander Gordon (16 Apr 1972-13 Sep 1974)
11th: Archibald Victor Dudley Gordon (13 Sep 1974-7 Sep 1984)
12th: Alastair Ninian John Gordon (7 Sep 1984-19 Aug 2002)
13th: Alexander George Gordon (19 Aug 2002- )

Earl of Abergavenny, co. Monmouth    [Great Britain, 1784]
  1st: George Neville (17 May 1784-9 Sep 1785)
  2nd: Henry Nevill (9 Sep 1785-27 Mar 1843)
  3rd: John Nevill (27 Mar 1843-12 Apr 1845)
  4th: William Nevill (12 Apr 1845-17 Aug 1868)
  5th: William Nevill (17 Aug 1868-12 Dec 1915)
  6th: Reginald William Bransby Nevill (12 Dec 1915-13 Oct 1927)
  7th: Henry Gilbert Ralph Nevill (13 Oct 1927-10 Jan 1938)
  8th: Guy Temple Montacute Larnach-Nevill (10 Jan 1938-30 Mar 1954)
  9th: John Henry Guy Nevill (30 Mar 1954-23 Feb 2000)
10th: Christopher George Charles Nevill (23 Feb 2000- )

Earl of Abingdon, Berkshire    [England, 1682]
  1st: James Bertie (30 Nov 1682-22 May 1699)
  2nd: Montagu Venables-Bertie (22 May 1699-16 Jun 1743)
  3rd: Willoughby Bertie (16 Jun 1743-10 Jun 1760)
  4th: Willoughby Bertie (10 Jun 1760-26 Sep 1799)
  5th: Montagu Bertie (26 Sep 1799-16 Oct 1854)
  6th: Montagu Bertie (16 Oct 1854-8 Feb 1884)
  7th: Montagu Arthur Bertie (8 Feb 1884-10 Mar 1928)
  8th: Montagu Henry Edmund Cecil Towneley-Bertie (10 Mar 1928-11 Sep 1963)
  9th: Richard Henry Rupert Bertie (11 Sep 1963- )

Earl of Aboyne    [Scotland, 1660]
  1st: Charles Gordon (10 Sep 1660-Mar 1681) for adhering firmly to the Royal cause during the Civil War
  2nd: Charles Gordon (Mar 1681-Apr 1702)
  3rd: John Gordon (Apr 1702-7 Apr 1732)
  4th: Charles Gordon (7 Apr 1732-28 Dec 1794)
  5th: George Gordon (28 Dec 1794-17 Jun 1853)
  6th: Charles Gordon (17 Jun 1853-18 Sep 1863)
  7th: Charles Gordon (18 Sep 1863-20 Feb 1937)
  8th: Douglas Charles Lindsey Gordon (20 Feb 1937-26 Jan 1987)
  9th: Granville Charles Gomer Gordon (26 Jan 1987- )

Earl of Ailesbury, Buckinghamshire    [England, 1665]
  1st: Robert Bruce (18 Mar 1665-20 Oct 1685) having been instrumental in procuring the Restoration
  2nd: Thomas Bruce (20 Oct 1685-16 Dec 1741)
  3rd: Charles Bruce (16 Dec 1741-10 Feb 1747)

Earl of Ailesbury, Buckinghamshire    [Great Britain, 1776]
  1st: Thomas Brudenell-Bruce (10 Jun 1776-19 Apr 1814)
  2nd: Charles Brudenell-Bruce (19 Apr 1814-4 Jan 1856)
  3rd: George William Frederick Brudenell-Bruce (4 Jan 1856-6 Jan 1878)
  4th: Ernest Augustus Charles Brudenell-Bruce (6 Jan 1878-18 Oct 1886)
  5th: George William Thomas Brudenell-Bruce (18 Oct 1886-10 Apr 1894)
  6th: Henry Augustus Brudenell-Bruce (10 Apr 1894-10 Mar 1911)
  7th: George William James Chandos Brudenell-Bruce (10 Mar 1911-4 Aug 1961)
  8th: Chandos Sydney Cedric Brudenell-Bruce (4 Aug 1961-15 Jul 1974)
  9th: Michael Sydney Cedric Brudenell-Bruce (15 Jul 1974- )

Earl of Airlie    [Scotland, 1639]
  1st: James Ogilvy (2 Apr 1639-1665)
  2nd: James Ogilvy (1665-1703)
  3rd: David Ogilvy (1704-1717)
  4th: David Ogilvy (26 May 1826-20 Aug 1849) after his honours were restored by Act of Parliament
  5th: David Graham Drummond Ogilvy (20 Aug 1849-25 Sep 1881)
  6th: David Stanley William Ogilvy (25 Sep 1881-11 Jun 1900)
  7th: David Lyulph Gore Wolseley Ogilvy (11 Jun 1900-28 Dec 1968)
  8th: David George Patrick Coke Ogilvy (28 Dec 1968- )

Earl of Airth    [Scotland, 1633]
  1st: William Graham (28 Mar 1633-a 13 Apr 1661) with precedency of 6 September 1428
  2nd: William Graham (a Apr 1661-12 Sep 1694)

Earl of Albemarle    [England, 1697]
  1st: Arnold Joost Keppel (10 Feb 1697-30 May 1718)
  2nd: William Anne Keppel (19 May 1718-22 Dec 1754)
  3rd: George Keppel (22 Dec 1754-13 Oct 1772)
  4th: William Charles Keppel (13 Oct 1772-30 Oct 1849)
  5th: Augustus Frederick Keppel (30 Oct 1849-15 Mar 1851)
  6th: George Thomas Keppel (15 Mar 1851-21 Feb 1891)
  7th: William Coutts Keppel (21 Feb 1891-28 Aug 1894)
  8th: Arnold Allen Cecil Keppel (28 Aug 1894-12 Apr 1942)
  9th: Walter Egerton George Lucian Keppel (12 Apr 1942-14 Jul 1979)
10th: Rufus Arnold Alexis Keppel (14 Jul 1979- )

Earl of Aldborough, of the Palatinate of Upper Ormond    [Ireland, 1777]
  1st: John Stratford (9 Feb 1777-29 Jun 1777)
  2nd: Edward Augustus Stratford (29 Jun 1777-2 Jan 1801)
  3rd: John Stratford (2 Jan 1801-7 Mar 1823)
  4th: Benjamin O'Neale Stratford (7 Mar 1823-11 Jul 1833)
  5th: Mason Gerald Stratford (11 Jul 1833-4 Oct 1849)
  6th: Benjamin O'Neale Stratford (4 Oct 1849-19 Dec 1875)

Earl Alexander of Hillsborough    [United Kingdom, 1963]
  1st: Albert Victor Alexander (30 Jan 1963-11 Jan 1965)

Earl Alexander of Tunis    [United Kingdom, 1952]
  1st: Harold Rupert Leofic George Alexander (14 Mar 1952-16 Jun 1969)
  2nd: Shane William Desmond Alexander (16 Jun 1969- )

Earl of Altamont, co. Mayo    [Ireland, 1771]
  1st: John Browne (4 Dec 1771-4 Jul 1776)
  2nd: Peter Browne (4 Jul 1776-28 Dec 1780)
  3rd: John Denis Browne (28 Dec 1780-2 Jun 1809)
  4th: Howe Peter Browne (2 Jun 1809-26 Jan 1845)
  5th: George John Browne (26 Jan 1845-30 Dec 1896)
  6th: John Thomas Browne (30 Dec 1896-30 Dec 1903)
  7th: Henry Ulick Browne (30 Dec 1903-24 Feb 1913)
  8th: George Ulick Browne (24 Feb 1913-26 Feb 1935)
  9th: Ulick de Burgh Browne (26 Feb 1935-7 Jan 1941)
10th: Arthur Howe Browne (7 Jan 1941-28 May 1951)
11th: Terence Morris Browne (28 May 1951-28 Jul 1952)
12th: Denis Edward Browne (28 Jul 1952-11 Sep 1991)
13th: Jeremy Ulick Browne (11 Sep 1991-13 Jul 2014)
14th: Sebastian Ulick Browne (13 Jul 2014- )

Earl Amherst of Arracan, in the East Indies    [United Kingdom, 1826]
  1st: William Pitt Amherst (19 Dec 1826-13 Mar 1857)
  2nd: William Pitt Amherst (13 Mar 1857-26 Mar 1886)
  3rd: William Archer Amherst (26 Mar 1886-14 Aug 1910)
  4th: Hugh Amherst (14 Aug 1910-7 Mar 1927)
  5th: Jeffery John Archer Amherst (7 Mar 1927-4 Mar 1993)

Earl of Ancaster    [United Kingdom, 1892]
  1st: Gilbert Henry Heathcote-Drummond-Willoughby (22 Aug 1892-24 Dec 1910)
  2nd: Gilbert Heathcote-Drummond-Willoughby (24 Dec 1910-19 Sep 1951)
  3rd: Gilbert James Heathcote-Drummond-Willoughby (19 Sep 1951-29 Mar 1983)

Earl of Ancram    [Scotland, 1701]
  1st: Robert Kerr (23 Jun 1701-15 Feb 1703)
  2nd: William Kerr (15 Feb 1703-28 Feb 1722)
  3rd: William Kerr (28 Feb 1722-28 Jul 1767)
  4th: William Henry Kerr (28 Jul 1767-12 Apr 1775)
  5th: William John Kerr (12 Apr 1775-4 Jan 1815)
  6th: William Kerr (4 Jan 1815-27 Apr 1824)
  7th: John William Robert Kerr (27 Apr 1824-14 Nov 1841)
  8th: William Schomberg Robert Kerr (14 Nov 1841-4 Jul 1870)
  9th: Schomberg Henry Kerr (6 Jul 1870-17 Jan 1900)
10th: Robert Henry Schomberg Kerr (17 Jan 1900-16 Mar 1930)
11th: Philip Henry Kerr (16 Mar 1930-12 Dec 1940)
12th: Peter Francis Walter Kerr (12 Dec 1940-11 Oct 2004)
13th: Michael Andrew Foster Jude Kerr (11 Oct 2004- )

Earl of Ancrame    [Scotland, 1633]
  1st: Robert Kerr (24 Jun 1633-a 9 Dec 1654) with a special remainder to his heirs male by his second wife, and then to his heirs male general
  2nd: Charles Kerr (c 9 Dec 1654-bt 1690-1690)
  3rd: Robert Kerr (11 Sep 1690-15 Feb 1703)
  4th: William Kerr (15 Feb 1703-28 Feb 1722)
  5th: William Kerr (28 Feb 1722-28 Jul 1767)
  6th: William Henry Kerr (28 Jul 1767-12 Apr 1775)
  7th: William John Kerr (12 Apr 1775-4 Jan 1815)
  8th: William Kerr (4 Jan 1815-27 Apr 1824)
  9th: John William Robert Kerr (27 Apr 1824-14 Nov 1841)
10th: William Schomberg Robert Kerr (14 Nov 1841-4 Jul 1870)
11th: Schomberg Henry Kerr (6 Jul 1870-17 Jan 1900)
12th: Robert Henry Schomberg Kerr (17 Jan 1900-16 Mar 1930)
13th: Philip Henry Kerr (16 Mar 1930-12 Dec 1940)
14th: Peter Francis Walter Kerr (12 Dec 1940-11 Oct 2004)
15th: Michael Andrew Foster Jude Kerr (11 Oct 2004- )

Earl of Anglesey, in Wales    [England, 1623]
  1st: Christopher Villiers (18 Apr 1623-3 Apr 1630)
  2nd: Charles Villiers (3 Apr 1630-c Feb 1661)

Earl of Anglesey, in Wales    [England, 1661]
  1st: Arthur Annesley (20 Apr 1661-6 Apr 1686)
  2nd: James Annesley (6 Apr 1686-1 Apr 1690)
  3rd: James Annesley (1 Apr 1690-21 Jan 1702)
  4th: John Annesley (21 Jan 1702-18 Sep 1710)
  5th: Arthur Annesley (18 Sep 1710-1 Apr 1737)
  6th: Richard Annesley (1 Apr 1737-14 Feb 1761)

Earl of Angus    [Scotland, 1115]
  1st: Dufugan (c 1115- )
  2nd: Gillbride ( -c 1187)
  3rd: Adam (1187-b 1198)
  4th: Gilchrist (b 1198-bt 1207-1211)
  5th: Duncan (bt 1207-1211-bt 1207-1214)
  6th: Malcolm (bt 1207-1214-bt 1237-1242)
  7th: Maud (bt 1237-1242- ) suo jure
  8th: Gilbert Umfreville (c Jun 1267-b 13 Oct 1307)
  9th: Robert Umfreville (c Oct 1307-Mar 1325)
10th: Gilbert Umfreville (Mar 1325-6 Jan 1381)

Earl of Angus    [England, 1283]
  1st: Gilbert Umfreville (28 Jun 1283-b 13 Oct 1307)
  2nd: Robert Umfreville (c Oct 1307-Mar 1325)
  3rd: Gilbert Umfreville (Mar 1325-6 Jan 1381)

Earl of Angus    [Scotland, 1329]
  1st: John Stewart (15 Jun 1329-9 Dec 1331)
  2nd: Thomas Stewart (9 Dec 1331-1361)
  3rd: Margaret Stewart (1361-b 23 Mar 1418) suo jure
  3rd: Thomas Stewart (c 1361-1377)

Earl of Angus    [Scotland, 1389]
  1st: George Douglas (9 Apr 1389-a Sep 1402)
  2nd: William Douglas (1402-Oct 1437)
  3rd: James Douglas (Oct 1437-b 9 Sep 1446)
  4th: George Douglas (b 9 Sep 1446-14 Nov 1462)
  5th: Archibald Douglas (14 Nov 1462-bt 1513-1514)
  6th: Archibald Douglas (9 Sep 1513-Jan 1557)
  7th: David Douglas (Jan 1557-Jun 1557)
  8th: Archibald Douglas (Jun 1557-4 Aug 1588)
  9th: William Douglas (4 Aug 1588-1 Jul 1591)
10th: William Douglas (1 Jul 1591-3 Mar 1611)
11th: William Douglas (3 Mar 1611-19 Feb 1660)

Earl of Angus    [Scotland, 1633]
  1st: William Douglas (14 Jun 1633-19 Feb 1660)
  2nd: James Douglas (19 Feb 1660-25 Feb 1700)
  3rd: Archibald Douglas (25 Feb 1700-21 Jul 1761)
  4th: James George Hamilton (21 Jul 1761-7 Jul 1769)
  5th: Douglas Hamilton (7 Jul 1769-2 Aug 1799)
  6th: Archibald Hamilton (2 Aug 1799-16 Feb 1819)
  7th: Alexander Hamilton (16 Feb 1819-18 Aug 1852)
  8th: William Alexander Anthony Archibald Hamilton (18 Aug 1852-15 Jul 1863)
  9th: William Alexander Louis Stephen Douglas-Hamilton (15 Jul 1863-16 May 1895)
10th: Alfred Douglas Douglas-Hamilton (16 May 1895-16 Mar 1940)
11th: Douglas Douglas-Hamilton (16 Mar 1940-30 Mar 1973)
12th: Angus Alan Douglas Douglas-Hamilton (30 Mar 1973-5 Jun 2010)
13th: Alexander Douglas Douglas-Hamilton (5 Jun 2010- )

Earl of Annandale    [Scotland, 1625]
  1st: John Murray (13 Mar 1625-22 Sep 1640)
  2nd: James Johnstone Murray (22 Sep 1640-28 Dec 1658)

Earl of Annandale and Hartfell    [Scotland, 1661]
  1st: James Johnstone (13 Feb 1661-17 Jul 1672) with the precedence of 18 March 1642/3

Earl of Annandale and Hartfell    [Scotland, 1662]
  1st: James Johnstone (23 Apr 1662-17 Jul 1672)
  2nd: William Johnstone (17 Jul 1672-14 Jan 1721) as well the 1661 creation
  3rd: James Johnstone (14 Jan 1721-10 Feb 1730) as well the 1661 creation
  4th: George van den Bempdé-Johnstone (10 Feb 1730-29 Apr 1792) as well the 1661 creation
  5th: James Hope Johnstone (29 Apr 1792-29 May 1817) de jure
  6th: Anne Hope Johnstone (29 May 1816-28 Aug 1818) de jure
  7th: John James Hope Johnstone (28 Aug 1818-11 Jul 1876) de jure
  8th: John James Hope Johnstone (11 Jul 1876-26 Dec 1912) de jure
  9th: Evelyn Wentworth Hope Johnstone (26 Dec 1912-26 Oct 1964) de jure
10th: Percy Wentworth Hope Johnstone (26 Oct 1964-5 Apr 1983) de jure
11th: Patrick Andrew Wentworth Hope Johnstone (1985- ) after his claim was allowed by the House of Lords, Committee for Privileges

Earl Annesley, of Castlewellan, co. Down    [Ireland, 1789]
  1st: Francis Charles Annesley (17 Aug 1789-19 Dec 1802) with special remainder to his brother
  2nd: Richard Annesley (19 Dec 1802-9 Nov 1824)
  3rd: William Richard Annesley (9 Nov 1824-25 Aug 1838)
  4th: William Richard Annesley (25 Aug 1838-10 Aug 1874)
  5th: Hugh Annesley (10 Aug 1874-15 Dec 1908)
  6th: Francis Annesley (15 Dec 1908-6 Nov 1914)
  7th: Walter Beresford Annesley (6 Nov 1914-7 Jul 1934)
  8th: Beresford Cecil Bingham Annesley (7 Jul 1934-29 Jun 1957)
  9th: Robert Annesley (29 Jun 1957-21 Feb 1979)
10th: Patrick Annesley (21 Feb 1979-2 Feb 2001)
11th: Philip Harrison Annesley (2 Feb 2001-11 Mar 2011)
12th: Michael Robert Annesley (11 Mar 2011- )

Earl of Antrim    [Ireland, 1620]
  1st: Randal Mac Sorley Mac Donnell (12 Dec 1620-10 Dec 1636)
  2nd: Randal Mac Donnell (10 Dec 1636-3 Feb 1682)
  3rd: Alexander Mac Donnell (3 Feb 1682-10 Dec 1699)
  4th: Randal Mac Donnell (c Jun 1699-19 Oct 1721)
  5th: Alexander Mac Donnell (19 Oct 1721-13 Oct 1775)
  6th: Randal William Mac Donnell (13 Oct 1775-29 Jul 1791)

Earl of Antrim    [Ireland, 1785]
  1st: Randal William Mac Donnell (19 Jun 1785-29 Jul 1791) with special remainder to his daughters in order of seniority
  2nd: Anne Katherine Mac Donnell (29 Jul 1791-30 Jun 1834) suo jure
  3rd: Charlotte MacDonnell (30 Jun 1834-26 Oct 1835) suo jure
  4th: Hugh Seymour McDonnell (26 Oct 1835-19 Jul 1855)
  5th: Mark McDonnell (19 Jul 1855-19 Dec 1869)
  6th: William Randal McDonnell (19 Dec 1869-19 Jul 1918)
  7th: Randal Mark Kerr McDonnell (19 Jul 1918-15 Jun 1932)
  8th: Randal John Somerled McDonnell (15 Jun 1932-26 Sep 1977)
  9th: Alexander Randal Mark McDonnell (26 Sep 1977- )

Earl of Ardglass    [Ireland, 1645]
  1st: Thomas Cromwell (15 Apr 1645-1653)
  2nd: Wingfield Cromwell (1653-3 Oct 1668)
  3rd: Thomas Cromwell (3 Oct 1668-11 Apr 1682)
  4th: Vere Essex Cromwell (11 Apr 1682-26 Nov 1687)

Earl of Argyll    [Scotland, 1457]
  1st: Colin Campbell (1457-10 May 1493)
  2nd: Archibald Campbell (10 May 1493-9 Sep 1513)
  3rd: Colin Campbell (9 Sep 1513-9 Oct 1529)
  4th: Archibald Campbell (1529-bt 1558-1558)
  5th: Archibald Campbell (1558-12 Sep 1573)
  6th: Colin Campbell (12 Sep 1573-10 Sep 1584)
  7th: Archibald Campbell (10 Sep 1584-bt 1638-1638)
  8th: Archibald Campbell (1638-27 May 1661)
  9th: Archibald Campbell (16 Oct 1663-30 Jun 1685) after being restored to the honours and estates of his family
10th: Archibald Campbell (1689-25 Sep 1703) acknowledged by the Convention of Estates Scotland, before the reversal of the attainder against his father
11th: John Campbell (25 Sep 1703-4 Oct 1743)
12th: Archibald Campbell (4 Oct 1743-15 Apr 1761)
13th: John Campbell (15 Apr 1761-9 Nov 1770)
14th: John Campbell (9 Nov 1770-24 May 1806)
15th: George William Campbell (24 May 1806-22 Oct 1839)
16th: John Douglas Edward Henry Campbell (22 Oct 1839-25 Apr 1847)
17th: George John Douglas Campbell (25 Apr 1847-24 Apr 1900)
18th: John George Edward Henry Douglas Sutherland Campbell (24 Apr 1900-2 May 1914)
19th: Niall Diarmid Campbell (2 May 1914-20 Aug 1949)
20th: Ian Douglas Campbell (20 Aug 1949-7 Apr 1973)
21st: Ian Campbell (7 Apr 1973-21 Apr 2001)
22nd: Torquhil Ian Campbell (21 Apr 2001- )

Earl of Arlington    [England, 1672]
  1st: Henry Bennet (22 Apr 1672-28 Jul 1685) with a special remainder to his brother, Sir John Bennet
  2nd: Isabella Bennet (28 Jul 1685-7 Feb 1723) suo jure
  3rd: Charles Fitzroy (7 Feb 1723-6 May 1757)
  4th: Augustus Henry Fitzroy (6 May 1757-14 Mar 1811)
  5th: George Henry FitzRoy (14 Mar 1811-28 Sep 1844)
  6th: Henry FitzRoy (28 Sep 1844-26 Mar 1863)
  7th: William Henry Fitzroy (26 Mar 1863-21 May 1882)
  8th: Augustus Charles Lennox FitzRoy (21 May 1882-4 Dec 1918)
  9th: Alfred William Maitland FitzRoy (4 Dec 1918-10 Jan 1930)
10th: John Charles William FitzRoy (10 Jan 1930-1 Aug 1936)

Earl of Armagh    [Great Britain, 1799]
  1st: Ernst August I Hannover (24 Apr 1799-18 Nov 1851)
  2nd: Georg V Hannover (18 Nov 1851-12 Jun 1878)
  3rd: Ernst August II Wilhelm Adolf Georg Friedrich Hannover (12 Jun 1878-14 Nov 1923)

Earl of Arran    [Scotland, 1467]
  1st: Thomas Boyd (26 Apr 1467-c 1473)

Earl of Arran    [Scotland, 1503]
  1st: James Hamilton (11 Aug 1503-bt 1529-1529)
  2nd: James Hamilton (bt 1529-1529-22 Jan 1575)
  3rd: James Hamilton (22 Jan 1575-Mar 1609)
  4th: James Hamilton (Mar 1609-2 Mar 1625)
  5th: James Hamilton (2 Mar 1625-9 Mar 1649)
  6th: William Hamilton (9 Mar 1649-12 Sep 1651)

Earl of Arran    [Scotland, 1581]
  1st: James Stewart (28 Oct 1581-5 Dec 1595)

Earl of Arran    [Ireland, 1662]
  1st: Richard Butler (13 May 1662-25 Jan 1686) with his brother, John Butler, as remainder

Earl of Arran    [Ireland, 1693]
  1st: Charles Butler (8 Mar 1693-17 Dec 1758)

Earl of Arran and Cambridge    [Scotland, 1643]
  1st: James Hamilton (12 Apr 1643-9 Mar 1649)
  2nd: William Hamilton (9 Mar 1649-12 Sep 1651)
  3rd: Anne Hamilton (12 Sep 1651-17 Oct 1716)
  4th: James Hamilton (9 Jul 1698-15 Nov 1712)
  5th: James Hamilton (15 Nov 1712-2 Mar 1743)
  6th: James Hamilton (2 Mar 1743-17 Jan 1758)
  7th: James George Hamilton (17 Jan 1758-7 Jul 1769)
  8th: Douglas Hamilton (7 Jul 1769-2 Aug 1799)
  9th: Archibald Hamilton (2 Aug 1799-16 Feb 1819)
10th: Alexander Hamilton (16 Feb 1819-18 Aug 1852)
11th: William Alexander Anthony Archibald Hamilton (18 Aug 1852-15 Jul 1863)
12th: William Alexander Louis Stephen Douglas-Hamilton (15 Jul 1863-16 May 1895)
13th: Alfred Douglas Douglas-Hamilton (16 May 1895-16 Mar 1940)
14th: Douglas Douglas-Hamilton (16 Mar 1940-30 Mar 1973)
15th: Angus Alan Douglas Douglas-Hamilton (30 Mar 1973-5 Jun 2010)
16th: Alexander Douglas Douglas-Hamilton (5 Jun 2010- )

Earl of Arran of the Arran Islands, co. Galway    [Ireland, 1762]
  1st: Arthur Gore (12 Apr 1762-17 Apr 1773)
  2nd: Arthur Saunders Gore (17 Apr 1773-8 Oct 1809)
  3rd: Arthur Saunders Gore (8 Oct 1809-20 Jan 1837)
  4th: Philip Yorke Gore (20 Jan 1837-25 Jun 1884)
  5th: Arthur Saunders William Charles Fox Gore (25 Jun 1884-14 Mar 1901)
  6th: Arthur Jocelyn Charles Gore (14 Mar 1901-19 Dec 1958)
  7th: Arthur Paul John James Charles Gore (19 Dec 1958-28 Dec 1958)
  8th: Arthur Strange Kattendyke David Archibald Gore (28 Dec 1958-23 Feb 1983)
  9th: Arthur Desmond Colquhoun Gore (23 Feb 1983- )

Earl of Arundel    [England, 1067]
  1st: Roger Montgomery (Dec 1067-27 Jul 1094) receiving grants including one third of the county of Sussex, including the city of Chichester and the Castle of Arundel
  2nd: Hugh Montgomery (27 Jul 1094-1098)
  3rd: Robert Bellême (1098- )

Earl of Arundel    [England, 1138]
  1st: William Aubigny (c 1138-3 Oct 1176)
  2nd: William Aubigny (27 Jun 1190-24 Dec 1193)
  3rd: William Aubigny (24 Dec 1193-b 30 Mar 1221)
  4th: William Aubigny (30 Mar 1221-b 7 Aug 1224)
  5th: Hugh Aubigny (7 Aug 1224-7 May 1243)
  6th: John FitzAlan (27 Nov 1243-b 10 Nov 1267) de jure, but he appears to have never used this title
  7th: John FitzAlan (10 Dec 1267-18 Mar 1272) de jure, but he appears to have never used this title
  8th: Richard Fitzalan (18 Mar 1272-9 Mar 1302)
  9th: Edmund Fitzalan (9 Mar 1302-17 Nov 1326)
10th: Richard FitzAlan (1331-24 Jan 1376)
11th: Richard FitzAlan (24 Jan 1376-21 Sep 1397)
12th: Thomas Fitzalan (Oct 1400-13 Oct 1415) after his father's attainder was reversed
13th: John Arundel (13 Oct 1415-21 Apr 1421)
14th: John Arundel (Nov 1433-12 Jun 1435)
15th: Humphrey FitzAlan (12 Jun 1435-24 Apr 1438)
16th: William Fitzalan (3 Dec 1441-1487)
17th: Thomas FitzAlan (c 1487-25 Oct 1524)
18th: William FitzAlan (25 Oct 1524-23 Jan 1544)
19th: Henry Fitzalan (23 Jan 1544-24 Feb 1580)
20th: Philip Howard (24 Feb 1580-19 Oct 1595)
21st: Thomas Howard (18 Apr 1604-4 Oct 1646) after the attainders of his father and paternal grandfather were reversed by Act of Parliament
22nd: Henry Frederick Howard (4 Oct 1646-17 Apr 1652)
23rd: Thomas Howard (17 Apr 1652-13 Dec 1677)

Earl of Arundel    [England, 1289]
  1st: Richard Fitzalan (1289-9 Mar 1302)
  2nd: Edmund Fitzalan (9 Mar 1302-17 Nov 1326)
  3rd: Richard FitzAlan (1331-24 Jan 1376)
  4th: Richard FitzAlan (24 Jan 1376-21 Sep 1397)
  5th: Thomas Fitzalan (Oct 1400-13 Oct 1415)
  6th: John Arundel (13 Oct 1415-21 Apr 1421)
  7th: John Arundel (Nov 1433-12 Jun 1435)
  8th: Humphrey FitzAlan (12 Jun 1435-24 Apr 1438)
  9th: William Fitzalan (3 Dec 1441-1487)
10th: Thomas FitzAlan (1487-25 Oct 1524)
11th: William FitzAlan (25 Oct 1524-23 Jan 1544)
12th: Henry Fitzalan (23 Jan 1544-24 Feb 1580)

Earl of Ashburnham    [Great Britain, 1730]
  1st: John Ashburnham (14 May 1730-10 Mar 1737)
  2nd: John Ashburnham (10 Mar 1737-8 Apr 1812)
  3rd: George Ashburnham (8 Apr 1812-27 Oct 1830)
  4th: Bertram Ashburnham (27 Oct 1830-22 Jun 1878)
  5th: Bertram Ashburnham (22 Jun 1878-15 Jan 1913)
  6th: Thomas Ashburnham (15 Jan 1913-12 May 1924)

Earl of Athlone    [United Kingdom, 1890]
  1st: Albert Victor Christian Edward Saxe-Coburg and Gotha (24 May 1890-14 Jan 1892)

Earl of Athlone    [United Kingdom, 1917]
  1st: Alexander Augustus Frederick William Alfred George Cambridge (16 Jul 1917-16 Jan 1957)

Earl of Athlone, co. Roscommon    [Ireland, 1692]
  1st: Godard Reede (4 Mar 1692-11 Feb 1703)
  2nd: Frederik Christiaan Reede (11 Feb 1703-15 Aug 1719)
  3rd: Godard Adriaan Reede (15 Aug 1719-8 Oct 1736)
  4th: Frederik Willem Reede (8 Oct 1736-1 Dec 1747)
  5th: Frederik Christiaan Reinhart Reede (1 Dec 1747-13 Dec 1808)
  6th: Frederik Willem Reede (13 Dec 1808-5 Dec 1810)
  7th: Reynoud Diederik Jacob Reede (5 Dec 1810-31 Oct 1823)
  8th: George Godard Henry Reede (31 Oct 1823-2 Mar 1843)
  9th: Willem Gustaaf Frederik Reede (2 Mar 1843-21 May 1844)

Earl of Atholl    [Scotland, 1115]
  1st: Madach (c 1115-bt 1142-1152)
  2nd: Malcolm (c 1150-bt 1194-1198)
  3rd: Henry (c 1190-b Jan 1211)
  4th: Isabel (c 1210-b 25 Sep 1237) suo jure
  5th: Patrick Galloway (c 1231-1242)
  6th: Fernelith (1242- ) suo jure
  7th: Ada Hastings (c 1250-c 1266) suo jure
  8th: David Strathbogie (b Dec 1264-6 Aug 1270)
  9th: John Strathbogie (6 Aug 1270-7 Nov 1306)
10th: David Strathbogie (bt 1307-1308-28 Dec 1326) restored by King Edward II
11th: David Strathbogie (28 Dec 1326-30 Nov 1335)
12th: David Strathbogie (30 Nov 1335-10 Oct 1369)

Earl of Atholl    [Scotland, 1306]
  1st: Ralph Monthermer (12 Oct 1306-5 Apr 1325) conferred on him by King Edward I, after forfeiting it from John of Strathbogie

Earl of Atholl    [Scotland, 1320]
  1st: John Campbell (c 1320-19 Jul 1333)

Earl of Atholl    [Scotland, 1341]
  1st: William Douglas (18 Jul 1341-Aug 1353)

Earl of Atholl    [Scotland, 1342]
  1st: Robert II Stewart (16 Feb 1342-19 Apr 1390)

Earl of Atholl    [Scotland, 1398]
  1st: David Stewart (6 Sep 1398-26 Mar 1402)

Earl of Atholl    [Scotland, 1403]
  1st: Robert Stewart (2 Sep 1403-3 Sep 1420) for the life of King Robert III only

Earl of Atholl    [Scotland, 1404]
  1st: Walter Stewart (c 28 Apr 1404-26 Mar 1437)

Earl of Atholl    [Scotland, 1457]
  1st: John Stewart (c 1457-15 Sep 1512)
  2nd: John Stewart (15 Sep 1512-1521)
  3rd: John Stewart (1521-c Nov 1542)
  4th: John Stewart (c 1542-24 Apr 1579)
  5th: John Stewart (24 Apr 1579-25 Aug 1595)

Earl of Atholl    [Scotland, 1596]
  1st: John Stewart (6 Mar 1596-bt 1603-1603)
  2nd: James Stewart (bt 1603-1603-1625)

Earl of Atholl    [Scotland, 1629]
  1st: John Murray (17 Feb 1629-Jun 1642)
  2nd: John Murray (Jun 1642-6 May 1703)
  3rd: John Murray (6 May 1703-14 Nov 1724)
  4th: James Murray (9 Jul 1746-8 Jan 1764)
  5th: John Murray (8 Jan 1764-5 Nov 1774)
  6th: John Murray (5 Nov 1774-29 Sep 1830)
  7th: John Murray (29 Sep 1830-14 Sep 1846)
  8th: George Augustus Frederick John Murray (14 Sep 1846-16 Jan 1864)
  9th: John James Hugh Henry Stewart-Murray (16 Jan 1864-20 Jan 1917)
10th: John George Stewart-Murray (20 Jan 1917-16 Mar 1942)
11th: James Thomas Stewart-Murray (16 Mar 1942-8 May 1957)
12th: George Iain Murray (8 May 1957-27 Feb 1996)
13th: John Murray (27 Feb 1996-15 May 2012)
14th: Bruce George Ronald Murray (15 May 2012- )

Earl Attlee    [United Kingdom, 1955]
  1st: Clement Richard Attlee (16 Dec 1955-8 Oct 1967)
  2nd: Martin Richard Attlee (8 Oct 1967-27 Jul 1991)
  3rd: John Richard Attlee (27 Jul 1991- )

Earl of Auckland    [United Kingdom, 1839]
  1st: George Eden (21 Dec 1839-1 Jan 1849)

Earl of Aumale    [England, 1412]
  1st: Thomas Lancaster (9 Jul 1412-22 Mar 1421)

Earl of Ava, co. Down and Burma    [United Kingdom, 1888]
  1st: Frederick Temple Hamilton-Temple-Blackwood (17 Nov 1888-12 Feb 1902)
  2nd: Terence John Temple Hamilton-Temple-Blackwood (12 Feb 1902-11 Feb 1919)
  3rd: Frederick Temple Hamilton-Temple-Blackwood (7 Feb 1918-21 Jul 1930)
  4th: Basil Sheridan Hamilton-Temple-Blackwood (21 Jul 1930-25 Mar 1945)
  5th: Sheriden Frederick Terence Hamilton-Temple-Blackwood (25 Mar 1945-1988)

Earl of Avon    [United Kingdom, 1961]
  1st: Robert Anthony Eden (12 Jul 1961-14 Jan 1977)
  2nd: Nicholas Eden (14 Jan 1977-17 Aug 1985)

Earl of Avondale    [Scotland, 1437]
  1st: James Douglas (c 1437-24 Mar 1443)
  2nd: William Douglas (24 Mar 1443-22 Feb 1452)
  3rd: James Douglas (22 Feb 1452-a 22 May 1491)

Earl of Aylesford, co. Kent    [Great Britain, 1714]
  1st: Heneage Finch (19 Oct 1714-22 Jul 1719)
  2nd: Heneage Finch (22 Jul 1719-29 Jun 1757)
  3rd: Heneage Finch (29 Jun 1757-9 Mar 1777)
  4th: Heneage Finch (9 May 1777-21 Oct 1812)
  5th: Heneage Finch (21 Oct 1812-3 Jan 1859)
  6th: Heneage Finch (3 Jan 1859-10 Jan 1871)
  7th: Heneage Finch (10 Jan 1871-13 Jan 1885)
  8th: Charles Wightwick Finch (13 Jan 1885-16 Sep 1924)
  9th: Heneage Michael Charles Finch (16 Sep 1924-28 May 1940)
10th: Charles Daniel Finch-Knightley (28 May 1940-20 Mar 1958)
11th: Charles Ian Finch-Knightley (20 Mar 1958-19 Feb 2008)
12th: Heneage Charles Finch-Knightley (19 Feb 2008- )

Earl of Balcarres    [Scotland, 1651]
  1st: Alexander Lindsay (9 Jan 1651-30 Aug 1659)
  2nd: Charles Lindsay (30 Aug 1659-15 Oct 1662)
  3rd: Colin Lindsay (15 Oct 1662-1722)
  4th: Alexander Lindsay (1722-25 Jul 1736)
  5th: James Lindsay (25 Jul 1736-20 Feb 1768)
  6th: Alexander Lindsay (20 Feb 1768-27 Mar 1825)
  7th: James Lindsay (27 Mar 1825-15 Dec 1869)
  8th: Alexander William Crawford Lindsay (15 Dec 1869-13 Dec 1880)
  9th: James Ludovic Lindsay (13 Dec 1880-31 Jan 1913)
10th: David Alexander Edward Lindsay (31 Jan 1913-8 Mar 1940)
11th: David Alexander Robert Lindsay (8 Mar 1940-13 Dec 1975)
12th: Robert Alexander Lindsay (13 Dec 1975- )

Earl Baldwin of Bewdley    [United Kingdom, 1937]
  1st: Stanley Baldwin (8 Jun 1937-14 Dec 1947)
  2nd: Oliver Ridsdale Baldwin (14 Dec 1947-10 Aug 1958)
  3rd: Arthur Windham Baldwin (10 Aug 1958-5 Jul 1976)
  4th: Edward Alfred Alexander Baldwin (5 Jul 1976- )

Earl of Balfour    [United Kingdom, 1922]
  1st: Arthur James Balfour (5 May 1922-19 Mar 1930) with a special remainder to the heirs of his brother, Gerald William Balfour, and his nephews, Francis Cecil Campbell Balfour and Oswald Herbert Campbell Balfour
  2nd: Gerald William Balfour (19 Mar 1930-14 Jan 1945)
  3rd: Robert Arthur Lytton Balfour (14 Jan 1945-28 Nov 1968)
  4th: Gerald Arthur James Balfour (28 Nov 1968-27 Jun 2003)
  5th: Roderick Francis Arthur Balfour (27 Jun 2003- )

Earl of Banbury, co. Oxford    [England, 1626]
  1st: William Knollys (18 Aug 1626-25 May 1632) with a precedence as if he was the first Earl created by the King
  2nd: Edward Knollys (25 May 1632-b Jun 1645)
  3rd: Nicholas Vaux (b Jun 1645-14 Mar 1674)
  4th: Charles Knollys (14 Mar 1674-26 Aug 1740)
  5th: Charles Knollys (26 Aug 1740-13 Mar 1771)
  6th: William Knollys (13 Mar 1771-29 Aug 1776)
  7th: Thomas Woods Knollys (29 Aug 1776-18 Mar 1793)
  8th: William Knollys (bt 1793-1813-20 Mar 1834)

Earl of Bandon    [Ireland, 1800]
  1st: Francis Bernard (29 Aug 1800-26 Nov 1830)
  2nd: James Bernard (26 Nov 1830-31 Oct 1856)
  3rd: Francis Bernard (31 Oct 1856-17 Feb 1877)
  4th: James Francis Bernard (17 Feb 1877-18 May 1924)
  5th: Percy Ronald Gardner Bernard (18 May 1924-8 Feb 1979)

Earl of Bantry, of Bantry, co. Cork    [Ireland, 1816]
  1st: Richard White (22 Jan 1816-2 May 1851)
  2nd: Richard White (2 May 1851-16 Jul 1868)
  3rd: William Henry Hare Hedges-White (16 Jul 1868-15 Jan 1884)
  4th: William Henry Hare Hedges-White (15 Jan 1884-30 Nov 1891)

Earl of Barrymore, co. Cork    [Ireland, 1628]
  1st: David Barry (28 Feb 1628-29 Sep 1642)
  2nd: Richard Barry (29 Sep 1642-Nov 1694)
  3rd: Laurence Barry (Nov 1694-17 Apr 1699)
  4th: James Barry (17 Apr 1699-5 Jan 1748)
  5th: James Barry (5 Jan 1748-19 Dec 1751)
  6th: Richard Barry (19 Dec 1751-1 Aug 1773)
  7th: Richard Barry (1 Aug 1773-6 Mar 1793)
  8th: Henry Barry (6 Mar 1793-18 Dec 1823)

Earl of Bath    [England, 1486]
  1st: Philibert Chandée (6 Jan 1486- ) with 100 marks yearly from the counties of Somerset and Dorset

Earl of Bath    [England, 1536]
  1st: John Bourchier (9 Jul 1536-30 Apr 1539)
  2nd: John Bourchier (30 Apr 1539-10 Feb 1561)
  3rd: William Bourchier (10 Feb 1561-12 Jul 1623)
  4th: Edward Bourchier (12 Jul 1623-2 Mar 1637)
  5th: Henry Bourchier (2 Mar 1637-16 Aug 1654)

Earl of Bath    [England, 1661]
  1st: John Granville (20 Apr 1661-22 Aug 1701)
  2nd: Charles Granville (22 Aug 1701-4 Sep 1701)
  3rd: William Henry Granville (4 Sep 1701-17 May 1711)

Earl of Bath    [Great Britain, 1742]
  1st: William Pulteney (14 Jul 1742-8 Jul 1764)

Earl of Bath, Somerset    [United Kingdom, 1803]
  1st: Henrietta Laura Pulteney (26 Oct 1803-14 Jul 1808) suo jure

Earl Bathurst of Bathurst, Sussex    [Great Britain, 1772]
  1st: Allen Bathurst (27 Aug 1772-16 Sep 1775)
  2nd: Henry Bathurst (16 Sep 1775-6 Aug 1794)
  3rd: Henry Bathurst (6 Aug 1794-27 Jul 1834)
  4th: Henry George Bathurst (27 Jul 1834-25 May 1866)
  5th: William Lennox Bathurst (25 May 1866-24 Feb 1878)
  6th: Allen Alexander Bathurst (24 Feb 1878-1 Aug 1892)
  7th: Seymour Henry Bathurst (1 Aug 1892-21 Sep 1943)
  8th: Henry Allen John Bathurst (21 Sep 1943-16 Oct 2011)
  9th: Allen Christopher Bertram Bathurst (16 Oct 2011- )

Earl of Beaconsfield, Buckinghamshire    [United Kingdom, 1876]
  1st: Benjamin Disraeli (21 Aug 1876-19 Apr 1881)

Earl Beatty    [United Kingdom, 1919]
  1st: David Beatty (27 Sep 1919-11 Mar 1936) along with the thanks of Parliament and a grant of £100,000 for his servies in the war
  2nd: David Field Beatty (11 Mar 1936-10 Jun 1972)
  3rd: David Beatty (10 Jun 1972- )

Earl Beauchamp    [United Kingdom, 1815]
  1st: William Lygon (1 Dec 1815-21 Oct 1816)
  2nd: William Beauchamp Lygon (21 Oct 1816-12 May 1823)
  3rd: John Reginald Pyndar (12 May 1823-22 Jan 1853)
  4th: Henry Beauchamp Lygon (22 Jan 1853-8 Sep 1863)
  5th: Henry Lygon (8 Sep 1863-4 Mar 1866)
  6th: Frederick Lygon (4 Mar 1866-19 Feb 1891)
  7th: William Lygon (19 Feb 1891-15 Nov 1938)
  8th: William Lygon (15 Nov 1938-3 Jan 1979)

Earl of Beaulieu    [Great Britain, 1784]
  1st: Edward Hussey-Montagu (8 Jul 1784-25 Nov 1802)

Earl of Bective, of Bective Castle, co. Meath    [Ireland, 1766]
  1st: Thomas Taylour (24 Oct 1766-14 Feb 1795)
  2nd: Thomas Taylour (14 Dec 1795-24 Oct 1829)
  3rd: Thomas Taylour (24 Oct 1829-6 Dec 1870)
  4th: Thomas Taylour (6 Dec 1870-22 Jul 1894)
  5th: Geoffrey Thomas Taylour (22 Jul 1894-29 Jan 1943)
  6th: Terence Geoffrey Thomas Taylour (29 Jan 1943-24 Oct 1960)
  7th: Thomas Geoffrey Charles Michael Taylour (24 Oct 1960-21 Oct 2005)
  8th: Thomas Michael Ronald Christopher Taylour (21 Oct 2005- )

Earl of Bedford    [England, 1138]
  1st: Hugh Meulan (1138- ) although this creation is very doubtful

Earl of Bedford    [England, 1366]
  1st: Enguerrand VII Coucy (11 May 1366-18 Feb 1397)

Earl of Bedford    [England, 1550]
  1st: John Russell (19 Jan 1550-14 Mar 1555)
  2nd: Francis Russell (14 Mar 1555-28 Jul 1585)
  3rd: Edward Russell (28 Jul 1585-3 May 1627)
  4th: Francis Russell (3 May 1627-9 May 1641)
  5th: William Russell (9 May 1641-7 Sep 1700)
  6th: Wriothesley Russell (7 Sep 1700-26 May 1711)
  7th: Wriothesley Russell (26 May 1711-23 Oct 1732)
  8th: John Russell (23 Oct 1732-14 Jan 1771)
  9th: Francis Russell (14 Jan 1771-2 Mar 1802)
10th: John Russell (2 Mar 1802-20 Oct 1839)
11th: Francis Russell (20 Oct 1839-14 May 1861)
12th: William Russell (14 May 1861-27 May 1872)
13th: Francis Charles Hastings Russell (27 May 1872-14 Jan 1891)
14th: George William Francis Sackville Russell (14 Jan 1891-23 Mar 1893)
15th: Herbrand Arthur Russell (23 Mar 1893-27 Aug 1940)
16th: Hastings William Sackville Russell (27 Aug 1940-9 Oct 1953)
17th: John Ian Robert Russell (9 Oct 1953-25 Oct 2002)
18th: Henry Robin Ian Russell (25 Oct 2002-13 Jun 2003)
19th: Andrew Ian Henry Russell (13 Jun 2003- )

Earl of Belfast    [Ireland, 1791]
  1st: Arthur Chichester (4 Jul 1791-5 Jan 1799)
  2nd: George Augustus Chichester (5 Jan 1799-5 Oct 1844)
  3rd: George Hamilton Chichester (5 Oct 1844-20 Oct 1883)
  4th: Edward Chichester (20 Oct 1883-20 Jan 1889)
  5th: George Augustus Chichester (20 Jan 1889-13 May 1904)
  6th: Edward Arthur Donald St. George Chichester (13 May 1904-24 May 1975)
  7th: Dermot Richard Claud Chichester (24 May 1975-19 Apr 2007)
  8th: Arthur Patrick Chichester (19 Apr 2007- )

Earl of Bellomont, in our Kingdom of Ireland    [Ireland, 1689]
  1st: Richard Coote (2 Nov 1689-5 Mar 1701) along with the preposterous grant of 77,000 acres of forfeited Irish lands
  2nd: Nanfan Coote (5 Mar 1701-14 Jun 1708)
  3rd: Richard Coote (14 Jun 1708-10 Feb 1766)

Earl of Bellomont, in our Kingdom of Ireland    [Ireland, 1767]
  1st: Charles Coote (4 Sep 1767-20 Oct 1800) but actually spelled Bellamont in the creation

Earl of Bellomont, in our Kingdon of Ireland    [Ireland, 1680]
  1st: Charles Henry Kirkhoven (9 Dec 1680-5 Jan 1683)

Earl of Belmore    [Ireland, 1797]
  1st: Armar Lowry-Corry (30 Nov 1797-2 Feb 1802)
  2nd: Somerset Lowry-Corry (2 Feb 1802-18 Apr 1841)
  3rd: Armar Lowry-Corry (18 Apr 1841-17 Dec 1845)
  4th: Somerset Richard Lowry-Corry (17 Dec 1845-6 Apr 1913)
  5th: Armar Lowry-Corry (6 Apr 1913-12 Feb 1948)
  6th: Cecil Lowry-Corry (12 Feb 1948-2 Mar 1949)
  7th: Galbraith Armar Lowry-Corry (2 Mar 1949-20 Jul 1960)
  8th: John Armar Lowry-Corry (20 Jul 1960- )

Earl of Belvidere, of co. Westmeath    [Ireland, 1756]
  1st: Robert Rochfort (29 Nov 1756-13 Nov 1774)
  2nd: George Rochfort (13 Nov 1774-13 May 1814)

Earl of Berkeley, co. Gloucester    [England, 1679]
  1st: George Berkeley (11 Sep 1679-14 Oct 1698)
  2nd: Charles Berkeley (14 Oct 1698-24 Sep 1710)
  3rd: James Berkeley (24 Sep 1710-17 Aug 1736)
  4th: Augustus Berkeley (17 Aug 1736-9 Jan 1755)
  5th: Frederick Augustus Berkeley (9 Jan 1755-8 Aug 1810)
  6th: Thomas Moreton FitzHardinge Berkeley (8 Aug 1810-27 Aug 1882) de jure
  7th: George Lennox Rawdon Berkeley (27 Aug 1882-27 Aug 1888) although he never took his seat, as the succession was not fully established
  8th: Randal Thomas Mowbray Berkeley (27 Aug 1888-15 Jan 1942)

Earl of Berkhamsted    [United Kingdom, 1917]
  1st: Alexander Albert Mountbatten (18 Jul 1917-23 Feb 1960)

Earl of Berkshire    [England, 1621]
  1st: Francis Norris (28 Jan 1621-29 Jan 1622)

Earl of Berkshire    [England, 1626]
  1st: Thomas Howard (5 Feb 1626-16 Jul 1669)
  2nd: Charles Howard (16 Jul 1669-Apr 1679)
  3rd: Thomas Howard (Apr 1679-12 Apr 1706)
  4th: Henry Bowes Howard (12 Apr 1706-21 Mar 1757)

Earl of Bessborough    [Ireland, 1739]
  1st: Brabazon Ponsonby (6 Oct 1739-4 Jul 1758)
  2nd: William Ponsonby (4 Jul 1758-11 Mar 1793)
  3rd: Frederick Ponsonby (11 Mar 1793-3 Feb 1844)
  4th: John William Ponsonby (3 Feb 1844-16 May 1847)
  5th: John George Brabazon Ponsonby (16 May 1847-28 Jan 1880)
  6th: Frederick George Brabazon Ponsonby (28 Jan 1880-11 Mar 1895)
  7th: Walter William Brabazon Ponsonby (11 Mar 1895-24 Feb 1906)
  8th: Edward Ponsonby (24 Feb 1906-1 Dec 1920)
  9th: Vere Brabazon Ponsonby (1 Dec 1920-10 Mar 1956)
10th: Frederick Edward Neuflize Ponsonby (10 Mar 1956-5 Dec 1993)
11th: Arthur Mountifort Longfield Ponsonby (5 Dec 1993-5 Apr 2002)
12th: Myles Fitzhugh Longfield Ponsonby (5 Apr 2002- )

Earl of Bessborough    [United Kingdom, 1937]
  1st: Vere Brabazon Ponsonby (2 Jun 1937-10 Mar 1956)
  2nd: Frederick Edward Neuflize Ponsonby (10 Mar 1956-5 Dec 1993)

Earl of Beverley, co. York    [Great Britain, 1790]
  1st: Algernon Percy (2 Nov 1790-21 Oct 1830)
  2nd: George Percy (21 Oct 1830-22 Aug 1867)
  3rd: Algernon George Percy (21 Aug 1867-2 Jan 1899)
  4th: Henry George Percy (2 Jan 1899-14 May 1918)
  5th: Alan Ian Percy (14 May 1918-23 Aug 1930)
  6th: Henry George Alan Percy (23 Aug 1930-21 May 1940)
  7th: Hugh Algernon Percy (21 May 1940-11 Oct 1988)
  8th: Henry Alan Walter Richard Percy (11 Oct 1988-31 Oct 1995)
  9th: Ralph George Algernon Percy (31 Oct 1995- )

Earl of Bindon, Dorset    [Great Britain, 1706]
  1st: Henry Howard (30 Dec 1706-19 Sep 1718)
  2nd: Charles William Howard (19 Sep 1718-8 Feb 1722)

Earl of Birkenhead    [United Kingdom, 1922]
  1st: Frederick Edwin Smith (28 Nov 1922-30 Sep 1930)
  2nd: Frederick Winston Furneaux Smith (30 Sep 1930-10 Jun 1975)
  3rd: Frederick William Robin Smith (10 Jun 1975-16 Feb 1985)

Earl of Blesington    [United Kingdom, 1816]
  1st: Charles John Gardiner (12 Jan 1816-25 May 1829)

Earl of Blesington, co. Wicklow    [Ireland, 1745]
  1st: William Stewart (7 Dec 1745-14 Aug 1769)

Earl of Bolingbroke    [England, 1624]
  1st: Oliver St. John (28 Dec 1624-Jun 1646)
  2nd: Oliver St. John (Jun 1646-18 Mar 1688)
  3rd: Paulet St. John (18 Mar 1688-5 Oct 1711)

Earl of Bothwell    [Scotland, 1488]
  1st: Patrick Hepburn (17 Oct 1488-18 Oct 1508) granted to him by the new King James IV following Hepburn's prominent part in the victory of Sauchieburn over King James III
  2nd: Adam Hepburn (18 Oct 1508-9 Sep 1513)
  3rd: Patrick Hepburn (9 Sep 1513-Sep 1556)
  4th: James Hepburn (Sep 1556-14 Apr 1578)

Earl of Bothwell    [Scotland, 1581]
  1st: Francis Stewart (16 Jun 1581-4 Nov 1613)

Earl of Bradford, co. Shropshire    [England, 1694]
  1st: Francis Newport (11 May 1694-19 Sep 1708)
  2nd: Richard Newport (19 Sep 1708-14 Jun 1723)
  3rd: Henry Newport (14 Jun 1723-23 Dec 1734)
  4th: Thomas Newport (23 Dec 1734-18 Apr 1762)

Earl of Bradford, co. Shropshire    [United Kingdom, 1815]
  1st: Orlando Bridgeman (30 Nov 1815-7 Sep 1825)
  2nd: George Augustus Frederick Henry Bridgeman (7 Sep 1825-22 Mar 1865)
  3rd: Orlando George Charles Bridgeman (22 Mar 1865-9 Mar 1898)
  4th: George Cecil Orlando Bridgeman (9 Mar 1898-2 Jan 1915)
  5th: Orlando Bridgeman (2 Jan 1915-21 Mar 1957)
  6th: Gerald Michael Orlando Bridgeman (21 Mar 1959-30 Aug 1981)
  7th: Richard Thomas Orlando Bridgeman (30 Aug 1981- )

Earl Brassey, of Bulkeley, Lancashire    [United Kingdom, 1911]
  1st: Thomas Brassey (5 Jul 1911-23 Feb 1918)
  2nd: Thomas Allnutt Brassey (23 Feb 1918-12 Nov 1919)

Earl Breadalbane and Holland    [Scotland, 1681]
  1st: John Campbell (13 Aug 1681-19 Mar 1717) with a special remainder to allow him to appoint any of his sons of his first wife as his successor
  2nd: John Campbell (19 Mar 1717-23 Feb 1752)
  3rd: John Campbell (23 Feb 1752-26 Jan 1782)
  4th: John Campbell (26 Jan 1782-29 Mar 1834)
  5th: John Campbell (29 Mar 1834-8 Nov 1862)
  6th: John Alexander Gavin Campbell (8 Nov 1862-20 Mar 1871)
  7th: Gavin Campbell (20 Mar 1871-19 Oct 1922)
  8th: Iain Edward Herbert Campbell (19 Oct 1922-10 May 1923)
  9th: Charles William Campbell (10 May 1923-5 May 1959)
10th: John Romer Boreland Campbell (5 May 1959-15 Dec 1995)

Earl of the County of Brecknock    [United Kingdom, 1812]
  1st: John Jeffreys Pratt (7 Sep 1812-8 Oct 1840)
  2nd: George Charles Pratt (8 Oct 1840-6 Aug 1866)
  3rd: John Charles Pratt (6 Aug 1866-4 May 1872)
  4th: John Charles Pratt (4 May 1872-15 Dec 1943)
  5th: John Charles Henry Pratt (14 Dec 1943-22 Mar 1983)
  6th: David George Edward Henry Pratt (22 Mar 1983- )

Earl of Brecknock, Wales    [England, 1660]
  1st: James Butler (20 Jul 1660-21 Jul 1688)
  2nd: James Butler (21 Jul 1688-16 Nov 1745)

Earl of Brentford, co. Middlesex    [England, 1644]
  1st: Patrick Ruthven (27 May 1644-2 Feb 1651)

Earl of Bridgwater    [England, 1538]
  1st: Henry Daubeney (19 Jul 1538-12 Apr 1548)

Earl of Bridgwater    [England, 1617]
  1st: John Egerton (27 May 1617-4 Dec 1649)
  2nd: John Egerton (4 Dec 1649-26 Oct 1686)
  3rd: John Egerton (26 Oct 1686-19 Mar 1701)
  4th: Scroop Egerton (19 Mar 1701-11 Jan 1745)
  5th: John Egerton (11 Jan 1745-26 Feb 1748)
  6th: Francis Egerton (26 Feb 1748-8 Mar 1803)
  7th: John William Egerton (8 Mar 1803-21 Oct 1823)
  8th: Francis Henry Egerton (21 Oct 1823-11 Feb 1829)

Earl of Bristol    [England, 1622]
  1st: John Digby (15 Sep 1622-21 Jan 1653)
  2nd: George Digby (21 Jan 1653-20 Mar 1677)
  3rd: John Digby (20 Mar 1677-18 Sep 1698)

Earl of Bristol    [Great Britain, 1714]
  1st: John Hervey (19 Oct 1714-20 Jan 1751)
  2nd: George William Hervey (20 Jan 1751-18 Mar 1775)
  3rd: Augustus John Hervey (18 Mar 1775-23 Sep 1779)
  4th: Frederick Augustus Hervey (23 Sep 1779-8 Jul 1803)
  5th: Frederick William Hervey (8 Jul 1803-15 Feb 1859)
  6th: Frederick William Hervey (15 Feb 1859-30 Oct 1864)
  7th: Frederick William John Hervey (30 Oct 1864-7 Aug 1907)
  8th: Frederick William Fane Hervey (7 Aug 1907-24 Oct 1951)
  9th: Herbert Arthur Robert Hervey (24 Oct 1951-5 Apr 1960)
10th: Victor Frederick Cochrane Hervey (5 Apr 1960-10 Mar 1985)
11th: Frederick William John Augustus Hervey (10 Mar 1985-10 Jan 1999)
12th: Frederick William Augustus Hervey (10 Jan 1999- )

Earl Brooke of Warwick Castle    [Great Britain, 1746]
  1st: Francis Greville (7 Jul 1746-6 Jul 1773)
  2nd: George Greville (6 Jul 1773-2 May 1816)
  3rd: Henry Richard Greville (2 May 1816-10 Aug 1853)
  4th: George Guy Greville (10 Aug 1853-2 Dec 1893)
  5th: Francis Richard Charles Guy Greville (2 Dec 1893-15 Jan 1924)
  6th: Leopold Guy Francis Maynard Greville (15 Jan 1924-31 Jan 1928)
  7th: Charles Guy Fulke Greville (31 Jan 1928-20 Jan 1984)
  8th: David Robin Francis Guy Greville (20 Jan 1984-20 Jan 1996)
  9th: Guy David Greville (20 Jan 1996- )

Earl Brownlow    [United Kingdom, 1815]
  1st: John Cust (17 Nov 1815-15 Sep 1853)
  2nd: John William Spencer Brownlow Egerton-Cust (3 Jan 1851-20 Feb 1867)
  3rd: Adelbert Wellington Brownlow Cust (20 Feb 1867-17 Mar 1921)

Earl Bruce of Whorlton, co. York    [United Kingdom, 1821]
  1st: Charles Brudenell-Bruce (17 Jul 1821-4 Jan 1856)
  2nd: George William Frederick Brudenell-Bruce (4 Jan 1856-6 Jan 1878)
  3rd: Ernest Augustus Charles Brudenell-Bruce (6 Jan 1878-18 Oct 1886)
  4th: George William Thomas Brudenell-Bruce (18 Oct 1886-10 Apr 1894)
  5th: Henry Augustus Brudenell-Bruce (10 Apr 1894-10 Mar 1911)
  6th: George William James Chandos Brudenell-Bruce (10 Mar 1911-4 Aug 1961)
  7th: Chandos Sydney Cedric Brudenell-Bruce (4 Aug 1961-15 Jul 1974)
  8th: Michael Sydney Cedric Brudenell-Bruce (15 Jul 1974- )

Earl of Buccleuch    [Scotland, 1619]
  1st: Walter Scott (16 Mar 1619-20 Nov 1633)
  2nd: Francis Scott (20 Nov 1633-22 Nov 1651)
  3rd: Mary Scott (25 Nov 1651-12 Mar 1661) suo jure
  4th: Anne Scott (12 Mar 1661-6 Feb 1732) suo jure
  5th: Francis Scott (6 Feb 1732-22 Apr 1751)
  6th: Henry Scott (22 Apr 1751-11 Jan 1812)
  7th: Charles William Henry Montagu-Scott (11 Jan 1812-20 Apr 1819)
  8th: Walter Francis Montagu Douglas Scott (20 Apr 1819-16 Apr 1884)
  9th: William Henry Walter Montagu Douglas Scott (16 Apr 1884-5 Nov 1914)
10th: John Charles Montagu Douglas Scott (5 Nov 1914-19 Oct 1935)
11th: Walter John Montagu Douglas Scott (19 Oct 1935-4 Oct 1973)
12th: Walter Francis John Montagu Douglas Scott (4 Oct 1973-4 Sep 2007)
13th: Richard Walter John Montagu Douglas Scott (4 Sep 2007- )

Earl of Buchan    [Scotland, 1115]
  1st: Gartnach (c 1115-a 1132)
  2nd: Eve (a 1132- )
  3rd: Roger
  4th: Fergus ( -b 1199)
  5th: Margaret (b 1199-bt 1242-1244)
  6th: Alexander Comyn (bt 1242-1244-b 6 Apr 1290)
  7th: John Comyn (1290-bt 1308-1308)

Earl of Buchan    [England, 1334]
  1st: Henry Beaumont (22 Jan 1334-b 10 Mar 1340)

Earl of Buchan    [Scotland, 1382]
  1st: Alexander Stewart (25 Jul 1382-24 Jul 1394)
  2nd: Robert Stewart (24 Jul 1394-3 Sep 1420)
  3rd: John Stewart (20 Sep 1406-17 Aug 1424)
  4th: Robert Stewart (17 Aug 1424-a 1431) although he never seems to have been recognised as the Earl of Buchan

Earl of Buchan    [Scotland, 1444]
  1st: Mary Stewart (c 1444-20 Mar 1465)

Earl of Buchan    [Scotland, 1469]
  1st: James Stewart (1469-1499)
  2nd: Alexander Stewart (c 1498-1505)
  3rd: John Stewart (1505-a 14 Jul 1551)
  4th: Christian Stewart (a 14 Jul 1551-20 Sep 1580) suo jure
  5th: James Douglas (20 Sep 1580-26 Aug 1601)
  6th: Mary Douglas (26 Aug 1601-b 20 Aug 1628) suo jure
  6th: James Erskine (b 1617-Jan 1640) jure uxoris
  7th: James Erskine (Jan 1640-Oct 1664)
  8th: William Erskine (Oct 1664-1695)
  9th: David Erskine (1695-14 Oct 1745)
10th: Henry David Erskine (14 Oct 1745-1 Dec 1767)
11th: David Steuart Erskine (1 Dec 1767-19 Apr 1829)
12th: Henry David Erskine (19 Apr 1829-13 Sep 1857)
13th: David Stuart Erskine (13 Sep 1857-3 Dec 1898)
14th: Shipley Gordon Stuart Erskine (3 Dec 1898-16 Apr 1934)
15th: Ronald Douglas Stuart Mar Erskine (16 Apr 1934-18 Dec 1960)
16th: Donald Cardross Flower Erskine (18 Dec 1960-26 Jul 1984)
17th: Malcolm Harry Erskine (1984- )

Earl of Buckingham    [England, 1097]
  1st: Walter Giffard (c 1097-15 Jul 1102) probably by King William II
  2nd: Walter Giffard (15 Jul 1102-1164)

Earl of Buckingham    [England, 1377]
  1st: Thomas Woodstock (16 Jul 1377-8 Sep 1397)
  2nd: Anne Woodstock (1399-bt 1438-1438)
  3rd: Humphrey Stafford (16 Oct 1438-10 Jul 1460) inheriting this title somehow, in right of his mother
  4th: Henry Stafford (10 Jul 1460-2 Nov 1483)
  5th: Edward Stafford (2 Nov 1483-15 May 1521)

Earl of Buckingham    [England, 1617]
  1st: George Villiers (5 Jan 1617-23 Aug 1628)
  2nd: George Villiers (23 Aug 1628-16 Apr 1687)

Earl of Buckingham    [England, 1618]
  1st: Mary Beaumont (1 Jul 1618-19 Apr 1632) for life

Earl of Buckinghamshire    [Great Britain, 1746]
  1st: John Hobart (5 Sep 1746-22 Sep 1756)
  2nd: John Hobart (22 Sep 1756-3 Aug 1793)
  3rd: George Hobart (3 Aug 1793-14 Oct 1804)
  4th: Robert Hobart (14 Oct 1804-4 Feb 1816)
  5th: George Robart Hampden-Hobart (4 Feb 1816-1 Feb 1849)
  6th: Augustus Edward Hobart-Hampden (1 Feb 1849-29 Oct 1885)
  7th: Sidney Carr Hobart-Hampden-Mercer-Henderson (29 Oct 1885-15 Jan 1930)
  8th: John Hampden Mercer-Henderson (15 Jan 1930-2 Jan 1963)
  9th: Vere Frederick Cecil Hobart-Hampden (2 Jan 1963-19 Apr 1983)
10th: George Miles Hobart-Hampden (19 Apr 1983- )

Earl of Burford, co. Oxford    [England, 1676]
  1st: Charles Beauclerk (27 Dec 1676-11 May 1726) with special remainder to male issue of his brother
  2nd: Charles Beauclerk (11 May 1726-27 Jul 1751)
  3rd: George Beauclerk (27 Jul 1751-1 Feb 1786)
  4th: George Beauclerk (1 Feb 1786-10 Feb 1787)
  5th: Aubrey Beauclerk (10 Feb 1787-9 Feb 1802)
  6th: Aubrey Beauclerk (9 Feb 1802-12 Aug 1815)
  7th: Aubrey Beauclerk (12 Aug 1815-19 Feb 1816)
  8th: William Beauclerk (19 Feb 1816-17 Jul 1825)
  9th: William Aubrey de Vere Beauclerk (17 Jul 1825-27 May 1849)
10th: William Ameleus Aubrey de Vere Beauclerk (27 May 1849-10 May 1898)
11th: Charles Victor Albert Aubrey de Vere Beauclerk (10 May 1898-19 Sep 1934)
12th: Osbourne de Vere Beauclerk (19 Sep 1934-2 Mar 1964)
13th: Charles Frederic Aubrey de Vere Beauclerk (2 Mar 1964-8 Oct 1988)
14th: Murray de Vere Beauclerk (8 Oct 1988- )

Earl of Burlington    [United Kingdom, 1831]
  1st: George Augustus Henry Cavendish (10 Sep 1831-4 May 1834)
  2nd: William Cavendish (4 May 1834-21 Dec 1891)
  3rd: Spencer Compton Cavendish (21 Dec 1891-24 Mar 1908)
  4th: Victor Christian William Cavendish (24 Mar 1908-6 May 1938)
  5th: Edward William Spencer Cavendish (6 May 1938-26 Nov 1950)
  6th: Andrew Robert Buxton Cavendish (26 Nov 1950-3 May 2004)
  7th: Peregrine Andrew Morny Cavendish (3 May 2004- )

Earl of Burlington, co. York    [England, 1665]
  1st: Richard Boyle (20 Mar 1665-15 Jan 1698)
  2nd: Charles Boyle (13 Jan 1698-9 Feb 1704)
  3rd: Richard Boyle (9 Feb 1704-3 Dec 1753)

Earl of Bute    [Scotland, 1703]
  1st: James Stuart (14 Apr 1703-4 Jun 1710)
  2nd: James Stuart (4 Jun 1710-28 Jan 1723)
  3rd: John Stuart (28 Jan 1723-10 Mar 1792)
  4th: John Stuart (10 Mar 1792-16 Nov 1814)
  5th: John Crichton-Stuart (16 Nov 1814-18 Mar 1848)
  6th: John Patrick Crichton-Stuart (18 Mar 1848-9 Oct 1900)
  7th: John Crichton-Stuart (9 Oct 1900-25 Apr 1947)
  8th: John Crichton-Stuart (25 Apr 1947-14 Aug 1956)
  9th: John Crichton-Stuart (14 Aug 1956-22 Jul 1993)
10th: John Colum Crichton-Stuart (22 Jul 1993- )

Earl Buxton    [United Kingdom, 1920]
  1st: Sydney Charles Buxton (8 Nov 1920-15 Oct 1934)

Earl Cadogan    [Great Britain, 1800]
  1st: Charles Sloane Cadogan (27 Dec 1800-3 Apr 1807)
  2nd: Charles Henry Sloane Cadogan (3 Apr 1807-23 Dec 1832)
  3rd: George Cadogan (23 Dec 1832-15 Sep 1864)
  4th: Henry Charles Cadogan (15 Sep 1864-8 Jun 1873)
  5th: George Henry Cadogan (8 Jun 1873-6 Mar 1915)
  6th: Gerald Oakley Cadogan (6 Mar 1915-4 Oct 1933)
  7th: William Gerald Charles Cadogan (4 Oct 1933-4 Jul 1997)
  8th: Charles Gerald John Cadogan (4 Jul 1997- )

Earl Cadogan, co. Denbigh    [Great Britain, 1718]
  1st: William Cadogan (8 May 1718-17 Jul 1726)

Earl Cairns    [United Kingdom, 1878]
  1st: Hugh MacCalmont Cairns (27 Sep 1878-2 Apr 1885)
  2nd: Arthur William Cairns (2 Apr 1885-14 Jan 1890)
  3rd: Herbert John Cairns (14 Jan 1890-14 Jan 1905)
  4th: Wilfred Dallas Cairns (14 Jan 1905-23 Oct 1946)
  5th: David Charles Cairns (23 Oct 1946-21 Mar 1989)
  6th: Simon Dallas Cairns (21 Mar 1989- )

Earl of Caithness    [Scotland, 1014]
  4th: Paul Haakonsson ( -a 1137) jointly

Earl of Caithness    [Scotland, 1030]
  1st: Thorfinn II (c 1030-bt 1056-1065) creatd by his grandfather, Malcolm II
  2nd: Paul (c 1056-1099) jointly
  2nd: Erlend (c 1056-1099) jointly
  3rd: Haakon Paulson (c 1099-1126) jointly
  3rd: Magnus (c 1099-1117) jointly
  4th: Rognvald Kolsson (a 1156-1158) jointly
  5th: Harald I Haakonsson ( -Dec 1131) jointly
  6th: Erlend Ugni Haraldsson ( -21 Dec 1156) jointly
  6th: Harald Ugni (1158-1198) jointly
  7th: Harald Maddadson (1198-1206) jointly
  7th: Magnus (1232-1239) jointly
  8th: David Haraldssen (1206-1214) jointly
  8th: Malcolm (1239- ) jointly
  9th: John Haraldssen (1214-1231) jointly
  9th: John (b 1312-b 28 Oct 1312) jointly
10th: Freskin Moray ( -b 1269) in right of his wife
11th: Reynald Cheyne in right of his wife

Earl of Caithness    [Scotland, 1375]
  1st: David Stewart (b Nov 1375-b 5 Mar 1389)
  2nd: Eupheme Stewart (b 5 Mar 1389-15 Oct 1434)
  3rd: Walter Stewart (b Jul 1402-26 Mar 1437)
  4th: Alexander Stewart (c 1428-1431)

Earl of Caithness    [Scotland, 1430]
  1st: Alexander Stewart (15 May 1430-1431) with a special remainder to his father and his heirs
  2nd: Walter Stewart (1431-26 Mar 1437)

Earl of Caithness    [Scotland, 1452]
  1st: George Crichton (8 Jul 1452-Aug 1454)

Earl of Caithness    [Scotland, 1455]
  1st: William Sinclair (28 Aug 1455-b 21 May 1480) in settlement of a claim to the Lordship of Nithsdale through his mother
  2nd: William Sinclair (c 1480-9 Sep 1513)
  3rd: John Sinclair (9 Sep 1513-18 May 1529)
  4th: George Sinclair (18 May 1529-9 Sep 1582)
  5th: George Sinclair (9 Sep 1582-Feb 1643)
  6th: George Sinclair (Feb 1643-May 1676)
  7th: George Sinclair (May 1676-1698) so declared by the Privy Council on 15 July 1681
  8th: John Sinclair (1698-1705)
  9th: Alexander Sinclair (1705-9 Dec 1765)
10th: William Sinclair (9 Dec 1765-29 Nov 1779)
11th: John Sinclair (29 Nov 1779-8 Apr 1789)
12th: James Sinclair (8 Apr 1789- )
13th: Alexander Campbell Sinclair (16 Jul 1823-24 Dec 1855)
14th: James Sinclair (24 Dec 1855-28 Mar 1881)
15th: George Philips Alexander Sinclair (28 Mar 1881-25 May 1889)
16th: James Augustus Sinclair (25 May 1889-20 Jan 1891)
17th: John Sutherland Sinclair (20 Jan 1891-30 May 1914)
18th: Norman Macleod Buchan (30 May 1914-25 Mar 1947)
19th: James Roderick Sinclair (25 Mar 1947-9 May 1965)
20th: Malcolm Ian Sinclair (9 May 1965- )

Earl of Caithness    [Scotland, 1677]
  1st: John Campbell (28 Jun 1677-19 Mar 1717) as he was owed over a million marks by George Sinclair, Earl of Caithness, and obtained the reversion of this title after the Earl's death 'upon gross and false misrepresentations'

Earl of Caledon, of Caledon, co. Tyrone    [Ireland, 1800]
  1st: James Alexander (29 Dec 1800-22 Mar 1802)
  2nd: Du Pre Alexander (22 Mar 1802-8 Apr 1839)
  3rd: James Du Pre Alexander (8 Apr 1839-30 Jun 1855)
  4th: James Alexander (30 Jun 1855-27 Apr 1898)
  5th: Eric James Desmond Alexander Alexander (27 Apr 1898-10 Jul 1968)
  6th: Denis James Alexander (10 Jul 1968-20 May 1980)
  7th: Nicholas James Alexander (20 May 1980- )

Earl of Callendar, Lord Livingston and Almond    [Scotland, 1641]
  1st: James Livingston (6 Oct 1641-c Mar 1674)
  2nd: Alexander Livingston (Mar 1674-Aug 1685)
  3rd: Alexander Livingston (Aug 1685-Dec 1692)
  4th: James Livingston (Dec 1692-25 Apr 1723)

Earl of Cambridge    [England, 1340]
  1st: Wilhelm I Jülich (7 May 1340-fr 1361-1361) by King Edward III

Earl of Cambridge    [England, 1362]
  1st: Edmund Langley (13 Nov 1362-1 Aug 1402)
  2nd: Edward York (1 Aug 1402-25 Oct 1415)

Earl of Cambridge    [England, 1414]
  1st: Richard York (1 May 1414-5 Aug 1415)
  2nd: Richard Plantagenet (19 May 1426-30 Dec 1460)
  3rd: Edward IV Plantagenet (30 Dec 1460-9 Apr 1483)

Earl of Cambridge    [England, 1619]
  1st: James Hamilton (16 Jun 1619-2 Mar 1625)
  2nd: James Hamilton (2 Mar 1625-9 Mar 1649)
  3rd: William Hamilton (9 Mar 1649-12 Sep 1651)

Earl of Cambridge    [England, 1659]
  1st: Henry Stuart (13 May 1659-13 Sep 1660)

Earl of Cambridge    [England, 1664]
  1st: James Stuart (23 Aug 1664-20 Jun 1667)

Earl of Cambridge    [England, 1667]
  1st: Edgar Stuart (7 Oct 1667-8 Jun 1671)

Earl Camden    [Great Britain, 1786]
  1st: Charles Pratt (13 May 1786-18 Apr 1794)
  2nd: John Jeffreys Pratt (18 Apr 1794-8 Oct 1840)
  3rd: George Charles Pratt (8 Oct 1840-6 Aug 1866)
  4th: John Charles Pratt (6 Aug 1866-4 May 1872)
  5th: John Charles Pratt (4 May 1872-15 Dec 1943)
  6th: John Charles Henry Pratt (14 Dec 1943-22 Mar 1983)
  7th: David George Edward Henry Pratt (22 Mar 1983- )

Earl of Campbell and Cowall    [Scotland, 1701]
  1st: Archibald Campbell (23 Jun 1701-25 Sep 1703)
  2nd: John Campbell (25 Sep 1703-4 Oct 1743)
  3rd: Archibald Campbell (4 Oct 1743-15 Apr 1761)
  4th: John Campbell (15 Apr 1761-9 Nov 1770)
  5th: John Campbell (9 Nov 1770-24 May 1806)
  6th: George William Campbell (24 May 1806-22 Oct 1839)
  7th: John Douglas Edward Henry Campbell (22 Oct 1839-25 Apr 1847)
  8th: George John Douglas Campbell (25 Apr 1847-24 Apr 1900)
  9th: John George Edward Henry Douglas Sutherland Campbell (24 Apr 1900-2 May 1914)
10th: Niall Diarmid Campbell (2 May 1914-20 Aug 1949)
11th: Ian Douglas Campbell (20 Aug 1949-7 Apr 1973)
12th: Ian Campbell (7 Apr 1973-21 Apr 2001)
13th: Torquhil Ian Campbell (21 Apr 2001- )

Earl of Camperdown of Lundie, co. Forfar and of Gleneagles, co. Perth    [United Kingdom, 1831]
  1st: Robert Dundas Duncan-Haldane (12 Sep 1831-22 Dec 1859)
  2nd: Adam Duncan-Haldane (22 Dec 1859-30 Jan 1867)
  3rd: Robert Adam Philips Haldane-Duncan (30 Jan 1859-5 Jun 1918)
  4th: George Alexander Philips Haldane-Duncan (5 Jun 1918-5 Dec 1933)

Earl Canning    [United Kingdom, 1859]
  1st: Charles John Canning (21 May 1859-17 Jun 1862)

Earl of Carbery, co. Cork    [Ireland, 1628]
  1st: John Vaughan (5 Aug 1628-6 May 1634)
  2nd: Richard Vaughan (6 May 1634-3 Dec 1686)
  3rd: John Vaughan (3 Dec 1686-16 Jan 1713)

Earl of Cardigan    [England, 1661]
  1st: Thomas Brudenell (20 Apr 1661-16 Sep 1663) following the Restoration, which cost him a further £1,000
  2nd: Robert Brudenell (16 Sep 1663-16 Jul 1703)
  3rd: George Brudenell (16 Jul 1703-5 Jul 1732)
  4th: George Montagu (5 Jul 1732-23 May 1790)
  5th: James Brudenell (23 May 1790-24 Feb 1811)
  6th: Robert Brudenell (24 Feb 1811-14 Aug 1837)
  7th: James Thomas Brudenell (14 Aug 1837-28 Mar 1868)
  8th: George William Frederick Brudenell-Bruce (28 Mar 1868-6 Jan 1878)
  9th: Ernest Augustus Charles Brudenell-Bruce (6 Jan 1878-18 Oct 1886)
10th: George William Thomas Brudenell-Bruce (18 Oct 1886-10 Apr 1894)
11th: Henry Augustus Brudenell-Bruce (10 Apr 1894-10 Mar 1911)
12th: George William James Chandos Brudenell-Bruce (10 Mar 1911-4 Aug 1961)
13th: Chandos Sydney Cedric Brudenell-Bruce (4 Aug 1961-15 Jul 1974)
14th: Michael Sydney Cedric Brudenell-Bruce (15 Jul 1974- )

Earl of Carhampton    [Ireland, 1785]
  1st: Simon Luttrell (23 Jun 1785-14 Jan 1787)
  2nd: Henry Lawes Luttrell (14 Jan 1787-25 Apr 1821)
  3rd: John Luttrell-Olmius (25 Apr 1821-19 Mar 1829)

Earl of Carlingford, co. Louth    [Ireland, 1661]
  1st: Theobald Taaffe (26 Jun 1661-31 Dec 1677)
  2nd: Nicholas Taaffe (31 Dec 1677-1 Jul 1690)
  3rd: Francis Taaffe (2 Jul 1690-Aug 1704)
  4th: Theobald Taaffe (Aug 1704-24 Nov 1738)

Earl of Carlisle    [England, 1322]
  1st: Andrew Harcla (25 Mar 1322-3 Mar 1323)

Earl of Carlisle    [England, 1661]
  1st: Charles Howard (30 Apr 1661-24 Feb 1685)
  2nd: Edward Howard (24 Feb 1685-23 Apr 1692)
  3rd: Charles Howard (23 Apr 1692-1 May 1738)
  4th: Henry Howard (1 May 1738-3 Sep 1758)
  5th: Frederick Howard (3 Sep 1758-4 Sep 1825)
  6th: George Howard (4 Sep 1825-7 Oct 1848)
  7th: George William Frederick Howard (7 Oct 1848-5 Dec 1864)
  8th: William George Howard (5 Dec 1864-29 Mar 1889)
  9th: George James Howard (29 Mar 1889-16 Apr 1911)
10th: Charles James Stanley Howard (16 Apr 1911-20 Jan 1912)
11th: George Josslyn L'Estrange Howard (20 Jan 1912-17 Feb 1963)
12th: Charles James Ruthven Howard (17 Feb 1963-28 Nov 1994)
13th: George William Beaumont Howard (28 Nov 1994- )

Earl of Carlisle, co. Cumberland    [England, 1622]
  1st: James Hay (13 Sep 1622-25 Apr 1636)
  2nd: James Hay (25 Apr 1636-30 Oct 1660)

Earl of Carnarvon    [England, 1628]
  1st: Robert Dormer (2 Aug 1628-20 Sep 1643)
  2nd: Charles Dormer (20 Sep 1643-29 Nov 1709)

Earl of Carnarvon    [Great Britain, 1714]
  1st: James Brydges (9 Oct 1714-9 Aug 1744) with a special remainder to his father and heirs
  2nd: Henry Brydges (9 Aug 1744-28 Nov 1771)
  3rd: James Brydges (28 Nov 1771-29 Sep 1789)

Earl of The Town and County of Carnarvon    [Great Britain, 1793]
  1st: Henry Herbert (3 Jul 1793-3 Jun 1811)
  2nd: Henry George Herbert (Jun 1811-16 Apr 1833)
  3rd: Henry John George Herbert (16 Apr 1833-10 Dec 1849)
  4th: Henry Howard Molyneux Herbert (10 Dec 1849-28 Jun 1890)
  5th: George Edward Stanhope Molyneux Herbert (28 Jun 1890-5 Apr 1923)
  6th: Henry George Alfred Marius Victor Francis Herbert (5 Apr 1923-22 Sep 1987)
  7th: Henry George Reginald Molyneux Herbert (22 Sep 1987-11 Sep 2001)
  8th: George Reginald Oliver Molyneux Herbert (11 Sep 2001- )

Earl of Carnwath    [Scotland, 1639]
  1st: Robert Dalzell (21 Apr 1639-c Jun 1654)
  2nd: Gavin Dalzell (c Jun 1654-Jun 1674)
  3rd: James Dalzell (Jun 1674-1683)
  4th: John Dalzell (1683-7 Jun 1702)
  5th: Robert Dalzell (7 Jun 1702-4 Aug 1737)
  6th: Alexander Dalzell (1737-3 Apr 1787) which he would have been, but for his father's attainder
  6th: Robert Alexander Dalzell (26 May 1826-1 Jan 1839) after having this title restored by Act of Parliament
  7th: Thomas Henry Dalzell (1 Jan 1839-14 Dec 1867)
  8th: Henry Arthur Hew Dalzell (14 Dec 1867-13 Mar 1873)
  9th: Arthur Alexander Dalzell (13 Mar 1873-28 Apr 1875)
10th: Harry Burrard Dalzell (28 Apr 1875-1 Nov 1887)
11th: Robert Harris Dalzell (1 Nov 1887-8 Mar 1910)
12th: Ronald Arthur Dalzell (8 Mar 1910-11 Jul 1931)
13th: Arthur Edward Dalzell (11 Jul 1931-9 Mar 1941)

Earl of Carrick    [Scotland, 1186]
  1st: Duncan (c 1186-13 Jun 1250)
  2nd: Neil (13 Jun 1250-1256)
  3rd: Margaret (1256-b 9 Nov 1292) suo jure

Earl of Carrick    [Scotland, 1292]
  1st: Robert I Bruce (27 Oct 1292-7 Jun 1329)

Earl of Carrick    [Scotland, 1313]
  1st: Edward Bruce (b 24 Oct 1313-14 Oct 1318)

Earl of Carrick    [Scotland, 1328]
  1st: David II Bruce (bt 1328-1328-22 Feb 1371)

Earl of Carrick    [Scotland, 1330]
  1st: Alexander Bruce (c 1330-19 Jul 1333)

Earl of Carrick    [Scotland, 1362]
  1st: William Cunynghame (12 Sep 1362-bt 1396-1399)

Earl of Carrick    [Scotland, 1368]
  1st: Robert III Stewart (22 Jun 1368-4 Apr 1406)

Earl of Carrick    [Scotland, 1391]
  1st: David Stewart (bt 1390-1391-26 Mar 1402)

Earl of Carrick    [England, 1594]
  1st: Henry Frederick Stuart (19 Feb 1594-6 Nov 1612)

Earl of Carrick    [Scotland, 1602]
  1st: Robert Bruce Stuart (2 May 1602-27 May 1602)

Earl of Carrick, co. Tipperary    [Ireland, 1748]
  1st: Somerset Hamilton Butler (10 Jun 1748-15 Apr 1774)
  2nd: Henry Thomas Butler (15 Apr 1774-20 Jul 1813)
  3rd: Somerset Richard Butler (20 Jul 1813-4 Feb 1838)
  4th: Henry Thomas Butler (4 Feb 1838-16 Apr 1846)
  5th: Somerset Arthur Butler (16 Apr 1846-22 Dec 1901)
  6th: Charles Henry Somerset Butler (22 Dec 1901-6 Apr 1909)
  7th: Charles Ernest Alfred French Somerset Butler (6 Apr 1909-2 Nov 1931)
  8th: Theobald Walter Somerset Henry Butler (2 Nov 1931-31 Jul 1957)
  9th: Brian Stuart Theobald Somerset Caher Butler (31 Jul 1957-c 8 Oct 1992)
10th: David James Theobald Somerset Butler (1992-8 Jan 2008)
11th: Arion Thomas Piers Hamilton Butler (8 Jan 2008- )

Earl of Carrick, in Orkney    [Scotland, 1628]
  1st: John Stewart (22 Jul 1628-fr 1643-1646)

Earl Carrington    [United Kingdom, 1895]
  1st: Charles Robert Wynn-Carington (16 Jul 1895-13 Jun 1928)

Earl of Carysfort    [Ireland, 1789]
  1st: John Joshua Proby (20 Aug 1789-7 Apr 1828)
  2nd: John Proby (7 Apr 1828-11 Jun 1855)
  3rd: Granville Leveson Proby (11 Jun 1855-3 Nov 1868)
  4th: Granville Leveson Proby (3 Nov 1868-18 May 1872)
  5th: William Proby (18 May 1872-4 Sep 1909)

Earl of Cassillis    [Scotland, 1509]
  1st: David Kennedy (23 Oct 1509-9 Sep 1513)
  2nd: Gilbert Kennedy (9 Sep 1513-bt 1527-1527)
  3rd: Gilbert Kennedy (Aug 1527-28 Nov 1558)
  4th: Gilbert Kennedy (28 Nov 1558-14 Dec 1576)
  5th: John Kennedy (14 Dec 1576-Oct 1615)
  6th: John Kennedy (25 Jul 1616-Apr 1668)
  7th: John Kennedy (22 Sep 1668-23 Jul 1701)
  8th: John Kennedy (23 Jul 1701-7 Aug 1759)
  9th: Thomas Kennedy (27 Jan 1762-30 Nov 1775)
10th: David Kennedy (30 Nov 1775-18 Dec 1792)
11th: Archibald Kennedy (18 Dec 1792-30 Dec 1794)
12th: Archibald Kennedy (30 Dec 1794-8 Sep 1846)
13th: Archibald Kennedy (8 Sep 1846-20 Mar 1870)
14th: Archibald Kennedy (20 Mar 1870-9 Apr 1938)
15th: Archibald Kennedy (9 Apr 1938-27 Feb 1943)
16th: Charles Kennedy (27 Feb 1943-1 Jun 1956)
17th: Angus Kennedy (1 Jun 1956-31 May 1957)
18th: Archibald David Kennedy (31 May 1957-7 Apr 1994)
19th: Archibald Angus Charles Kennedy (7 Apr 1994-16 Jan 2015)
20th: David Thomas Kennedy (16 Jan 2015- )

Earl Castle Stewart, co. Tyrone    [Ireland, 1800]
  1st: Andrew Thomas Stewart (30 Dec 1800-26 Aug 1809)
  2nd: Robert Stewart (26 Aug 1809-10 Jun 1854)
  3rd: Edward Stewart (10 Jun 1854-20 Feb 1857)
  4th: Charles Andrew Knox Stewart (20 Feb 1857-12 Sep 1874)
  5th: Henry James Stuart-Richardson (12 Sep 1874-5 Jun 1914)
  6th: Andrew John Stuart (5 Jun 1914-7 Nov 1921)
  7th: Arthur Stuart (7 Nov 1921-5 Nov 1961)
  8th: Arthur Patrick Avondale Stuart (5 Nov 1961- )

Earl of Castlehaven, co. Cork    [Ireland, 1616]
  1st: George Tuchet (6 Sep 1616-20 Feb 1617)
  2nd: Mervyn Tuchet (20 Feb 1617-14 May 1631)
  3rd: James Tuchet (14 May 1631-11 Oct 1684)
  4th: Mervyn Tuchet (11 Oct 1684-2 Nov 1686)
  5th: James Tuchet (2 Nov 1686-9 Aug 1700)
  6th: James Tuchet (9 Aug 1700-12 Oct 1740)
  7th: James Tuchet (12 Oct 1740-6 May 1769)
  8th: John Talbot Tuchet (6 May 1769-22 Apr 1777)

Earl of Castlemaine, co. Kerry    [Ireland, 1661]
  1st: Roger Palmer (11 Dec 1661-28 Jul 1705)

Earl Castleton of Sandbeck, co. York    [Great Britain, 1720]
  1st: James Saunderson (18 Jun 1720-23 May 1723)

Earl Cathcart    [United Kingdom, 1814]
  1st: William Schaw Cathcart (16 Jul 1814-16 Jun 1843)
  2nd: Charles Murray Cathcart (16 Jun 1843-16 Jul 1859)
  3rd: Alan Frederick Cathcart (16 Jul 1859-30 Oct 1905)
  4th: Alan Cathcart (30 Oct 1905-2 Sep 1911)
  5th: George Cathcart (2 Sep 1911-19 Nov 1927)
  6th: Alan Cathcart (19 Nov 1927-15 Jun 1999)
  7th: Charles Alan Andrew Cathcart (15 Jun 1999- )

Earl of Catherlough    [Ireland, 1763]
  1st: Robert Knight (14 May 1763-30 Mar 1772)

Earl of the County of Cavan    [Ireland, 1647]
  1st: Charles Lambart (1 Apr 1647-25 Jun 1660)
  2nd: Richard Lambart (25 Jun 1660-b May 1691)
  3rd: Charles Lambart (b May 1691-5 Dec 1702)
  4th: Richard Lambart (5 Dec 1702-8 Mar 1741)
  5th: Ford Lambart (10 Mar 1741-29 Sep 1772)
  6th: Richard Lambart (29 Sep 1772-2 Nov 1778)
  7th: Richard Ford William Lambart (2 Nov 1778-21 Nov 1837)
  8th: Frederick John William Lambart (21 Nov 1837-15 Dec 1887)
  9th: Frederick Edward Gould Lambart (16 Dec 1887-14 Jul 1900)
10th: Frederick Rudolph Lambart (14 Jul 1900-28 Aug 1946)
11th: Horace Edward Samuel Sneade Lambart (28 Aug 1946-9 Dec 1950)
12th: Michael Edward Oliver Lambart (9 Dec 1950-17 Nov 1988)
13th: Roger Cavan Lambart (17 Nov 1988- )

Earl Cave of Richmond    [United Kingdom, 1928]
  1st: Anne Estella Sarah Penfold Mathews (8 May 1928-7 Jan 1938) in lieu of the Earldom announced for her husband, which he did not live to receive

Earl Cawdor of Castlemartin, co. Pembroke    [United Kingdom, 1827]
  1st: John Frederick Campbell (5 Oct 1827-7 Nov 1860)
  2nd: John Frederick Vaughan Campbell (7 Nov 1860-29 Mar 1898)
  3rd: Frederick Archibald Vaughan Campbell (29 Mar 1898-8 Feb 1911)
  4th: Hugh Frederick Vaughan Campbell (8 Feb 1911-7 Jan 1914)
  5th: John Duncan Vaughan Campbell (7 Jan 1914-9 Jan 1970)
  6th: Hugh John Vaughan Campbell (9 Jan 1970-20 Jun 1993)
  7th: Colin Robert Vaughan Campbell (1993- )

Earl of Charlemont, co. Armagh    [Ireland, 1763]
  1st: James Caulfeild (23 Dec 1763-4 Aug 1799)
  2nd: Francis William Caulfeild (4 Aug 1799-26 Dec 1863)
  3rd: James Molyneux Caulfeild (26 Dec 1863-12 Jan 1892)

Earl of Charleville    [Ireland, 1806]
  1st: Charles William Bury (16 Feb 1806-31 Oct 1835)
  2nd: Charles William Bury (31 Oct 1835-14 Jul 1851)
  3rd: Charles William George Bury (14 Jul 1851-19 Jan 1859)
  4th: Charles William Francis Bury (19 Jan 1859-3 Nov 1874)
  5th: Alfred Bury (3 Nov 1874-26 Jun 1875)

Earl of Charleville, in King's County    [Ireland, 1758]
  1st: Charles Moore (16 Sep 1758-17 Feb 1764)

Earl of Chatham, co. Kent    [Great Britain, 1766]
  1st: William Pitt (4 Aug 1766-11 May 1778)
  2nd: John Pitt (11 May 1778-24 Sep 1835)

Earl of Chester    [England, 1071]
  1st: Hugh Avranches (1071-27 Jul 1101)
  2nd: Richard Avranches (27 Jul 1101-25 Nov 1120)
  3rd: Hugh Kevelioc (16 Dec 1153-30 Jun 1181)
  4th: Ranulf Blundeville (1181-c 27 Oct 1232)

Earl of Chester    [England, 1121]
  1st: Ranulph Meschin (1121-17 Jan 1129)
  2nd: Ranulph Gernon (c 1129-16 Dec 1153)

Earl of Chester    [England, 1232]
  1st: John Scot (21 Nov 1232-5 Jun 1237)

Earl of Chester    [England, 1254]
  1st: Edward I 'Longshanks' (14 Feb 1254-7 Jul 1307)

Earl of Chester    [England, 1264]
  1st: Simon Montfort (24 Dec 1264-4 Aug 1265) after capturing King Henry III and Edward 'Longshanks', and extorting the Earldom from them

Earl of Chester    [England, 1284]
  1st: Alfonso England (1284-19 Aug 1284)

Earl of Chester    [England, 1301]
  1st: Edward II (7 Feb 1301-21 Sep 1327)

Earl of Chester    [England, 1312]
  1st: Edward III (24 Nov 1312-21 Jun 1377)

Earl of Chester    [England, 1333]
  1st: Edward Woodstock (18 Mar 1333-8 Jun 1376)

Earl of Chester    [England, 1376]
  1st: Richard II (10 Nov 1376-6 Jan 1400)

Earl of Chester    [England, 1399]
  1st: Henry V Plantagenet (15 Oct 1399-31 Aug 1422)

Earl of Chester    [England, 1454]
  1st: Edward Plantagenet (15 Mar 1454-4 May 1471)

Earl of Chester    [England, 1471]
  1st: Edward V Plantagenet (25 Jun 1471-a Nov 1483)

Earl of Chester    [England, 1489]
  1st: Arthur Tudor (29 Nov 1489-2 Apr 1502)

Earl of Chester    [England, 1504]
  1st: Henry VIII Tudor (18 Feb 1504-28 Jan 1547)

Earl of Chester    [England, 1610]
  1st: Henry Frederick Stuart (4 Jun 1610-6 Nov 1612)

Earl of Chester    [England, 1616]
  1st: Charles I Stuart (4 Nov 1616-30 Jan 1649)

Earl of Chester    [Great Britain, 1714]
  1st: George II Augustus Hanover (27 Sep 1714-25 Oct 1760)

Earl of Chester    [Great Britain, 1729]
  1st: Frederick Louis Hanover (8 Jan 1729-20 Mar 1751)

Earl of Chester    [Great Britain, 1751]
  1st: George III Hanover (20 Apr 1751-29 Jan 1820)

Earl of Chester    [Great Britain, 1762]
  1st: George IV Hanover (17 Aug 1762-26 Jun 1830)

Earl of Chester    [United Kingdom, 1841]
  1st: Edward VII Saxe-Coburg and Gotha (8 Dec 1841-6 May 1910)

Earl of Chester    [United Kingdom, 1901]
  1st: George V Windsor (9 Nov 1901-20 Jan 1936)

Earl of Chester    [United Kingdom, 1958]
  1st: Charles Philip Arthur George Windsor (26 Jul 1958- )

Earl of Chesterfield    [England, 1660]
  1st: Catherine Wotton (29 May 1660-9 Apr 1667) suo jure, for life

Earl of Chesterfield, co. Derby    [England, 1628]
  1st: Philip Stanhope (4 Aug 1628-12 Sep 1656)
  2nd: Philip Stanhope (12 Sep 1656-28 Jan 1714)
  3rd: Philip Stanhope (28 Jan 1714-27 Jan 1726)
  4th: Philip Dormer Stanhope (9 Feb 1726-24 Mar 1773)
  5th: Philip Stanhope (24 Mar 1773-29 Aug 1815)
  6th: George Stanhope (29 Aug 1815-1 Jun 1866)
  7th: George Philip Cecil Arthur Stanhope (1 Jun 1866-1 Dec 1871)
  8th: George Philip Stanhope (7 Jul 1873-19 Oct 1883)
  9th: Henry Edwyn Chandos Scudamore-Stanhope (19 Oct 1883-21 Jan 1887)
10th: Edwyn Francis Scudamore-Stanhope (21 Jan 1887-24 Jan 1933)
11th: Henry Athole Scudamore-Stanhope (24 Jan 1933-2 Nov 1935)
12th: Edward Henry Scudamore-Stanhope (2 Nov 1935-2 Aug 1952)
13th: James Richard Stanhope (2 Aug 1952-15 Aug 1967)

Earl of Chichester    [England, 1675]
  1st: Charles Fitzroy (10 Sep 1675-9 Sep 1730)
  2nd: William Fitzroy (9 Sep 1730-18 May 1774)

Earl of Chichester    [United Kingdom, 1801]
  1st: Thomas Pelham (2 Jun 1801-8 Jan 1805)
  2nd: Thomas Pelham (8 Jan 1805-4 Jul 1826)
  3rd: Henry Thomas Pelham (4 Jul 1826-15 Mar 1886)
  4th: Walter John Pelham (16 Mar 1886-28 May 1902)
  5th: Francis Godolphin Pelham (28 May 1902-21 Apr 1905)
  6th: Jocelyn Brudenell Pelham (21 Apr 1905-14 Nov 1926)
  7th: Francis Godolphin Henry Pelham (14 Nov 1926-22 Nov 1926)
  8th: John Buxton Pelham (22 Nov 1926-21 Feb 1944)
  9th: John Nicholas Pelham (14 Apr 1944- )

Earl of Chichester, co. Sussex    [England, 1644]
  1st: Francis Leigh (3 Jun 1644-21 Dec 1653) with a special remainder to his son-in-law, Thomas, Earl of Southampton
  2nd: Thomas Wriothesley (21 Dec 1653-16 May 1667)

Earl of Cholmondeley, co. Chester    [England, 1706]
  1st: Hugh Cholmondeley (29 Dec 1706-18 Jan 1725) with a special remainder to his next surviving brother, George
  2nd: George Cholmondeley (18 Jan 1725-7 May 1733)
  3rd: George Cholmondeley (7 May 1733-10 Jun 1770)
  4th: George James Cholmondeley (10 Jun 1770-10 Apr 1827)
  5th: George Horatio Cholmondeley (10 Apr 1827-8 May 1870)
  6th: William Henry Hugh Cholmondeley (8 May 1870-16 Dec 1884)
  7th: George Henry Hugh Cholmondeley (16 Dec 1884-16 Mar 1923)
  8th: George Horatio Charles Cholmondeley (16 Mar 1923-16 Sep 1968)
  9th: George Hugh Cholmondeley (16 Sep 1968-13 Mar 1990)
10th: David George Philip Cholmondeley (13 Mar 1990- )

Earl of Clanbrassill, co. Armagh    [Ireland, 1647]
  1st: James Hamilton (7 Jun 1647-20 Jun 1659)
  2nd: Henry Hamilton (20 Jun 1659-12 Jan 1675)

Earl of Clanbrassill, co. Armagh    [Ireland, 1756]
  1st: James Hamilton (24 Nov 1756-17 Mar 1758)
  2nd: James Hamilton (17 Mar 1758-6 Feb 1798)

Earl of Clancare    [Ireland, 1565]
  1st: Donald MacCarthy (24 Jun 1565-1597)

Earl of Clancarty, co. Cork    [Ireland, 1658]
  1st: Donough MacCarty (27 Nov 1658-4 Aug 1665)
  2nd: Charles James MacCarty (4 Aug 1665-22 Sep 1666)
  3rd: Callaghan MacCarty (22 Sep 1666-21 Nov 1676)
  4th: Donogh MacCarty (21 Nov 1676-1 Oct 1734)

Earl Clancarty, co. Cork    [Ireland, 1803]
  1st: William Power Keating Trench (11 Feb 1803-27 Apr 1805)
  2nd: Richard Le Poer Trench (27 Apr 1805-24 Nov 1837)
  3rd: William Thomas Le Poer Trench (24 Nov 1837-26 Apr 1872)
  4th: Richard Somerset Le Poer Trench (26 Apr 1872-29 May 1891)
  5th: William Frederick Le Poer Trench (29 May 1891-16 Feb 1929)
  6th: Richard Frederick John Donough Le Poer Trench (16 Feb 1929-5 Jun 1971)
  7th: Greville Sydney Rochfort Le Poer Trench (5 Jun 1971-15 Sep 1975)
  8th: William Francis Brinsley Le Poer Trench (15 Sep 1975-18 May 1995)
  9th: Nicholas Power Richard Le Poer Trench (18 May 1995- )

Earl of Clanricarde    [Ireland, 1543]
  1st: Ulick Bourke (1 Jul 1543-19 Oct 1544)
  2nd: Richard Bourke (19 Oct 1544-24 Jul 1582)
  3rd: Ulick Bourke (24 Jul 1582-20 May 1601)
  4th: Richard Bourke (20 May 1601-12 Nov 1635)
  5th: Ulrick Bourke (12 Nov 1635-29 Apr 1658)
  6th: Richard Bourke (29 Apr 1658-Aug 1666)
  7th: William Bourke (Aug 1666-Oct 1687)
  8th: Richard Bourke (Oct 1687-2 Feb 1709)
  9th: John Bourke (a Nov 1702-17 Oct 1722)
10th: Michael Bourke (17 Oct 1722-29 Nov 1726)
11th: John Smith Burgh (29 Nov 1726-21 Apr 1782)
12th: Henry Burgh (21 Apr 1782-8 Dec 1797)
13th: John Thomas Burgh (8 Dec 1797-27 Jul 1808)
14th: Ulick John Burgh (27 Jul 1808-10 Apr 1874)
15th: Hubert George Burgh-Canning (10 Apr 1874-12 Apr 1916)

Earl of Clanricarde, co. Galway    [Ireland, 1800]
  1st: John Thomas Burgh (29 Dec 1800-27 Jul 1808) with special remainder to his daughters
  2nd: Ulick John Burgh (27 Jul 1808-10 Apr 1874)
  3rd: Hubert George Burgh-Canning (10 Apr 1874-12 Apr 1916)
  4th: George Ulick Browne (12 Apr 1916-26 Feb 1935)
  5th: Ulick de Burgh Browne (26 Feb 1935-7 Jan 1941)
  6th: Arthur Howe Browne (7 Jan 1941-28 May 1951)
  7th: Terence Morris Browne (28 May 1951-28 Jul 1952)
  8th: Denis Edward Browne (28 Jul 1952-11 Sep 1991)
  9th: Jeremy Ulick Browne (11 Sep 1991-13 Jul 2014)
10th: Sebastian Ulick Browne (13 Jul 2014- )

Earl of Clanwilliam    [Ireland, 1776]
  1st: John Meade (20 Jul 1776-19 Oct 1800)
  2nd: Richard Meade (19 Oct 1800-3 Sep 1805)
  3rd: Richard Charles Francis Christian Meade (3 Sep 1805-7 Oct 1879)
  4th: Richard James Meade (7 Oct 1879-4 Aug 1907)
  5th: Arthur Vesey Meade (4 Aug 1907-23 Jan 1953)
  6th: John Charles Edmund Carson Meade (23 Jan 1953-30 Mar 1989)
  7th: John Herbert Meade (30 Mar 1989-24 Dec 2009)
  8th: Patrick James Meade (24 Dec 2009- )

Earl of Clare    [Great Britain, 1714]
  1st: Thomas Pelham-Holles (19 Oct 1714-17 Nov 1768) with special remainder to his brother, Henry Pelham

Earl of Clare    [Ireland, 1795]
  1st: John FitzGibbon (12 Jun 1795-28 Jan 1802)
  2nd: John FitzGibbon (28 Jan 1802-18 Aug 1851)
  3rd: Richard Hobart FitzGibbon (18 Aug 1851-10 Jan 1864)

Earl of Clare, co. Suffolk    [England, 1624]
  1st: John Holles (2 Nov 1624-4 Oct 1637)
  2nd: John Holles (4 Oct 1637-2 Jan 1666)
  3rd: Gilbert Holles (2 Jan 1666-16 Jan 1689)
  4th: John Holles (16 Jan 1689-15 Jul 1711)

Earl of Clarence    [United Kingdom, 1881]
  1st: Leopold George Duncan Albert Saxe-Coburg and Gotha (24 May 1881-28 Mar 1884)
  2nd: Charles Edward George Albert Leopold Saxe-Coburg and Gotha (19 Jul 1884-6 Mar 1954)

Earl of Clarendon    [England, 1661]
  1st: Edward Hyde (20 Apr 1661-19 Dec 1674)
  2nd: Henry Hyde (19 Dec 1674-31 Oct 1709)
  3rd: Edward Hyde (31 Oct 1709-31 Mar 1723)
  4th: Henry Hyde (31 Mar 1723-10 Dec 1753)

Earl of Clarendon    [Great Britain, 1776]
  1st: Thomas Villiers (14 Jun 1776-11 Dec 1786)
  2nd: Thomas Villiers (11 Dec 1786-7 Mar 1824)
  3rd: John Charles Villiers (7 Mar 1824-22 Dec 1838)
  4th: George William Villiers (22 Dec 1838-27 Jun 1870)
  5th: Edward Hyde Villiers (27 Jun 1870-2 Oct 1914)
  6th: George Herbert Hyde Villiers (2 Oct 1914-13 Dec 1955)
  7th: George Frederick Laurence Hyde Villiers (13 Dec 1955-4 Jul 2009)
  8th: George Edward Laurence Villiers (4 Jul 2009- )

Earl of Clermont, co. Louth    [Ireland, 1777]
  1st: William Henry Fortescue (10 Feb 1777-30 Sep 1806)

Earl of Cleveland, co.York    [England, 1626]
  1st: Thomas Wentworth (5 Feb 1626-25 Mar 1667)

Earl Clinton    [Great Britain, 1746]
  1st: Hugh Fortescue (5 Jul 1746-2 May 1751)

Earl of Clonmell, co. Tipperary    [Ireland, 1793]
  1st: John Henry Scott (20 Dec 1793-23 May 1798)
  2nd: Thomas Scott (23 May 1798-18 Jan 1838)
  3rd: John Henry Scott (18 Jan 1838-7 Feb 1866)
  4th: John Henry Reginald Scott (7 Feb 1866-22 Jun 1891)
  5th: Thomas Charles Scott (22 Jun 1891-18 Jun 1896)
  6th: Beauchamp Henry John Scott (18 Jun 1896-1 Feb 1898)
  7th: Rupert Charles Scott (2 Feb 1898-18 Nov 1928)
  8th: Dudley Alexander Charles Scott (18 Nov 1928-16 Jan 1935)

Earl Compton of Compton, co. Warwick    [United Kingdom, 1812]
  1st: Charles Compton (7 Sep 1812-24 May 1828)
  2nd: Spencer Joshua Alwyne Compton (24 May 1828-17 Jan 1851)
  3rd: Charles Douglas-Compton (17 Jan 1851-3 Mar 1877)
  4th: William Compton (3 Mar 1877-11 Sep 1897)
  5th: William George Spencer Scott Compton (11 Sep 1897-15 Jun 1913)
  6th: William Bingham Compton (15 Jun 1913-30 Jan 1978)
  7th: Spencer Douglas David Compton (30 Jan 1978- )

Earl of Conway, co. Carnarvon    [England, 1679]
  1st: Edward Conway (3 Dec 1679-11 Aug 1683)

Earl Conyngham    [Ireland, 1797]
  1st: Henry Conyngham (27 Dec 1797-28 Dec 1832)
  2nd: Francis Nathaniel Conyngham (11 Oct 1861-17 Jul 1876)
  3rd: George Henry Conyngham (17 Jul 1876-2 Jun 1882)
  4th: Henry Francis Conyngham (2 Jun 1882-28 Aug 1897)
  5th: Victor George Henry Francis Conyngham (28 Aug 1897-9 Nov 1918)
  6th: Frederick William Burton Conyngham (9 Nov 1918-1 Apr 1974)
  7th: Frederick William Henry Francis Conyngham (1 Apr 1974-3 Mar 2009)
  8th: Henry Vivien Pierpont Conyngham (3 Mar 2009- )

Earl Conyngham of Mount Charles, co. Donegal    [Ireland, 1781]
  1st: Henry Conyngham (4 Jan 1781-3 Apr 1781)

Earl of Cork    [Ireland, 1395]
  1st: Edward York (b 15 Jan 1395-25 Oct 1415)

Earl of the County of Cork    [Ireland, 1620]
  1st: Richard Boyle (16 Oct 1620-15 Sep 1643)
  2nd: Richard Boyle (15 Sep 1643-15 Jan 1698)
  3rd: Charles Boyle (13 Jan 1698-9 Feb 1704)
  4th: Richard Boyle (9 Feb 1704-3 Dec 1753)
  5th: John Boyle (3 Dec 1753-23 Nov 1762)
  6th: Hamilton Boyle (23 Nov 1762-17 Jan 1764)
  7th: Edmund Boyle (17 Jan 1764-6 Oct 1798)
  8th: Edmund Boyle (6 Oct 1798-29 Jun 1856)
  9th: Richard Edmund St. Lawrence Boyle (29 Jun 1856-22 Jun 1904)
10th: Charles Spencer Boyle (22 Jun 1904-25 Mar 1925)
11th: Robert John Lascelles Boyle (25 Mar 1925-13 Oct 1934)
12th: William Henry Dudley Boyle (13 Oct 1934-19 Apr 1967)
13th: Patrick Reginald Boyle (19 Apr 1967-8 Aug 1995)
14th: John William Boyle (8 Aug 1995-14 Nov 2003)
15th: John Richard Boyle (14 Nov 2003- )

Earl of Cornwall    [England, 1227]
  1st: Richard (21 Aug 1227-2 Apr 1272)
  2nd: Edmund Cornwall (13 Oct 1272-24 Sep 1300)

Earl of Cornwallis    [Great Britain, 1753]
  1st: Charles Cornwallis (30 Jun 1753-23 Jun 1762)
  2nd: Charles Cornwallis (23 Jun 1762-5 Oct 1805)
  3rd: Charles Cornwallis (5 Oct 1805-9 Aug 1823)
  4th: James Cornwallis (9 Aug 1823-20 Jan 1824)
  5th: James Mann (20 Jan 1824-21 May 1852)

Earl of Cottenham    [United Kingdom, 1850]
  1st: Charles Christopher Pepys (11 Jun 1850-29 Apr 1851)
  2nd: Charles Edward Pepys (29 Apr 1851-18 Feb 1863)
  3rd: William John Pepys (18 Feb 1863-20 Jan 1881)
  4th: Kenelm Charles Edward Pepys (20 Jan 1881-22 Apr 1919)
  5th: Kenelm Charles Francis Pepys (22 Apr 1919-29 Dec 1922)
  6th: Mark Everard Pepys (29 Dec 1922-19 Jul 1943)
  7th: John Digby Thomas Pepys (19 Jul 1943-12 May 1968)
  8th: Kenelm Charles Everard Digby Pepys (12 May 1968-20 Oct 2000)

Earl of Courtown, co. Wexford    [Ireland, 1762]
  1st: James Stopford (12 Apr 1762-12 Jan 1770)
  2nd: James Stopford (8 Sep 1788-30 Mar 1810)
  3rd: James George Stopford (30 Mar 1810-15 Jun 1835)
  4th: James Thomas Stopford (15 Jun 1835-20 Nov 1858)
  5th: James George Henry Stopford (20 Nov 1858-28 Nov 1914)
  6th: James Walter Milles Stopford (28 Nov 1914-18 Jul 1933)
  7th: James Richard Neville Stopford (18 Jul 1933-25 Jan 1957)
  8th: James Montagu Burgoyne Stopford (25 Jan 1957-23 Jul 1975)
  9th: James Patrick Montagu Burgoyne Winthrop Stopford (23 Jul 1975- )

Earl of Coventry    [England, 1623]
  1st: George Villiers (18 May 1623-23 Aug 1628)
  2nd: George Villiers (23 Aug 1628-16 Apr 1687)

Earl of Coventry    [England, 1697]
  1st: Thomas Coventry (26 Apr 1697-15 Jul 1699) with a special remainder to his uncle Francis Coventry and then to three second cousins, William, Thomas and Henry Coventry
  2nd: Thomas Coventry (15 Jul 1699-Aug 1710)
  3rd: Thomas Coventry (Aug 1710-28 Jan 1712)
  4th: Gilbert Coventry (28 Jan 1712-27 Oct 1719)
  5th: William Coventry (27 Oct 1719-18 Mar 1751)
  6th: George William Coventry (18 Mar 1751-3 Sep 1809)
  7th: George William Coventry (3 Sep 1809-26 Mar 1831)
  8th: George William Coventry (26 Mar 1831-15 May 1843)
  9th: George William Coventry (15 May 1843-13 Mar 1930)
10th: George William Reginald Victor Coventry (13 Mar 1930-27 May 1940)
11th: George William Coventry (27 May 1940-14 Jun 2002)
12th: Francis Henry Coventry (14 Jun 2002-12 Mar 2004)
13th: George William Coventry (12 Mar 2004- )

Earl Cowley    [United Kingdom, 1857]
  1st: Henry Richard Charles Wellesley (11 Apr 1857-15 Jul 1884)
  2nd: William Henry Wellesley (15 Jul 1884-28 Feb 1895)
  3rd: Henry Arthur Mornington Wellesley (28 Feb 1895-15 Jan 1919)
  4th: Christian Arthur Wellesley (15 Jan 1919-29 Aug 1962)
  5th: Denis Arthur Wellesley (29 Aug 1962-23 Mar 1968)
  6th: Richard Francis Wellesley (23 Mar 1968-13 Dec 1975)
  7th: Garret Graham Wellesley (13 Dec 1975-17 Jun 2016)
  8th: Garret Graham Wellesley (17 Jun 2016- )

Earl Cowper    [Great Britain, 1718]
  1st: William Cowper (20 Mar 1718-10 Oct 1723) with a special remainder to his brother, Spencer
  2nd: William Clavering-Cowper (19 Oct 1723-18 Sep 1764)
  3rd: George Nassau Clavering-Cowper (18 Dec 1764-22 Dec 1789)
  4th: George Augustus Clavering-Cowper (22 Dec 1789-12 Feb 1799)
  5th: Peter Leopold Louis Francis Nassau Cowper (12 Feb 1799-21 Jun 1837)
  6th: George Augustus Frederick Cowper (27 Jun 1837-15 Apr 1856)
  7th: Francis Thomas de Grey Cowper (15 Apr 1856-18 Jul 1905)

Earl of Cranbrook    [United Kingdom, 1892]
  1st: Gathorne Gathorne-Hardy (22 Aug 1892-30 Oct 1906)
  2nd: John Stewart Gathorne-Hardy (30 Oct 1906-13 Jul 1911)
  3rd: Gathorne Gathorne-Hardy (13 Jul 1911-23 Dec 1915)
  4th: John David Gathorne-Hardy (23 Dec 1915-22 Nov 1978)
  5th: Gathorne Gathorne-Hardy (22 Nov 1978- )

Earl of Craven    [United Kingdom, 1801]
  1st: William Craven (18 Jun 1801-30 Jul 1825)
  2nd: William Craven (30 Jul 1825-25 Aug 1866)
  3rd: George Grimston Craven (25 Aug 1866-7 Dec 1883)
  4th: William George Robert Craven (7 Dec 1883-9 Jul 1921)
  5th: William George Bradley Craven (9 Jul 1921-15 Sep 1932)
  6th: William George Bradley Craven (15 Sep 1932-27 Jan 1965)
  7th: Thomas Robert Douglas Craven (27 Jan 1965-22 Oct 1983)
  8th: Simon George Craven (22 Oct 1983-30 Aug 1990)
  9th: Benjamin Robert Joseph Craven (30 Aug 1990- )

Earl of Craven, co. York    [England, 1665]
  1st: William Craven (16 Mar 1665-9 Apr 1697)

Earl of Crawford    [Scotland, 1398]
  1st: David Lindsay (bt 1398-1398-c Feb 1407)
  2nd: Alexander Lindsay (Feb 1407-a 31 Mar 1438)
  3rd: David Lindsay (1438-17 Jan 1446)
  4th: Alexander Lindsay (17 Jan 1446-Sep 1453)
  5th: David Lindsay (Sep 1453-25 Dec 1495)
  6th: John Lindsay (25 Dec 1495-9 Sep 1513)
  7th: Alexander Lindsay (9 Sep 1513-May 1517)
  8th: David Lindsay (May 1517-27 Nov 1542)
  9th: David Lindsay (27 Nov 1542-20 Sep 1558)
10th: David Lindsay (20 Sep 1558-b 1 Nov 1574)
11th: David Lindsay (c Nov 1574-22 Nov 1607)
12th: David Lindsay (Nov 1607-Jun 1620)
13th: Henry Lindsay (Jun 1620-1623)
14th: George Lindsay (1623-1633)
15th: Alexander Lindsay (1633-fr 1639-1639)
16th: Ludovic Lindsay (1639-c 7 Nov 1652)
17th: John Lindsay (26 Jul 1644-1678)
18th: William Lindsay (1678-6 Mar 1698)
19th: John Lindsay (6 Mar 1698-4 Jan 1714)
20th: John Lindsay (4 Jan 1714-25 Dec 1749)
21st: George Lindsay-Crawford (24 Dec 1749-11 Aug 1781)
22nd: George Lindsay-Crawford (11 Aug 1781-30 Jan 1808)
23rd: Alexander Lindsay (30 Jan 1808-27 Mar 1825) de jure, as the succession of the title was not confirmed by the House of Lords until after his death, in 1848
24th: James Lindsay (27 Mar 1825-15 Dec 1869)
25th: Alexander William Crawford Lindsay (15 Dec 1869-13 Dec 1880)
26th: James Ludovic Lindsay (13 Dec 1880-31 Jan 1913)
27th: David Alexander Edward Lindsay (31 Jan 1913-8 Mar 1940)
28th: David Alexander Robert Lindsay (8 Mar 1940-13 Dec 1975)
29th: Robert Alexander Lindsay (13 Dec 1975- )

Earl of Crewe, co. Palatine of Chester    [United Kingdom, 1895]
  1st: Robert Offley Ashburton Crewe-Milnes (17 Jul 1895-20 Jun 1945)

Earl of Cromartie    [United Kingdom, 1861]
  1st: Anne Hay-Mackenzie (21 Oct 1861-25 Nov 1888) with special remainder to her 2nd son Francis and his heirs
  2nd: Francis Mackenzie Sutherland-Leveson-Gower (25 Nov 1888-24 Nov 1893)
  3rd: Sibell Lilian Sutherland-Leveson-Gower (25 Feb 1895-20 May 1962) suo jure
  4th: Roderick Grant Francis Mackenzie (20 May 1962-13 Dec 1989)
  5th: John Ruaridh Grant Mackenzie (13 Dec 1989- )

Earl of Cromarty    [Scotland, 1703]
  1st: George Mackenzie (1 Jan 1703-27 Aug 1714)
  2nd: John Mackenzie (17 Aug 1714-20 Feb 1731)
  3rd: George Mackenzie (20 Feb 1731-28 Sep 1766)

Earl of Cromer    [United Kingdom, 1901]
  1st: Evelyn Baring (8 Aug 1901-29 Jan 1917)
  2nd: Rowland Thomas Baring (29 Jan 1917-13 May 1953)
  3rd: George Rowland Stanley Baring (13 May 1953-16 Mar 1991)
  4th: Evelyn Rowland Esmond Baring (1991- )

Earl of Cumberland    [England, 1525]
  1st: Henry Clifford (18 Jun 1525-22 Sep 1542)
  2nd: Henry Clifford (22 Apr 1542-2 Jan 1570)
  3rd: George Clifford (2 Jan 1570-29 Oct 1605)
  4th: Francis Clifford (29 Oct 1605-21 Jan 1641)
  5th: Henry Clifford (21 Jan 1641-11 Dec 1643)

Earl Curzon of Kedleston, co. Derby    [United Kingdom, 1911]
  1st: George Nathaniel Curzon (2 Nov 1911-20 Mar 1925)

Earl of Dalhousie, co. Midlothian    [Scotland, 1633]
  1st: William Ramsay (29 Jun 1633-Nov 1672)
  2nd: George Ramsay (Nov 1672-11 Feb 1674)
  3rd: William Ramsay (c May 1674-a 28 Feb 1682)
  4th: George Ramsay (a Feb 1682-1696)
  5th: William Ramsay (1696-Oct 1710)
  6th: William Ramsay (Oct 1710-8 Dec 1739)
  7th: Charles Ramsay (8 Dec 1739-24 Jan 1764)
  8th: George Ramsay (29 Jan 1764-15 Nov 1787)
  9th: George Ramsay (4 Nov 1787-21 Mar 1838)
10th: James Andrew Ramsay (21 Mar 1838-22 Dec 1860)
11th: Fox Maule-Ramsay (22 Dec 1860-6 Jul 1874)
12th: George Ramsay (6 Jul 1874-20 Jul 1880)
13th: John William Ramsay (20 Jul 1880-25 Nov 1887)
14th: Arthur George Maule Ramsay (25 Nov 1887-23 Dec 1928)
15th: John Gilbert Ramsay (23 Dec 1928-3 May 1950)
16th: Simon Ramsay (3 May 1950-15 Jul 1999)
17th: James Hubert Ramsay (15 Jul 1999- )

Earl of Dalkeith    [Scotland, 1663]
  1st: James Scott (20 Apr 1663-15 Jul 1685)
  2nd: Francis Scott (6 Feb 1732-22 Apr 1751)
  3rd: Henry Scott (22 Apr 1751-11 Jan 1812)
  4th: Charles William Henry Montagu-Scott (11 Jan 1812-20 Apr 1819)
  5th: Walter Francis Montagu Douglas Scott (20 Apr 1819-16 Apr 1884)
  6th: William Henry Walter Montagu Douglas Scott (16 Apr 1884-5 Nov 1914)
  7th: John Charles Montagu Douglas Scott (5 Nov 1914-19 Oct 1935)
  8th: Walter John Montagu Douglas Scott (19 Oct 1935-4 Oct 1973)
  9th: Walter Francis John Montagu Douglas Scott (4 Oct 1973-4 Sep 2007)
10th: Richard Walter John Montagu Douglas Scott (4 Sep 2007- )

Earl of Danby    [England, 1626]
  1st: Henry Danvers (5 Feb 1626-20 Jan 1644)

Earl of Danby, co. York    [England, 1674]
  1st: Thomas Osborne (27 Jun 1674-26 Jul 1712)
  2nd: Peregrine Osborne (26 Jul 1712-25 Jun 1729)
  3rd: Peregrine Hyde Osborne (25 Jun 1729-9 May 1731)
  4th: Thomas Osborne (25 Jun 1729-23 Mar 1789)
  5th: Francis Godolphin Osborne (23 Mar 1789-31 Jan 1799)
  6th: George William Frederick Osborne (31 Jan 1799-10 Jul 1838)
  7th: Francis Godolphin Darcy-Osborne (10 Jul 1838-12 May 1859)
  8th: George Godolphin Osborne (4 May 1859-8 Aug 1872)
  9th: George Godolphin Osborne (8 Aug 1872-23 Dec 1895)
10th: George Godolphin Osborne (23 Dec 1895-10 May 1927)
11th: John Francis Godophin Osborne (10 May 1927-26 Jul 1963)
12th: Francis D'Arcy Godolphin Osborne (Jul 1963-20 Mar 1964)

Earl of Darlington, co. Durham    [Great Britain, 1754]
  1st: Henry Vane (3 Apr 1754-6 Mar 1758)
  2nd: Henry Vane (6 Mar 1758-8 Sep 1792)
  3rd: William Henry Vane (8 Sep 1792-29 Jan 1842)
  4th: Henry Vane (29 Jan 1842-18 Jan 1864)
  5th: William John Frederick Vane (18 Jan 1864-6 Sep 1864)
  6th: Harry George Powlett (6 Sep 1864-21 Aug 1891)

Earl of Darnley    [Scotland, 1675]
  1st: Charles Lennox (9 Sep 1675-27 May 1723)
  2nd: Charles Lennox (27 May 1723-8 Aug 1750)
  3rd: Charles Lennox (8 Aug 1750-29 Dec 1806)
  4th: Charles Lennox (29 Dec 1806-28 Aug 1819)
  5th: Charles Gordon-Lennox (28 Aug 1819-21 Oct 1860)
  6th: Charles Henry Gordon-Lennox (21 Oct 1860-27 Sep 1903)
  7th: Charles Henry Gordon-Lennox (27 Sep 1903-18 Jan 1928)
  8th: Charles Henry Gordon-Lennox (18 Jan 1928-7 May 1935)
  9th: Frederick Charles Gordon-Lennox (7 May 1935-2 Nov 1989)
10th: Charles Henry Gordon-Lennox (1989-1 Sep 2017)
11th: Charles Henry Gordon-Lennox (1 Sep 2017- )

Earl of Darnley, co. Meath    [Ireland, 1725]
  1st: John Bligh (29 Jun 1725-12 Sep 1728)
  2nd: Edward Bligh (12 Sep 1728-22 Jul 1747)
  3rd: John Bligh (22 Jul 1747-31 Jul 1781)
  4th: John Bligh (31 Jul 1781-17 Mar 1831)
  5th: Edward Bligh (17 Mar 1831-12 Feb 1835)
  6th: John Stuart Bligh (12 Feb 1835-14 Dec 1896)
  7th: Edward Henry Stuart Bligh (14 Dec 1896-31 Oct 1900)
  8th: Ivo Francis Walter Bligh (31 Oct 1900-10 Apr 1927)
  9th: Esme Ivo Bligh (10 Apr 1927-29 May 1955)
10th: Peter Stuart Bligh (29 May 1955-15 Jun 1980)
11th: Adam Ivo Stuart Bligh (15 Jun 1980-18 Jun 2017)
12th: Ivo Donald Bligh (18 Jun 2017- )

Earl of Dartmouth    [Great Britain, 1711]
  1st: William Legge (5 Sep 1711-15 Dec 1750)
  2nd: William Legge (15 Dec 1750-15 Jul 1801)
  3rd: George Legge (15 Jul 1801-10 Nov 1810)
  4th: William Legge (10 Nov 1810-22 Nov 1853)
  5th: William Walter Legge (22 Nov 1853-4 Aug 1891)
  6th: William Heneage Legge (4 Aug 1891-11 Mar 1936)
  7th: William Legge (11 Mar 1936-28 Feb 1958)
  8th: Humphrey Legge (28 Feb 1958-16 Oct 1962)
  9th: Gerald Humphrey Legge (16 Oct 1962-14 Dec 1997)
10th: William Legge (14 Dec 1997- )

Earl of Dartrey    [United Kingdom, 1866]
  1st: Richard Dawson (12 Jul 1866-12 May 1897)
  2nd: Vesey Dawson (12 May 1897-14 Jun 1920)
  3rd: Anthony Lucius Dawson (14 Jun 1920-9 Feb 1933)

Earl De La Warr    [Great Britain, 1761]
  1st: John West (18 Mar 1761-16 Mar 1766)
  2nd: John West (16 Mar 1766-22 Nov 1777)
  3rd: William Augustus West (22 Nov 1777-Jan 1783)
  4th: John Richard West (Jan 1783-28 Jul 1795)
  5th: George John Sackville-West (28 Jul 1795-23 Feb 1869)
  6th: Charles Richard Sackville-West (23 Feb 1869-23 Apr 1873)
  7th: Reginald Windsor Sackville (23 Apr 1873-5 Jan 1896)
  8th: Gilbert George Reginald Sackville (5 Jan 1896-16 Dec 1915)
  9th: Herbrand Edward Dundonald Brassey Sackville (16 Dec 1915-28 Jan 1976)
10th: William Herbrand Sackville (28 Jan 1976-9 Feb 1988)
11th: William Herbrand Sackville (9 Feb 1988- )

Earl of Delorain    [Scotland, 1706]
  1st: Henry Scott (29 Mar 1706-25 Dec 1730)
  2nd: Francis Scott (25 Dec 1730-11 May 1739)
  3rd: Henry Scott (11 May 1739-31 Jan 1740)
  4th: Henry Scott (31 Jan 1740-10 Sep 1807)

Earl of Denbigh    [England, 1622]
  1st: William Feilding (14 Sep 1622-8 Apr 1643)
  2nd: Basil Feilding (8 Apr 1643-28 Nov 1675)
  3rd: William Feilding (28 Nov 1675-23 Aug 1685)
  4th: Basil Feilding (23 Aug 1685-18 Mar 1717)
  5th: William Feilding (18 Mar 1717-2 Aug 1755)
  6th: Basil Feilding (2 Aug 1755-14 Jul 1800)
  7th: William Basil Percy Feilding (14 Jul 1800-25 Jun 1865)
  8th: Rudolph William Basil Feilding (25 Jun 1865-10 Mar 1892)
  9th: Rudolph Robert Basil Aloysius Augustine Feilding (10 Mar 1892-25 Nov 1939)
10th: William Rudolph Stephen Feilding (25 Nov 1939-31 Dec 1966)
11th: William Rudolph Michael Feilding (31 Dec 1966-23 Mar 1995)
12th: Alexander Steven Rudolph Feilding (23 Mar 1995- )

Earl of Derby    [England, 1485]
  1st: Thomas Stanley (27 Oct 1485-29 Jul 1504)
  2nd: Thomas Stanley (29 Jul 1504-23 May 1521)
  3rd: Edward Stanley (23 May 1521-24 Oct 1572)
  4th: Henry Stanley (24 Oct 1572-25 Sep 1593)
  5th: Ferdinando Stanley (25 Sep 1593-16 Apr 1594)
  6th: William Stanley (16 Apr 1594-29 Sep 1642)
  7th: James Stanley (29 Sep 1642-15 Oct 1651)
  8th: Charles Stanley (15 Oct 1651-21 Dec 1672)
  9th: William George Richard Stanley (21 Dec 1672-5 Nov 1702)
10th: James Stanley (5 Nov 1702-1 Feb 1736)
11th: Edward Stanley (1 Feb 1736-22 Feb 1776)
12th: Edward Smith-Stanley (22 Feb 1776-21 Oct 1834)
13th: Edward Smith-Stanley (21 Oct 1834-30 Jun 1851)
14th: Edward Geoffrey Smith-Stanley (30 Jun 1851-23 Oct 1869)
15th: Edward Henry Stanley (23 Oct 1869-21 Apr 1893)
16th: Frederick Arthur Stanley (21 Apr 1893-14 Jun 1908)
17th: Edward George Villiers Stanley (14 Jul 1908-4 Feb 1948)
18th: Edward John Stanley (4 Feb 1948-28 Nov 1994)
19th: Edward Richard William Stanley (28 Nov 1994- )

Earl Desart    [Ireland, 1793]
  1st: Otway Cuffe (20 Dec 1793-9 Aug 1804)
  2nd: John Otway Cuffe (9 Aug 1804-22 Nov 1820)
  3rd: Otway O'Conner Cuffe (22 Nov 1820-1 Apr 1865)
  4th: William Ulick O'Connor Cuffe (1 Apr 1865-15 Sep 1898)
  5th: Hamilton John Agmondesham Cuffe (15 Sep 1898-4 Nov 1934)

Earl of Desmond    [Ireland, 1619]
  1st: Richard Preston (24 Jul 1619-28 Oct 1628)

Earl of Desmond    [Ireland, 1622]
  1st: Richard Preston (7 Nov 1622-28 Oct 1628) with special remainder in reversion to his prospective son-in-law, George Feilding

Earl of Desmond, co. Kerry    [Ireland, 1622]
  1st: George Feilding (7 Nov 1622-31 Jan 1665) This title had a reversion on the death of Richard Preston, Earl of Desmond, which occurred on 28 October 1628 The title was created thus in contemplation of his marriage to Elizabeth Pres
  2nd: William Feilding (31 Jan 1665-23 Aug 1685)
  3rd: Basil Feilding (23 Aug 1685-18 Mar 1717)
  4th: William Feilding (18 Mar 1717-2 Aug 1755)
  5th: Basil Feilding (2 Aug 1755-14 Jul 1800)
  6th: William Basil Percy Feilding (14 Jul 1800-25 Jun 1865)
  7th: Rudolph William Basil Feilding (25 Jun 1865-10 Mar 1892)
  8th: Rudolph Robert Basil Aloysius Augustine Feilding (10 Mar 1892-25 Nov 1939)
  9th: William Rudolph Stephen Feilding (25 Nov 1939-31 Dec 1966)
10th: William Rudolph Michael Feilding (31 Dec 1966-23 Mar 1995)
11th: Alexander Steven Rudolph Feilding (23 Mar 1995- )

Earl of Devon    [England, 1335]
  1st: Hugh Courtenay (22 Feb 1335-23 Dec 1340)
  2nd: Hugh Courtenay (23 Dec 1340-2 May 1377)
  3rd: Edward Courtenay (2 May 1377-5 Dec 1419)
  4th: Hugh Courtenay (5 Dec 1419-16 Jun 1422)
  5th: Thomas Courtenay (16 Jun 1422-3 Feb 1458)
  6th: Thomas Courtenay (3 Feb 1458-3 Apr 1461)
  7th: John Courtenay (9 Oct 1470-4 May 1471) when his honours were restored by King Henry VI

Earl of Devon    [England, 1485]
  1st: Edward Courtenay (26 Oct 1485-28 May 1509)

Earl of Devon    [England, 1511]
  1st: William Courtenay (9 May 1511-9 Jun 1511)
  2nd: Henry Courtenay (9 Jun 1511-9 Jan 1539)

Earl of Devon    [England, 1553]
  1st: Edward Courtenay (3 Sep 1553-18 Sep 1556)
  2nd: William Courtenay (18 Sep 1556-c 18 Aug 1557) de jure
  3rd: William Courtenay (c Aug 1557-24 Jun 1630) de jure
  5th: William Courtenay (3 Jun 1638-4 Aug 1702) de jure
  6th: William Courtenay (4 Aug 1702-10 Oct 1735) de jure
  7th: William Courtenay (10 Oct 1735-16 May 1762) de jure
  8th: William Courtenay (16 May 1762-14 Oct 1788) de jure
  9th: William Courtenay (15 Mar 1831-26 May 1835) after the House of Lords declared his right to the Earldom
10th: William Courtenay (26 May 1835-19 Mar 1859)
11th: William Reginald Courtenay (19 Mar 1859-18 Nov 1888)
12th: Edward Baldwin Courtenay (18 Nov 1888-15 Jan 1891)
13th: Henry Hugh Courtenay (15 Jan 1891-29 Jan 1904)
14th: Charles Pepys Courtenay (29 Jan 1904-4 Feb 1927)
15th: Henry Hugh Courtenay (4 Feb 1927-8 Feb 1935)
16th: Frederick Leslie Courtenay (8 Feb 1935-10 Jun 1935)
17th: Charles Christopher Courtenay (19 Jun 1935-19 Nov 1998)
18th: Hugh Rupert Courtenay (19 Nov 1998-18 Aug 2015)
19th: Charles Peregrine Courtenay (18 Aug 2015- )

Earl of Devonshire    [England, 1618]
  1st: William Cavendish (7 Aug 1618-3 Mar 1626)
  2nd: William Cavendish (3 Mar 1626-20 Jun 1628)
  3rd: William Cavendish (20 Jun 1628-23 Nov 1684)
  4th: William Cavendish (23 Nov 1684-18 Aug 1707)
  5th: William Cavendish (18 Aug 1707-4 Jun 1729)
  6th: William Cavendish (4 Jun 1729-5 Dec 1755)
  7th: William Cavendish (5 Dec 1755-2 Oct 1764)
  8th: William Cavendish (2 Oct 1764-29 Jul 1811)
  9th: William George Spencer Cavendish (29 Jul 1811-18 Jan 1858)
10th: William Cavendish (18 Jan 1858-21 Dec 1891)
11th: Spencer Compton Cavendish (21 Dec 1891-24 Mar 1908)
12th: Victor Christian William Cavendish (24 Mar 1908-6 May 1938)
13th: Edward William Spencer Cavendish (6 May 1938-26 Nov 1950)
14th: Andrew Robert Buxton Cavendish (26 Nov 1950-3 May 2004)
15th: Peregrine Andrew Morny Cavendish (3 May 2004- )

Earl Digby, co. Lincoln    [Great Britain, 1790]
  1st: Henry Digby (1 Nov 1790-25 Sep 1793)
  2nd: Edward Digby (25 Sep 1793-12 May 1856)

Earl of Doncaster, co. York    [England, 1663]
  1st: James Scott (14 Feb 1663-15 Jul 1685)
  2nd: Francis Scott (22 Mar 1743-22 Apr 1751) restored by an Act of Parliament
  3rd: Henry Scott (22 Apr 1751-11 Jan 1812)
  4th: Charles William Henry Montagu-Scott (11 Jan 1812-20 Apr 1819)
  5th: Walter Francis Montagu Douglas Scott (20 Apr 1819-16 Apr 1884)
  6th: William Henry Walter Montagu Douglas Scott (16 Apr 1884-5 Nov 1914)
  7th: John Charles Montagu Douglas Scott (5 Nov 1914-19 Oct 1935)
  8th: Walter John Montagu Douglas Scott (19 Oct 1935-4 Oct 1973)
  9th: Walter Francis John Montagu Douglas Scott (4 Oct 1973-4 Sep 2007)
10th: Richard Walter John Montagu Douglas Scott (4 Sep 2007- )

Earl of Donegall    [Ireland, 1647]
  1st: Arthur Chichester (30 Mar 1647-18 Mar 1675) with a special remainder to his father's male descendants
  2nd: Arthur Chichester (18 Mar 1675-26 Oct 1678)
  3rd: Arthur Chichester (26 Oct 1678-20 Apr 1706)
  4th: Arthur Chichester (10 Apr 1706-30 Sep 1757)
  5th: Arthur Chichester (30 Sep 1757-5 Jan 1799)
  6th: George Augustus Chichester (5 Jan 1799-5 Oct 1844)
  7th: George Hamilton Chichester (5 Oct 1844-20 Oct 1883)
  8th: Edward Chichester (20 Oct 1883-20 Jan 1889)
  9th: George Augustus Chichester (20 Jan 1889-13 May 1904)
10th: Edward Arthur Donald St. George Chichester (13 May 1904-24 May 1975)
11th: Dermot Richard Claud Chichester (24 May 1975-19 Apr 2007)
12th: Arthur Patrick Chichester (19 Apr 2007- )

Earl of Donoughmore of Knocklofty    [Ireland, 1800]
  1st: Richard Hely Hely Hutchinson (31 Dec 1800-22 Aug 1825) with a special remainder to his mother's male descendants
  2nd: John Hely Hutchinson (22 Aug 1825-29 Jun 1832)
  3rd: John Hely Hutchinson (29 Jun 1832-14 Sep 1851)
  4th: Richard John Hely Hutchinson (14 Sep 1851-22 Feb 1866)
  5th: John Luke George Hely Hutchinson (22 Feb 1866-5 Dec 1900)
  6th: Richard Walter John Hely Hutchinson (5 Dec 1900-19 Oct 1948)
  7th: John Michael Henry Hely Hutchinson (19 Oct 1948-1981)
  8th: Richard Michael John Hely Hutchinson (1981- )

Earl of Dorchester    [Great Britain, 1792]
  1st: Joseph Damer (18 May 1792-12 Jan 1798)
  2nd: George Damer (12 Jan 1798-7 Mar 1808)

Earl of Dorset    [England, 1442]
  1st: Edmund Beaufort (28 Aug 1442-22 May 1455)

Earl of Dorset    [England, 1604]
  1st: Thomas Sackville (13 Mar 1604-19 Apr 1608)
  2nd: Robert Sackville (19 Apr 1608-27 Feb 1609)
  3rd: Richard Sackville (27 Feb 1609-28 Mar 1624)
  4th: Edward Sackville (28 Mar 1624-18 Jul 1652)
  5th: Richard Sackville (18 Jul 1652-27 Aug 1677)
  6th: Charles Sackville (27 Aug 1677-29 Jan 1706)
  7th: Lionel Cranfield Sackville (29 Jan 1706-10 Oct 1765)
  8th: Charles Sackville (10 Oct 1765-6 Jan 1769)
  9th: John Frederick Sackville (6 Jan 1769-19 Jul 1799)
10th: George John Frederick Sackville (19 Jul 1799-14 Feb 1815)
11th: Charles Sackville (14 Feb 1815-29 Jul 1843)

Earl of Dorset    [England, 1675]
  2nd: Lionel Cranfield Sackville (29 Jan 1706-10 Oct 1765)

Earl of Douglas    [Scotland, 1358]
  1st: William Douglas (26 Jan 1358-May 1384)
  2nd: James Douglas (May 1384-c 14 Aug 1388)
  3rd: Archibald Douglas (14 Aug 1388-fr 1400-1401)
  4th: Archibald Douglas (c 24 Dec 1400-17 Aug 1424)
  5th: Archibald Douglas (17 Aug 1424-26 Jun 1439)
  6th: William Douglas (26 Jun 1439-24 Nov 1440)
  7th: James Douglas (24 Nov 1440-24 Mar 1443)
  8th: William Douglas (24 Mar 1443-22 Feb 1452)
  9th: James Douglas (22 Feb 1452-a 22 May 1491)

Earl of Dover, co. Kent    [England, 1628]
  1st: Henry Carey (8 Mar 1628-Apr 1666)
  2nd: John Carey (Apr 1666-26 May 1677)

Earl of Drogheda    [Ireland, 1661]
  1st: Henry Moore (14 Jun 1661-12 Jan 1676)
  2nd: Charles Moore (11 Jan 1675-18 Jun 1679)
  3rd: Henry Hamilton-Moore (18 Jun 1679-7 Jun 1714)
  4th: Henry Moore (7 Jun 1714-28 May 1727)
  5th: Edward Moore (28 May 1727-28 Oct 1758)
  6th: Charles Moore (28 Oct 1758-22 Dec 1822)
  7th: Edward Moore (22 Dec 1822-6 Feb 1837)
  8th: Henry Francis Seymour Moore (6 Feb 1837-29 Jun 1892)
  9th: Ponsonby William Moore (29 Jun 1892-28 Oct 1908)
10th: Henry Charles Ponsonby Moore (28 Oct 1908-22 Nov 1957)
11th: Charles Garrett Ponsonby Moore (22 Nov 1957-1989)
12th: Henry Dermot Ponsonby Moore (1989- )

Earl of Drumlanrig    [Scotland, 1681]
  5th: William Douglas (22 Oct 1778-23 Dec 1810)
  6th: Charles Douglas (23 Dec 1810-3 Dec 1837)

Earl of Drumlanrig and Sanchar    [Scotland, 1681]
  2nd: James Douglas (28 Mar 1695-6 Jul 1711)
  3rd: James Douglas (6 Jul 1711-c 14 Feb 1715)
  4th: Charles Douglas (c 14 Feb 1715-22 Oct 1778)
  7th: John Douglas (3 Dec 1837-19 Dec 1856)
  8th: Archibald William Douglas (19 Dec 1856-6 Aug 1858)
  9th: John Sholto Douglas (6 Aug 1858-31 Jan 1900)
10th: Percy Sholto Douglas (31 Jan 1900-1 Aug 1920)
11th: Francis Archibald Kelhead Douglas (1 Aug 1920-27 Apr 1954)
12th: David Harrington Angus Douglas (27 Apr 1954- )

Earl of Drumlanrig and Sanchar    [Scotland, 1682]
  1st: William Douglas (11 Feb 1682-28 Mar 1695)

Earl of Drumlanrig and Sanquhar    [Scotland, 1684]
  5th: Henry Scott (23 Dec 1810-11 Jan 1812)

Earl of Dublin    [Ireland, 1799]
  1st: Edward Augustus Hanover (24 Apr 1799-23 Jan 1820)

Earl of Dublin    [United Kingdom, 1850]
  1st: Edward VII Saxe-Coburg and Gotha (17 Jan 1850-6 May 1910)

Earl of Ducie    [United Kingdom, 1837]
  1st: Thomas Reynolds-Moreton (28 Jan 1837-22 Jun 1840)
  2nd: Henry George Francis Reynolds-Moreton (22 Jun 1840-2 Jun 1853)
  3rd: Henry John Reynolds-Moreton (2 Jun 1853-28 Oct 1921)
  4th: Berkeley Basil Moreton (28 Oct 1921-7 Aug 1924)
  5th: Capel Henry Berkeley Reynolds Moreton (7 Aug 1924-17 Jun 1952)
  6th: Basil Howard Moreton (17 Jun 1952-12 Nov 1991)
  7th: David Leslie Moreton (12 Nov 1991- )

Earl of Dudley, of Dudley Castle, co. Stafford    [United Kingdom, 1860]
  1st: William Ward (17 Feb 1860-7 May 1885)
  2nd: William Humble Ward (7 May 1885-29 Jun 1932)
  3rd: William Humble Eric Ward (29 Jun 1932-26 Dec 1969)
  4th: William Humble David Ward (26 Dec 1969-16 Nov 2013)
  5th: William Humble David Jeremy Ward (16 Nov 2013- )

Earl of Dudley of Dudley Castle    [United Kingdom, 1827]
  1st: John William Ward (5 Oct 1827-6 Mar 1833)

Earl of Dufferin, co. Down    [United Kingdom, 1871]
  1st: Frederick Temple Hamilton-Temple-Blackwood (13 Nov 1871-12 Feb 1902)
  2nd: Terence John Temple Hamilton-Temple-Blackwood (12 Feb 1902-11 Feb 1919)
  3rd: Frederick Temple Hamilton-Temple-Blackwood (7 Feb 1918-21 Jul 1930)
  4th: Basil Sheridan Hamilton-Temple-Blackwood (21 Jul 1930-25 Mar 1945)
  5th: Sheriden Frederick Terence Hamilton-Temple-Blackwood (25 Mar 1945-1988)

Earl of Dumfries    [Scotland, 1633]
  1st: William Crichton (12 Jun 1633-fr 1642-1643) with a special remainder to his male heirs bearing the name Crichton
  2nd: William Crichton (c 1643-1691)
  3rd: William Crichton (1691-28 Feb 1694)
  4th: Penelope Crichton (28 Feb 1694-6 Mar 1742)
  5th: William Dalrymple-Crichton (6 Mar 1742-27 Jul 1768)
  6th: Patrick MacDowall-Crichton (27 Jul 1768-7 Apr 1803)
  7th: John Crichton-Stuart (16 Nov 1814-18 Mar 1848)
  8th: John Patrick Crichton-Stuart (18 Mar 1848-9 Oct 1900)
  9th: John Crichton-Stuart (9 Oct 1900-25 Apr 1947)
10th: John Crichton-Stuart (25 Apr 1947-14 Aug 1956)
11th: John Crichton-Stuart (14 Aug 1956-22 Jul 1993)
12th: John Colum Crichton-Stuart (22 Jul 1993- )

Earl of Dunbar    [Scotland, 1115]
  1st: Gospatric Dunbar (c 1115-22 Aug 1138)
  2nd: Gospatric Dunbar (23 Aug 1138-bt 1156-1166)
  3rd: Waltheof Dunbar (c 1166-1182)
  4th: Patrick Dunbar (1182-31 Dec 1232)
  5th: Patrick Dunbar (31 Dec 1232-bt 1248-1248)
  6th: Patrick Dunbar (1248-24 Aug 1289)
  7th: Patrick Dunbar (24 Aug 1289-10 Oct 1308)
  8th: Patrick Dunbar (10 Oct 1308-11 Nov 1368)
  9th: George Dunbar (25 Jul 1368-bt 1416-1420)
10th: George Dunbar (c 1420-bt 1455-1457)

Earl of Dunbar    [Scotland, 1605]
  1st: George Home (3 Jul 1605-20 Jan 1611) with remainder to heirs male whatsoever
  2nd: John Home ( -a 23 Aug 1628) de jure

Earl of Dunbarton    [Scotland, 1675]
  1st: George Douglas (9 Mar 1675-20 Mar 1692)

Earl of Dundee    [Scotland, 1660]
  1st: John Scrymgeour (Sep 1660-23 Jun 1668) with special remainder to heirs male whatsoever
  2nd: John Scrymgeour (23 Jun 1668-1698) de jure
  3rd: James Scrymgeour (1698- ) de jure
  4th: Alexander Scrymgeour de jure
  5th: David Scrymgeour de jure
  6th: Alexander Scrymgeour-Wedderburn ( -1811) de jure
  7th: Henry Scrymgeour-Wedderburn (1811-30 Dec 1841) de jure
  8th: Frederick Lewis Scrymgeour-Wedderburn (30 Dec 1841-16 Aug 1874) de jure
  9th: Henry Scrymgeour-Wedderburn (16 Aug 1874-1 Feb 1914) de jure
10th: Henry Scrymgeour-Wedderburn (1 Feb 1914-12 May 1924) de jure
11th: Henry James Scrymgeour (31 Jul 1952-29 Jun 1983) after his claim was accepted by the Committe for Privileges, House of Lords
12th: Alexander Henry Scrymgeour (29 Jun 1983- )

Earl of Dundonald    [Scotland, 1669]
  1st: William Cochrane (12 May 1669-1685) with special remainder to his heirs female of his body, and their heirs male who bear or assume the name and arms of Cochrane
  2nd: John Cochrane (1685-16 May 1690)
  3rd: William Cochrane (17 May 1690-22 Nov 1705)
  4th: John Campbell Cochrane (22 Nov 1705-5 Jun 1720)
  5th: William Cochrane (5 Jun 1720-27 Jan 1725)
  6th: Thomas Cochrane (27 Jan 1725-29 May 1737)
  7th: William Cochrane (28 May 1737-9 Jul 1758)
  8th: Thomas Cochrane (9 Jul 1758-27 Jun 1778)
  9th: Archibald Cochrane (27 Jun 1778-1 Jul 1831)
10th: Thomas Cochrane (1 Jul 1831-31 Oct 1860)
11th: Thomas Barnes Cochrane (31 Oct 1860-15 Jan 1885)
12th: Douglas Mackinnon Baillie Hamilton Cochrane (15 Jan 1885-12 Apr 1935)
13th: Thomas Hesketh Douglas Blair Cochrane (12 Apr 1935-23 May 1958)
14th: Ian Douglas Leonard Cochrane (23 May 1958-4 Oct 1986)
15th: Iain Alexander Douglas Blair Cochrane (4 Oct 1986- )

Earl of Dunfermline    [Scotland, 1605]
  1st: Alexander Seton (4 Mar 1605-16 Jun 1622)
  2nd: Charles Seton (16 Jun 1622-c 11 May 1672)
  3rd: Alexander Seton (May 1672-c Sep 1677)
  4th: James Seton (c Sep 1677-26 Dec 1694)

Earl of Dunmore    [Scotland, 1686]
  1st: Charles Murray (16 Aug 1686-19 Apr 1710)
  2nd: John Murray (19 Apr 1710-18 Apr 1752)
  3rd: William Murray (18 Apr 1752-1 Dec 1756)
  4th: John Murray (1 Dec 1756-25 Feb 1809)
  5th: George Murray (25 Feb 1809-11 Nov 1836)
  6th: Alexander Edward Murray (11 Nov 1836-15 Jul 1845)
  7th: Charles Adolphus Murray (15 Jul 1845-27 Aug 1907)
  8th: Alexander Edward Murray (27 Aug 1907-29 Jan 1962)
  9th: John Alexander Murray (29 Jan 1962-1980)
10th: Reginald Arthur Murray (1980-1981)
11th: Kenneth Randolph Murray (1981-28 Sep 1995)
12th: Malcolm Kenneth Murray (28 Sep 1995- )

Earl of Dunraven and Mount-Earl    [Ireland, 1822]
  1st: Valentine Richard Quin (5 Feb 1822-24 Aug 1824)
  2nd: Windham Henry Wyndham-Quin (2 Aug 1824-6 Aug 1850)
  3rd: Edwin Richard Wyndham-Quin (6 Aug 1850-6 Oct 1871)
  4th: Windham Thomas Wyndham-Quin (6 Oct 1871-14 Jun 1926)
  5th: Windham Henry Wyndham-Quin (14 Jun 1926-23 Oct 1952)
  6th: Richard Southwell Windham Robert Wyndham-Quin (23 Oct 1952-23 Aug 1965)
  7th: Thady Windham Thomas Wyndham-Quin (23 Aug 1965-25 Mar 2011)

Earl of Durham    [United Kingdom, 1833]
  1st: John George Lambton (23 Mar 1833-28 Jul 1840)
  2nd: George Frederick D'Arcy Lambton (28 Jul 1840-27 Nov 1879)
  3rd: John George Lambton (27 Nov 1879-18 Sep 1928)
  4th: Frederick William Lambton (18 Sep 1928-31 Jan 1929)
  5th: John Frederick Lambton (31 Jan 1929-4 Feb 1970)
  6th: Antony Claude Frederick Lambton (4 Feb 1970-30 Dec 2006)
  7th: Edward Richard Lambton (30 Dec 2006- )

Earl of Dysart, co. Fife    [Scotland, 1643]
  1st: William Murray (3 Aug 1643-Dec 1655)
  2nd: Elizabeth Murray (Sep 1653-5 Jun 1698) suo jure
  3rd: Lionel Tollemache (4 Jun 1698-23 Feb 1727)
  4th: Lionel Tollemache (23 Feb 1727-10 Mar 1770)
  5th: Lionel Tollemache (10 Mar 1770-22 Feb 1799)
  6th: Wilbraham Tollemache (22 Feb 1799-9 Mar 1821)
  7th: Louisa Tollemache (9 Mar 1821-22 Sep 1840) suo jure
  8th: Lionel William John Tollemache (22 Sep 1840-23 Sep 1878)
  9th: William John Manners Tollemache (23 Sep 1878-22 Nov 1935)
10th: Wenefryde Agatha Scott (22 Nov 1935-2 Jun 1975)
11th: Rosamund Agnes Greaves (2 Jun 1975-Dec 2003)
12th: Katherine Greaves (Dec 2003-8 Nov 2011)
13th: John Peter Grant (8 Nov 2011- )

Earl of Effingham    [United Kingdom, 1837]
  1st: Kenneth Alexander Howard (27 Jan 1837-13 Feb 1845)
  2nd: Henry Howard (13 Feb 1845-5 Feb 1889)
  3rd: Henry Howard (5 Feb 1889-4 May 1898)
  4th: Henry Alexander Gordon Howard (4 May 1898-6 May 1927)
  5th: Gordon Frederick Henry Charles Howard (6 May 1927-7 Jul 1946)
  6th: Mowbray Henry Gordon Howard (7 Jul 1946-23 Feb 1996)
  7th: David Peter Mowbray Algernon Howard (22 Feb 1996- )

Earl of Effingham, co. Surrey    [Great Britain, 1731]
  1st: Francis Howard (8 Dec 1731-12 Feb 1743)
  2nd: Thomas Howard (12 Feb 1743-19 Nov 1763)
  3rd: Thomas Howard (19 Nov 1763-19 Nov 1791)
  4th: Richard Howard (19 Nov 1791-10 Dec 1816)

Earl Egerton of Tatton, co. Chester    [United Kingdom, 1897]
  1st: Wilbraham Egerton (22 Jul 1897-16 Mar 1909)

Earl of Eglinton    [Scotland, 1507]
  1st: Hugh Montgomerie (fr 1507-1507-Jun 1545)
  2nd: Hugh Montgomerie (Jun 1545-3 Sep 1546)
  3rd: Hugh Montgomerie (3 Sep 1546-3 Jun 1585)
  4th: Hugh Montgomerie (3 Jun 1585-bt 1586-1586)
  5th: Hugh Montgomerie (Apr 1586-4 Sep 1612)
  6th: Alexander Montgomerie (4 Sep 1612-7 Jan 1661)
  7th: Hugh Montgomerie (7 Jan 1661-Feb 1669)
  8th: Alexander Montgomerie (1669-1701)
  9th: Alexander Montgomerie (1701-18 Feb 1729)
10th: Alexander Montgomerie (18 Feb 1729-25 Oct 1769)
11th: Archibald Montgomerie (25 Oct 1769-30 Oct 1796)
12th: Hugh Montgomerie (30 Oct 1796-14 Dec 1819)
13th: Archibald Montgomerie (14 Dec 1819-4 Oct 1861)
14th: Archibald William Montgomerie (4 Oct 1861-30 Aug 1892)
15th: George Arnulph Montgomerie (30 Aug 1892-10 Aug 1919)
16th: Archibald Seton Montgomerie (10 Aug 1919-22 Apr 1945)
17th: Archibald William Alexander Montgomerie (22 Apr 1945-21 Apr 1966)
18th: Archibald George Montgomerie (21 Apr 1966- )

Earl of Egmont, co. Cork    [Ireland, 1733]
  1st: John Perceval (6 Nov 1733-1 May 1748)
  2nd: John Perceval (1 May 1748-4 Dec 1770)
  3rd: John James Perceval (4 Dec 1770-25 Feb 1822)
  4th: John Perceval (25 Feb 1822-31 Dec 1835)
  5th: Henry Frederick John James Perceval (31 Dec 1835-23 Dec 1841)
  6th: George James Perceval (23 Dec 1841-2 Aug 1874)
  7th: Charles George Perceval (2 Aug 1874-5 Sep 1897)
  8th: Augustus Arthur Perceval (5 Sep 1897-11 Aug 1910)
  9th: Charles John Perceval (11 Aug 1910-10 Jan 1929)
10th: Frederick Joseph Trevelyan Perceval (10 Jan 1929-16 May 1932) de jure
11th: Frederick George Moore Perceval (16 May 1932-10 Dec 2001)
12th: Thomas Frederick Gerald Perceval (10 Dec 2001-6 Nov 2011)

Earl of Egremont    [Great Britain, 1749]
  1st: Algernon Seymour (3 Oct 1749-7 Feb 1750) with a special remainder to his nephews, Sir Charles Wyndham, 4th Bt and Percy Wyndham

Earl of Egremont, co. Cumberland    [Great Britain, 1749]
  2nd: Charles Wyndham (7 Feb 1750-21 Aug 1763)
  3rd: George O'Brien Wyndham (21 Aug 1763-11 Nov 1837)
  4th: George Francis Wyndham (11 Nov 1837-2 Apr 1845)

Earl of Eldon, co. Durham    [United Kingdom, 1821]
  1st: John Scott (7 Jul 1821-13 Jan 1838)
  2nd: John Scott (13 Jan 1838-18 Sep 1854)
  3rd: John Scott (18 Sep 1854-10 Aug 1926)
  4th: John Scott (10 Aug 1926-20 Oct 1976)
  5th: John Joseph Nicholas Scott (20 Oct 1976-30 Jan 2017)
  6th: John Francis Scott (30 Jan 2017- )

Earl of Elgin    [Scotland, 1633]
  1st: Thomas Bruce (21 Jun 1633-21 Dec 1663)
  2nd: Robert Bruce (21 Dec 1663-20 Oct 1685)
  3rd: Thomas Bruce (20 Oct 1685-16 Dec 1741)
  4th: Charles Bruce (16 Dec 1741-10 Feb 1747)
  5th: Charles Bruce (10 Feb 1747-14 May 1771)
  6th: William Robert Bruce (14 May 1771-15 Jul 1771)
  7th: Thomas Bruce (15 Jul 1771-14 Nov 1841)
  8th: James Bruce (14 Nov 1841-20 Nov 1863)
  9th: Victor Alexander Bruce (20 Nov 1863-18 Jan 1917)
10th: Edward James Bruce (18 Jan 1917-27 Nov 1968)
11th: Andrew Douglas Alexander Thomas Bruce (27 Nov 1968- )

Earl of Ellenborough, co. Cumberland    [United Kingdom, 1844]
  1st: Edward Law (22 Oct 1844-22 Dec 1871)

Earl of Eltham    [Great Britain, 1727]
  1st: Frederick Louis Hanover (26 Jul 1727-20 Mar 1751)

Earl of Eltham    [United Kingdom, 1917]
  1st: Adolphus Charles Cambridge (16 Jul 1917-24 Oct 1927)
  2nd: George Francis Hugh Cambridge (24 Oct 1927-16 Apr 1981)

Earl of Ely    [Ireland, 1794]
  1st: Charles Loftus (2 Mar 1794-22 Mar 1806)
  2nd: John Loftus (22 Mar 1806-26 Sep 1845)
  3rd: John Henry Loftus (26 Sep 1845-15 Jul 1857)
  4th: John Henry Wellington Graham Loftus (15 Jul 1857-3 Apr 1889)
  5th: John Henry Loftus (3 Apr 1889-18 Dec 1925)
  6th: George Herbert Loftus (18 Dec 1925-10 Apr 1935)
  7th: George Henry Wellington Loftus (10 Apr 1935-31 May 1969)
  8th: Charles John Tottenham (31 May 1969-1 Feb 2006)
  9th: Charles John Tottenham (1 Feb 2006- )

Earl of Ely, co. Wicklow    [Ireland, 1766]
  1st: Nicholas Hume-Loftus (23 Oct 1766-31 Oct 1766)
  2nd: Nicholas Loftus Hume (31 Oct 1766-12 Nov 1769)

Earl of Ely, co. Wicklow    [Ireland, 1771]
  1st: Henry Loftus (2 Dec 1771-8 May 1783)

Earl of Enniskillen    [Ireland, 1789]
  1st: William Willoughby Cole (18 Aug 1789-22 May 1803)
  2nd: John Willoughby Cole (22 May 1803-31 Mar 1840)
  3rd: William Willoughby Cole (31 Mar 1840-12 Nov 1886)
  4th: Lowry Egerton Cole (12 Nov 1886-28 Apr 1924)
  5th: John Henry Michael Cole (28 Apr 1924-19 Feb 1963)
  6th: David Lowry Cole (19 Feb 1963-30 May 1989)
  7th: Andrew John Gilbraith Cole (30 May 1989- )

Earl of Enzie    [Scotland, 1599]
  1st: George Gordon (17 Apr 1599-13 Jun 1636)
  2nd: George Gordon (13 Jun 1636-22 Mar 1649)
  3rd: Lewis Gordon (25 Mar 1651-Dec 1653)
  4th: George Gordon (Dec 1653-7 Dec 1716)
  5th: Alexander Gordon (7 Dec 1716-28 Nov 1728)
  6th: Cosmo George Gordon (28 Nov 1728-5 Aug 1752)
  7th: Alexander Gordon (5 Aug 1752-17 Jun 1827)
  8th: George Gordon (17 Jun 1827-28 May 1836)
  9th: George Gordon (28 May 1836-17 Jun 1853)
10th: Charles Gordon (17 Jun 1853-18 Sep 1863)
11th: Charles Gordon (18 Sep 1863-20 Feb 1937)
12th: Douglas Charles Lindsey Gordon (20 Feb 1937-26 Jan 1987)
13th: Granville Charles Gomer Gordon (26 Jan 1987- )

Earl Erne of Crom Castle    [Ireland, 1789]
  1st: John Crichton (19 Aug 1789-15 Sep 1828)
  2nd: Abraham Crichton (15 Sep 1828-10 Jun 1842)
  3rd: John Crichton (10 Jun 1842-3 Oct 1885)
  4th: John Henry Crichton (3 Oct 1885-2 Dec 1914)
  5th: John Henry George Crichton (2 Dec 1914-23 May 1940)
  6th: Henry George Victor John Crichton (23 May 1940-23 Dec 2015)
  7th: John Henry Michael Ninian Crichton (23 Dec 2015- )

Earl of Erroll    [Scotland, 1452]
  1st: William Hay (12 Jun 1452-15 Nov 1461)
  2nd: Nicholas Hay (1461-1470)
  3rd: William Hay (1470-14 Jan 1507)
  4th: William Hay (14 Jan 1507-9 Sep 1513)
  5th: William Hay (9 Sep 1513-28 Jul 1522)
  6th: William Hay (28 Jul 1522-11 Apr 1541)
  7th: George Hay (11 Apr 1541-30 Jan 1574)
  8th: Andrew Hay (30 Jan 1574-8 Oct 1585)
  9th: Francis Hay (8 Oct 1585-16 Jul 1631)
10th: William Hay (16 Jul 1631-7 Dec 1636)
11th: Gilbert Hay (8 Feb 1637-Mar 1674)
12th: John Hay (Mar 1674-30 Dec 1704)
13th: Charles Hay (30 Dec 1704-13 Oct 1717)
14th: Mary Hay (13 Oct 1717-19 Aug 1758)
15th: James Hay (19 Aug 1758-3 Jul 1778)
16th: George Hay (3 Jul 1778-14 Jun 1798)
17th: William Hay (14 Jul 1798-26 Jan 1819)
18th: William George Hay (26 Jan 1819-19 Apr 1846)
19th: William Harry Hay (19 Apr 1846-3 Dec 1891)
20th: Charles Gore Hay (3 Dec 1891-8 Jul 1927)
21st: Victor Alexander Sereld Hay (8 Jul 1927-20 Feb 1928)
22nd: Josslyn Victor Hay (20 Feb 1928-24 Jan 1941)
23rd: Diana Denyse Hay (24 Jan 1941-17 May 1978) suo jure
24th: Merlin Sereld Victor Gilbert Hay (17 May 1978- )

Earl of Essex    [England, 1461]
  1st: Henry Bourchier (30 Jun 1461-4 Apr 1483)
  2nd: Henry Bourchier (4 Apr 1483-13 Mar 1540)

Earl of Essex    [England, 1543]
  1st: William Parr (23 Dec 1543-28 Oct 1571)

Earl of Essex    [England, 1572]
  1st: Walter Devereux (4 May 1572-22 Sep 1576)
  2nd: Robert Devereux (22 Sep 1576-25 Feb 1601)
  3rd: Robert Devereux (18 Apr 1604-14 Sep 1646)

Earl of Essex    [England, 1661]
  1st: Arthur Capell (20 Apr 1661-13 Jul 1683)
  2nd: Algernon Capell (13 Jul 1683-10 Jan 1710)
  3rd: William Capell (10 Jan 1710-8 Jan 1743)
  4th: William Anne Capell (8 Jan 1743-5 Mar 1799)
  5th: George Capell-Coningsby (5 Mar 1799-23 Apr 1839)
  6th: Arthur Algernon Capell (23 Apr 1839-11 Sep 1892)
  7th: George Devereux de Vere Capell (11 Sep 1892-25 Sep 1916)
  8th: Algernon George de Vere Capell (25 Sep 1916-8 Dec 1966)
  9th: Reginald George de Vere Capell (8 Dec 1966-18 May 1981)
10th: Robert Edward de Vere Capell (18 May 1981-5 Jun 2005)
11th: Frederick Paul de Vere Capell (5 Jun 2005- )

Earl of Essex    [England, 1674]
  1st: Thomas Lennard (5 Oct 1674-30 Oct 1715)

Earl of Euston, co. Suffolk    [England, 1672]
  1st: Henry Fitzroy (16 Aug 1672-9 Oct 1690) with a special remainder to his younger brother, George
  2nd: Charles Fitzroy (9 Oct 1690-6 May 1757)
  3rd: Augustus Henry Fitzroy (6 May 1757-14 Mar 1811)
  4th: George Henry FitzRoy (14 Mar 1811-28 Sep 1844)
  5th: Henry FitzRoy (28 Sep 1844-26 Mar 1863)
  6th: William Henry Fitzroy (26 Mar 1863-21 May 1882)
  7th: Augustus Charles Lennox FitzRoy (21 May 1882-4 Dec 1918)
  8th: Alfred William Maitland FitzRoy (4 Dec 1918-10 Jan 1930)
  9th: John Charles William FitzRoy (10 Jan 1930-1 Aug 1936)
10th: Charles Alfred Euston FitzRoy (4 Aug 1936-11 Nov 1970)
11th: Hugh Denis Charles FitzRoy (11 Nov 1970-7 Apr 2011)
12th: Henry Oliver Charles FitzRoy (7 Apr 2011- )

Earl of Exeter    [England, 1605]
  1st: Thomas Cecil (4 May 1605-8 Feb 1623)
  2nd: William Cecil (8 Feb 1623-6 Jul 1640)
  3rd: David Cecil (6 Jul 1640-18 Apr 1643)
  4th: John Cecil (18 Apr 1643-18 Mar 1678)
  5th: John Cecil (18 Mar 1678-29 Aug 1700)
  6th: John Cecil (29 Aug 1700-24 Dec 1721)
  7th: John Cecil (24 Dec 1721-9 Apr 1722)
  8th: Brownlow Cecil (9 Apr 1722-3 Nov 1754)
  9th: Brownlow Cecil (3 Nov 1754-26 Dec 1793)
10th: Henry Cecil (26 Dec 1793-1 May 1804)
11th: Brownlow Cecil (1 May 1804-16 Jan 1867)
12th: William Alleyne Cecil (16 Jan 1867-14 Jul 1895)
13th: Brownlow Henry George Cecil (14 Jul 1895-9 Apr 1918)
14th: William Thomas Brownlow Cecil (9 Apr 1918-6 Aug 1956)
15th: David George Brownlow Cecil (6 Aug 1956-21 Oct 1981)
16th: William Martin Alleyne Cecil (21 Oct 1981-1988)
17th: William Michael Anthony Cecil (1988- )

Earl of Falmouth    [England, 1664]
  1st: Charles Berkeley (17 Mar 1664-1665)

Earl of Falmouth    [United Kingdom, 1821]
  1st: Edward Boscawen (14 Jul 1821-29 Dec 1841)
  2nd: George Henry Boscawen (29 Dec 1841-29 Aug 1852)

Earl of Farnham, co. Cavan    [Ireland, 1763]
  1st: Robert Maxwell (13 May 1763-11 Nov 1779)

Earl of Farnham, co. Cavan    [Ireland, 1785]
  1st: Barry Maxwell (22 Jun 1785-7 Oct 1800)
  2nd: John James Maxwell (7 Oct 1800-23 Jul 1823)

Earl Farquhar    [United Kingdom, 1922]
  1st: Horace Brand Farquhar (30 Nov 1922-30 Aug 1923)

Earl of Fauconberg    [England, 1689]
  1st: Thomas Belasyse (9 Apr 1689-31 Dec 1700)

Earl of Fauconberg of Newborough, co. York    [Great Britain, 1756]
  1st: Thomas Belasyse (16 Jun 1756-8 Feb 1774)

Earl Ferrers    [Great Britain, 1711]
  1st: Robert Shirley (1 Sep 1711-25 Dec 1717)
  2nd: Washington Shirley (25 Dec 1717-14 Apr 1729)
  3rd: Henry Shirley (14 Apr 1729-6 Aug 1745)
  4th: Laurence Shirley (6 Aug 1745-5 May 1760)
  5th: Washington Shirley (5 May 1760-11 Oct 1778)
  6th: Robert Shirley (11 Oct 1778-17 Apr 1787)
  7th: Robert Shirley (17 Apr 1787-2 May 1827)
  8th: Washington Shirley (2 May 1827-2 Oct 1842)
  9th: Washington Sewallis Shirley (2 Oct 1842-13 Mar 1859)
10th: Sewallis Edward Shirley (13 Mar 1859-26 Jul 1912)
11th: Walter Knight Shirley (26 Jul 1912-2 Feb 1937)
12th: Robert Walter Shirley (2 Feb 1937-11 Oct 1954)
13th: Robert Washington Shirley (11 Oct 1954-13 Nov 2012)
14th: Robert William Saswalo Shirley (13 Nov 2012- )

Earl of Feversham of Ryedale, in the North Riding of co. York    [United Kingdom, 1868]
  1st: William Ernest Duncombe (25 Jul 1868-13 Jan 1915)
  2nd: Charles William Reginald Duncombe (13 Jan 1915-15 Sep 1916)
  3rd: Charles Willian Slingsby Duncombe (15 Sep 1916-4 Sep 1963)

Earl of Fife    [Scotland, 1371]
  1st: Robert Stewart (30 Mar 1371-3 Sep 1420)

Earl Fife    [Ireland, 1759]
  1st: William Duff (26 Apr 1759-30 Sep 1763)
  2nd: James Duff (30 Sep 1763-24 Jan 1809)
  3rd: Alexander Duff (24 Jan 1809-17 Apr 1811)
  4th: James Duff (17 Apr 1811-9 Mar 1857)
  5th: James Duff (9 Mar 1857-7 Aug 1879)
  6th: Alexander William George Duff (7 Aug 1879-29 Jan 1912)

Earl of Fife    [United Kingdom, 1885]
  1st: Alexander William George Duff (13 Jul 1885-29 Jan 1912)

Earl of Findlater    [Scotland, 1638]
  1st: James Ogilvy (20 Feb 1638-1652) with remainder to heirs male of his body succeeding to his estates
  2nd: Patrick Ogilvy (1652-May 1659)
  3rd: James Ogilvy (May 1659-1711)
  4th: James Ogilvy (1711-15 Aug 1730)
  5th: James Ogilvy (15 Aug 1730-9 Jul 1764)
  6th: James Ogilvy (9 Jul 1764-3 Nov 1770)
  7th: James Ogilvy (3 Nov 1770-5 Oct 1811)

Earl FitzHardinge    [United Kingdom, 1841]
  1st: William FitzHardinge Berkeley (17 Aug 1841-10 Oct 1857)

Earl FitzWalter    [Great Britain, 1725]
  1st: Benjamin Mildmay (16 May 1725-29 Feb 1756)

Earl Fitzwilliam, co. Tyrone    [Ireland, 1716]
  1st: William Fitzwilliam (21 Jul 1716-28 Dec 1719)
  2nd: John Fitzwilliam (1719-28 Aug 1728)
  3rd: William Fitzwilliam (1728-10 Aug 1756)
  4th: William Fitzwilliam (1756-8 Feb 1833)
  5th: Charles William Fitzwilliam (1833-4 Oct 1857)
  6th: William Thomas Spencer Fitzwilliam (1857-20 Feb 1902)
  7th: William Charles de Meuron FitzWilliam (1943-15 Feb 1943)
  8th: William Henry Lawrence Peter Wentworth-Fitzwilliam (1943-13 May 1948)
  9th: Eric Spencer FitzWilliam (1948-3 Apr 1952)
10th: William Thomas George Wentworth-Fitzwilliam ( -1979)

Earl of Forfar    [Scotland, 1661]
  1st: Archibald Douglas (2 Oct 1661-11 Dec 1712)
  2nd: Archibald Douglas (11 Dec 1712-8 Dec 1715)

Earl Fortescue    [Great Britain, 1789]
  1st: Hugh Fortescue (1 Sep 1789-16 Jun 1841)
  2nd: Hugh Fortescue (16 Jun 1841-14 Sep 1861)
  3rd: Hugh Fortescue (14 Sep 1861-10 Oct 1905)
  4th: Hugh Fortescue (10 Oct 1905-29 Oct 1932)
  5th: Hugh William Fortescue (29 Oct 1932-14 Jun 1958)
  6th: Denzil George Fortescue (14 Jun 1958-1 Jun 1977)
  7th: Richard Archibald Fortescue (1 Jun 1977-7 Mar 1993)
  8th: Charles Hugh Richard Fortescue (7 Mar 1993- )

Earl of Forth    [Scotland, 1642]
  1st: Patrick Ruthven (27 May 1642-2 Feb 1651)

Earl of Gainsborough, co. Lincoln    [England, 1682]
  1st: Edward Noel (1 Dec 1682-Jan 1689) with a special remainder to his brothers, Baptist and John Noel
  2nd: Wriothesley Baptist Noel (Jan 1689-21 Sep 1690)
  3rd: Baptist Noel (21 Sep 1690-16 Apr 1714)
  4th: Baptist Noel (16 Apr 1714-21 Mar 1751)
  5th: Baptist Noel (21 Mar 1751-27 May 1759)
  6th: Henry Noel (27 May 1759-8 Apr 1798)

Earl of Gainsborough, co. Lincoln    [United Kingdom, 1841]
  1st: Charles Noel (16 Aug 1841-10 Jun 1866)
  2nd: Charles George Noel (10 Jun 1866-13 Aug 1881)
  3rd: Charles William Francis Noel (13 Aug 1881-17 Apr 1926)
  4th: Arthur Edward Joseph Noel (17 Apr 1926-27 Aug 1927)
  5th: Anthony Gerard Edward Noel (27 Aug 1927-29 Dec 2009)
  6th: Anthony Baptist Noel (29 Dec 2009- )

Earl of Galloway    [Scotland, 1623]
  1st: Alexander Stewart (19 Sep 1623-1649) with a special remainder to his heirs male bearing the name Stewart
  2nd: James Stewart (1649-Jun 1671)
  3rd: Alexander Stewart (Jun 1671-c 1690)
  4th: Alexander Stewart (Sep 1690-26 Sep 1690)
  5th: James Stewart (26 Sep 1690-16 Feb 1746)
  6th: Alexander Stewart (16 Feb 1746-24 Sep 1773)
  7th: John Stewart (24 Sep 1773-13 Nov 1806)
  8th: George Stewart (13 Nov 1806-27 Mar 1834)
  9th: Randolph Stewart (27 Mar 1834-2 Jan 1873)
10th: Alan Plantagenet Stewart (2 Jan 1873-7 Feb 1901)
11th: Randolph Henry Stewart (7 Feb 1901-7 Feb 1920)
12th: Randolph Algernon Ronald Stewart (7 Feb 1920-13 Jun 1978)
13th: Randolph Keith Reginald Stewart (13 Jun 1978- )

Earl of Gifford    [Scotland, 1694]
  1st: John Hay (17 Dec 1694-11 Aug 1697)
  2nd: John Hay (11 Aug 1697-20 Apr 1713)
  3rd: Charles Hay (20 Apr 1713-17 Dec 1715)
  4th: John Hay (17 Dec 1715-9 Dec 1762)
  5th: George Hay (9 Dec 1762-4 Oct 1770)
  6th: George Hay (4 Oct 1770-16 Nov 1787)
  7th: George Hay (16 Nov 1787-9 Aug 1804)
  8th: George Hay (9 Aug 1804-10 Oct 1876)
  9th: Arthur Hay (10 Oct 1876-29 Dec 1878)
10th: William Montagu Hay (29 Dec 1878-25 Nov 1911)
11th: William George Montagu Hay (25 Nov 1911-30 Mar 1967)
12th: David George Montagu Hay (30 Mar 1967-23 Jan 1979)
13th: Edward Douglas John Hay (23 Jan 1979-1 Feb 2005)
14th: Charles David Montagu Hay (1 Feb 2005- )

Earl of Glandore    [Ireland, 1776]
  1st: William Crosbie (22 Jul 1776-11 Apr 1781)
  2nd: John Crosbie (11 Apr 1781-23 Oct 1815)

Earl of Glasgow    [Scotland, 1703]
  1st: David Boyle (12 Apr 1703-31 Oct 1733) with a special remainder to all of his heirs male whatsoever
  2nd: John Boyle (31 Oct 1733-22 May 1740)
  3rd: John Boyle (22 May 1740-7 Mar 1775)
  4th: George Boyle (7 Mar 1775-3 Jul 1843)
  5th: James Carr-Boyle (3 Jul 1843-11 Mar 1869)
  6th: George Frederick Boyle (11 Mar 1869-23 Apr 1890)
  7th: David Boyle (23 Apr 1890-13 Dec 1915)
  8th: Patrick James Boyle (13 Dec 1915-14 Dec 1963)
  9th: David William Maurice Boyle (14 Dec 1963-8 Jun 1984)
10th: Patrick Robin Archibald Boyle (8 Jun 1984- )

Earl of Glencairn    [Scotland, 1488]
  1st: Alexander Cuninghame (28 May 1488-11 Jun 1488)
  2nd: Robert Cuninghame (Jun 1488-c 1490)
  3rd: Cuthbert Cuninghame (13 Aug 1503-fr 1540-1541) when his title was apparently recognised
  4th: William Cuninghame (c 1541-Mar 1548)
  5th: Alexander Cuninghame (Mar 1548-23 Dec 1574)
  6th: William Cuninghame (23 Dec 1574-fr 1576-1580)
  7th: James Cuninghame (Feb 1580-a Mar 1630)
  8th: William Cuninghame (c Mar 1630-Oct 1631)
  9th: William Cuninghame (Oct 1631-27 Jan 1665)
10th: Alexander Cuninghame (30 May 1664-26 May 1670)
11th: John Cuninghame (26 May 1670-14 Dec 1703)
12th: William Cuninghame (14 Dec 1703-14 Mar 1734)
13th: William Cuninghame (14 Mar 1734-9 Sep 1775)
14th: James Cuninghame (9 Sep 1775-30 Jan 1791)
15th: John Cuninghame (30 Jan 1791-24 Sep 1796)

Earl of Glengall    [Ireland, 1816]
  1st: Richard Butler (22 Jan 1816-30 Jan 1819)
  2nd: Richard Butler (30 Jan 1819-22 Jun 1858)

Earl of Gloucester    [England, 1122]
  1st: Robert Caen (bt 1122-1122-31 Oct 1147)
  2nd: William Robert (31 Oct 1147-23 Nov 1183)

Earl of Gloucester    [England, 1337]
  1st: Hugh Audley (16 Mar 1337-10 Nov 1347)

Earl of Gloucester    [England, 1397]
  1st: Thomas Despenser (29 Sep 1397-13 Jan 1400)

Earl of Gosford    [Ireland, 1806]
  1st: Arthur Acheson (1 Feb 1806-14 Jan 1807)
  2nd: Archibald Acheson (14 Jan 1807-27 Mar 1849)
  3rd: Archibald Acheson (27 Mar 1849-15 Jun 1864)
  4th: Archibald Brabazon Sparrow Acheson (15 Jun 1864-11 Apr 1922)
  5th: Archibald Charles Montagu Brabazon Acheson (11 Apr 1922-20 Mar 1954)
  6th: Archibald Alexander John Stanley Acheson (20 Mar 1954-17 Feb 1966)
  7th: Charles David Alexander John Sparrow Acheson (17 Feb 1966- )

Earl of Gowran    [Ireland, 1676]
  1st: John Butler (13 Apr 1676-1677)

Earl of Gowrie    [Scotland, 1581]
  1st: William Ruthven (23 Aug 1581-2 May 1584)
  2nd: James Ruthven (1586-1588)
  3rd: John Ruthven (1588-5 Aug 1600)

Earl of Gowrie    [United Kingdom, 1945]
  1st: Alexander Gore Arkwright Hore-Ruthven (8 May 1945-2 May 1955)
  2nd: Alexander Patrick Greysteil Hore-Ruthven (2 May 1955- )

Earl Graham    [Great Britain, 1722]
  1st: David Graham (23 May 1722-30 Sep 1731) with special remainder to his brothers
  2nd: William Graham (30 Sep 1731-23 Sep 1790)
  3rd: James Graham (23 Sep 1790-30 Dec 1836)
  4th: James Graham (30 Dec 1836-30 Dec 1874)
  5th: Douglas Beresford Malise Ronald Graham (30 Dec 1874-10 Dec 1925)
  6th: James Graham (Dec 1925-20 Jan 1954)
  7th: James Angus Graham (20 Jan 1954-10 Feb 1992)
  8th: James Graham (1992- )

Earl of Granard    [Ireland, 1684]
  1st: Arthur Forbes (30 Dec 1684-1695)
  2nd: Arthur Forbes (1695-24 Aug 1734)
  3rd: George Forbes (24 Aug 1734-29 Oct 1765)
  4th: George Forbes (4 Oct 1765-16 Oct 1769)
  5th: George Forbes (16 Oct 1769-16 Apr 1780)
  6th: George Forbes (16 Apr 1780-9 Jun 1837)
  7th: George Arthur Hastings Forbes (9 Jun 1837-25 Aug 1889)
  8th: Bernard Arthur William Patrick Hastings Forbes (25 Aug 1889-10 Sep 1948)
  9th: Arthur Patrick Hastings Forbes (10 Sep 1948-21 Nov 1992)
10th: Peter Arthur Edward Hastings Forbes (21 Nov 1992- )

Earl Grandison    [Ireland, 1767]
  1st: Elizabeth FitzGerald (19 Feb 1767-29 May 1782)
  2nd: George Mason-Villiers (29 May 1782-14 Jul 1800)

Earl Grandison, co. Leitrim    [Ireland, 1721]
  1st: John FitzGerald (11 Sep 1721-14 May 1766)

Earl Granville    [Great Britain, 1715]
  1st: Grace Granville (1 Jan 1715-18 Oct 1744) suo jure
  2nd: John Carteret (18 Oct 1744-2 Jan 1763)
  3rd: Robert Carteret (2 Jan 1763-13 Feb 1776)

Earl Granville    [United Kingdom, 1833]
  1st: Granville Leveson-Gower (10 May 1833-8 Jan 1846)
  2nd: Granville George Leveson-Gower (8 Jan 1846-31 Mar 1891)
  3rd: Granville George Leveson-Gower (31 Mar 1891-21 Jul 1939)
  4th: William Spencer Leveson-Gower (21 Jul 1939-25 Jun 1953)
  5th: Granville James Leveson-Gower (25 Jun 1953-31 Oct 1996)
  6th: Granville George Fergus Leveson-Gower (31 Oct 1996- )

Earl of Greenwich, Kent    [England, 1705]
  1st: John Campbell (26 Nov 1705-4 Oct 1743)

Earl Grey    [United Kingdom, 1806]
  1st: Charles Grey (11 Apr 1806-14 Nov 1807)
  2nd: Charles Grey (14 Nov 1807-17 Jul 1845)
  3rd: Henry George Grey (17 Jul 1845-9 Oct 1894)
  4th: Albert Henry George Grey (9 Oct 1894-29 Aug 1917)
  5th: Charles Robert Grey (29 Aug 1917-2 Apr 1963)
  6th: Richard Fleming George Charles Grey (2 Apr 1963-10 Sep 2013)
  7th: Philip Kent Grey (10 Sep 2013- )

Earl de Grey of Wrest, co. Bedford    [United Kingdom, 1816]
  1st: Annabella Yorke (25 Oct 1816-4 May 1833) with a special to remainder to her sister Mary Jemima Yorke, and her male heirs
  2nd: Thomas Philip Grey (4 May 1833-14 Nov 1859)
  3rd: George Frederick Samuel Robinson (14 Nov 1859-9 Jul 1909)
  4th: Frederick Oliver Robinson (9 Jul 1909-22 Sep 1923)

Earl Grosvenor    [Great Britain, 1784]
  1st: Richard Grosvenor (5 Jul 1784-5 Aug 1802)
  2nd: Robert Grosvenor (5 Aug 1802-17 Feb 1845)
  3rd: Richard Grosvenor (17 Feb 1845-31 Oct 1869)
  4th: Hugh Lupus Grosvenor (17 Feb 1845-22 Dec 1899)
  5th: Hugh Richard Arthur Grosvenor (22 Dec 1899-19 Jul 1953)
  6th: William Grosvenor (19 Jul 1953-22 Feb 1963)
  7th: Gerald Hugh Grosvenor (22 Feb 1963-25 Feb 1967)
  8th: Robert George Grosvenor (25 Feb 1967-19 Feb 1979)
  9th: Gerald Cavendish Grosvenor (19 Feb 1979-10 Aug 2016)
11th: Hugh Richard Louis Grosvenor (10 Aug 2016- )

Earl of Guildford, co. Surrey    [England, for life]
  1st: Elizabeth Feilding (14 Jul 1660-c 3 Sep 1667)

Earl of Guilford    [Great Britain, 1752]
  1st: Francis North (8 Apr 1752-4 Aug 1790)
  2nd: Frederick North (4 Aug 1790-5 Aug 1792)
  3rd: George Augustus North (5 Aug 1792-20 Apr 1802)
  4th: Francis North (20 Apr 1802-11 Jan 1817)
  5th: Frederick North (11 Jan 1817-14 Oct 1827)
  6th: Francis North (14 Oct 1827-29 Jan 1861)
  7th: Dudley Francis North (29 Jan 1861-19 Dec 1885)
  8th: Frederick George North (19 Dec 1885-9 Nov 1949)
  9th: Edward Francis North (9 Nov 1949-26 Mar 1999)
10th: Piers Edward Brownlow North (26 Mar 1999- )

Earl of Guilford, co. Surrey    [England, 1674]
  1st: John Maitland (25 Jun 1674-24 Aug 1682)

Earl of Haddington    [Scotland, 1627]
  1st: Thomas Hamilton (17 Aug 1627-29 May 1637) with the precedency of 1619, when he exchanged his Earl of Melrose title for this one
  2nd: Thomas Hamilton (29 May 1637-30 Aug 1640)
  3rd: Thomas Hamilton (30 Aug 1640-8 Feb 1645)
  4th: John Hamilton (8 Feb 1645-31 Aug 1669)
  5th: Charles Hamilton (31 Aug 1669-May 1685)
  6th: Thomas Hamilton (May 1685-28 Nov 1735)
  7th: Thomas Hamilton (28 Nov 1735-19 May 1794)
  8th: Charles Hamilton (19 May 1794-17 Mar 1828)
  9th: Thomas Hamilton (17 Mar 1858-1 Dec 1858)
10th: George Baillie-Hamilton (1 Dec 1858-25 Jun 1870)
11th: George Baillie-Hamilton (25 Jun 1870-11 Jun 1917)
12th: George Baillie-Hamilton (11 Jun 1917-17 Apr 1986)
13th: John George Baillie-Hamilton (17 Apr 1986-5 Jul 2016)
14th: George Edmund Baldred Baillie-Hamilton (5 Jul 2016- )

Earl of Haddo, co. Aberdeen    [United Kingdom, 1916]
  1st: John Campbell Hamilton-Gordon (4 Jan 1916-7 Mar 1934)
  2nd: George Gordon (7 Mar 1934-6 Jan 1965)
  3rd: Dudley Gladstone Gordon (6 Jan 1965-16 Apr 1972)
  4th: David George Ian Alexander Gordon (16 Apr 1972-13 Sep 1974)
  5th: Archibald Victor Dudley Gordon (13 Sep 1974-7 Sep 1984)
  6th: Alastair Ninian John Gordon (7 Sep 1984-19 Aug 2002)
  7th: Alexander George Gordon (19 Aug 2002- )

Earl Haig    [United Kingdom, 1919]
  1st: Douglas Haig (29 Sep 1919-30 Jan 1928)
  2nd: George Alexander Eugene Douglas Haig (30 Jan 1928-9 Jul 2009)
  3rd: Alexander Douglas Derrick Haig (9 Jul 2009- )

Earl of Halifax    [England, 1714]
  1st: Charles Montagu (19 Oct 1714-19 May 1715)

Earl of Halifax    [Great Britain, 1715]
  1st: George Montague (14 Jun 1715-9 May 1739)
  2nd: George Montague-Dunk (9 May 1739-8 Jun 1771)

Earl of Halifax    [United Kingdom, 1944]
  1st: Edward Frederick Lindley Wood (11 Jul 1944-23 Dec 1959)
  2nd: Charles Ingram Courtenay Wood (23 Dec 1959-19 Mar 1980)
  3rd: Charles Edward Peter Neil Wood (19 Mar 1980- )

Earl of Halsbury    [United Kingdom, 1898]
  1st: Hardinge Stanley Giffard (17 Jan 1898-11 Dec 1921)
  2nd: Hardinge Goulburn Giffard (11 Dec 1921-15 Sep 1943)
  3rd: John Anthony Hardinge Giffard (15 Sep 1943-14 Jan 2000)
  4th: Adam Edward Giffard (14 Jan 2000-31 Dec 2011) although he does not use his title

Earl of Harborough    [Great Britain, 1719]
  1st: Bennet Sherard (8 May 1719-16 Oct 1732)
  2nd: Philip Sherard (16 Oct 1732-20 Jul 1758)
  3rd: Bennet Sherard (20 Jul 1758-23 Feb 1770)
  4th: Robert Sherard (23 Feb 1770-21 Apr 1799)
  5th: Philip Sherard (21 Apr 1799-10 Dec 1807)
  6th: Robert Sherard (10 Dec 1807-28 Jul 1859)

Earl of Hardwicke    [Great Britain, 1754]
  1st: Philip Yorke (2 Apr 1754-6 Mar 1764)
  2nd: Philip Yorke (6 Mar 1764-16 May 1790)
  3rd: Philip Yorke (16 May 1796-18 Nov 1834)
  4th: Charles Philip Yorke (18 Nov 1834-17 Sep 1873)
  5th: Charles Philip Yorke (17 Sep 1873-18 May 1897)
  6th: Albert Edward Philip Henry Yorke (18 May 1897-29 Nov 1904)
  7th: John Manners Yorke (29 Nov 1904-13 Mar 1909)
  8th: Charles Alexander Yorke (13 Mar 1909-1 Feb 1936)
  9th: Philip Grantham Yorke (1 Feb 1936-31 Dec 1974)
10th: Joseph Philip Sebastion Yorke (31 Dec 1974- )

Earl of Harewood, co. York    [United Kingdom, 1812]
  1st: Edward Lascelles (7 Sep 1812-3 Apr 1820)
  2nd: Henry Lascelles (3 Apr 1820-24 Nov 1841)
  3rd: Henry Lascelles (24 Nov 1841-22 Feb 1857)
  4th: Henry Thynne Lascelles (22 Feb 1857-24 Jun 1892)
  5th: Henry Ulick Lascelles (24 Jun 1892-6 Oct 1929)
  6th: Henry George Charles Lascelles (6 Oct 1929-23 May 1947)
  7th: George Henry Hubert Lascelles (24 May 1947-10 Jul 2011)
  8th: David Henry George Lascelles (10 Jul 2011- )

Earl of Harrington, co. Northampton    [Great Britain, 1742]
  1st: William Stanhope (9 Feb 1742-8 Dec 1756)
  2nd: William Stanhope (8 Dec 1756-1 Apr 1779)
  3rd: Charles Stanhope (1 Apr 1779-5 Sep 1829)
  4th: Charles Stanhope (5 Sep 1829-3 Mar 1851)
  5th: Leicester Fitzgerald Charles Stanhope (3 Mar 1851-7 Sep 1862)
  6th: Sydney Seymour Hyde Stanhope (7 Sep 1862-22 Feb 1866)
  7th: Charles Wyndham Stanhope (22 Feb 1866-26 Jun 1881)
  8th: Charles Augustus Stanhope (26 Jun 1881-5 Feb 1917)
  9th: Dudley Henry Eden Stanhope (5 Feb 1917-13 Nov 1928)
10th: Charles Joseph Leicester Stanhope (13 Nov 1928-16 Nov 1929)
11th: William Henry Leicester Stanhope (16 Nov 1929-12 Apr 2009)
12th: Charles Henry Leicester Stanhope (12 Apr 2009- )

Earl of Harrowby, co. Lincoln    [United Kingdom, 1809]
  1st: Dudley Ryder (19 Jul 1809-26 Dec 1847)
  2nd: Dudley Ryder (26 Dec 1847-19 Nov 1882)
  3rd: Dudley Francis Stuart Ryder (19 Nov 1882-26 Mar 1900)
  4th: Henry Ryder (26 Mar 1900-11 Dec 1900)
  5th: John Herbert Dudley Ryder (11 Dec 1900-30 Mar 1956)
  6th: Dudley Ryder (30 Mar 1956-7 May 1987)
  7th: Dudley Danvers Granville Coutts Ryder (7 May 1987-9 Oct 2007)
  8th: Dudley Adrian Conroy Ryder (9 Oct 2007- )

Earl of Hartfell    [Scotland, 1643]
  1st: James Johnstone (18 Mar 1643-Apr 1653)
  2nd: James Johnstone (1 Oct 1653-17 Jul 1672)

Earl of Hartfell    [Scotland, 1701]
  1st: William Johnstone (24 Jun 1701-14 Jan 1721)
  2nd: James Johnstone (14 Jan 1721-10 Feb 1730)
  3rd: George van den Bempdé-Johnstone (10 Feb 1730-29 Apr 1792)

Earl of Hereford    [England, 1200]
  1st: Henry Bohun (28 Apr 1200-1220)
  2nd: Humphrey Bohun (1 Jun 1220-24 Sep 1275)

Earl of Hereford    [England, 1537]
  1st: Edward Seymour (18 Oct 1537-22 Jan 1552) with a special remainder to present or future heirs male by his second wife

Earl of Hertford    [England, 1138]
  1st: Gilbert Clare (c 1138-1152)
  2nd: Roger Clare (1152-1173)
  3rd: Richard Clare (1173-c 28 Nov 1217)

Earl of Hertford    [England, 1559]
  1st: Edward Seymour (13 Jan 1559-6 Apr 1621)
  2nd: William Seymour (6 Apr 1621-24 Oct 1660)
  3rd: William Seymour (24 Oct 1660-12 Dec 1671)
  4th: John Seymour (12 Dec 1671-29 Apr 1675)
  5th: Francis Seymour (29 Apr 1675-20 Apr 1678)
  6th: Charles Seymour (20 Apr 1678-2 Dec 1748)
  7th: Algernon Seymour (2 Dec 1748-7 Feb 1750)

Earl of Hertford    [Great Britain, 1750]
  1st: Francis Seymour-Conway (3 Aug 1750-14 Jun 1794) with a special remainder to his brother Henry
  2nd: Francis Seymour-Ingram (14 Jun 1794-28 Jun 1822)
  3rd: Francis Charles Seymour-Conway (17 Jun 1822-1 Mar 1842)
  4th: Richard Seymour-Conway (1 Mar 1842-25 Aug 1870)
  5th: Francis George Hugh Seymour (25 Aug 1870-25 Jan 1884)
  6th: Hugh de Grey Seymour (25 Jan 1884-23 Mar 1912)
  7th: George Francis Alexander Seymour (23 Mar 1912-16 Feb 1940)
  8th: Hugh Edward Conway Seymour (18 Jun 1939-22 Dec 1997)
  9th: Henry Jocelyn Seymour (22 Dec 1997- )

Earl of Hillsborough    [Great Britain, 1772]
  1st: Wills Hill (28 Aug 1772-7 Oct 1793)
  2nd: Arthur Hill (7 Oct 1793-7 Sep 1801)
  3rd: Arthur Blundell Sandys Trumbull Hill (7 Sep 1801-12 Apr 1845)
  4th: Arthur Wills Blundell Sandys Trumbull Windsor Hill (12 Apr 1845-6 Aug 1868)
  5th: Arthur Wills Blundell Sandys Roden Hill (6 Aug 1868-31 Mar 1874)
  6th: Arthur Wills John Wellington Trumbull Hill (31 Mar 1874-29 May 1918)
  7th: Arthur Wills Percy Wellington Blundell Trumbull Sandys Hill (29 May 1918-28 Mar 1989)
  8th: Arthur Robin Ian Hill (28 Mar 1989-18 Dec 2003)
  9th: Arthur Francis Nicholas Wills Ian Hill (18 Dec 2003- )

Earl of Hillsborough, co. Down    [Ireland, 1751]
  1st: Wills Hill (3 Oct 1751-7 Oct 1793) with a special remainder to his uncle, Arthur Hill
  2nd: Arthur Hill (7 Oct 1793-7 Sep 1801)
  3rd: Arthur Blundell Sandys Trumbull Hill (7 Sep 1801-12 Apr 1845)
  4th: Arthur Wills Blundell Sandys Trumbull Windsor Hill (12 Apr 1845-6 Aug 1868)
  5th: Arthur Wills Blundell Sandys Roden Hill (6 Aug 1868-31 Mar 1874)
  6th: Arthur Wills John Wellington Trumbull Hill (31 Mar 1874-29 May 1918)
  7th: Arthur Wills Percy Wellington Blundell Trumbull Sandys Hill (29 May 1918-28 Mar 1989)
  8th: Arthur Robin Ian Hill (28 Mar 1989-18 Dec 2003)
  9th: Arthur Francis Nicholas Wills Ian Hill (18 Dec 2003- )

Earl of Holderness    [England, 1682]
  1st: Conyers Darcy (5 Dec 1682-14 Jun 1689)
  2nd: Conyers Darcy (14 Jun 1689-13 Dec 1692)
  3rd: Robert Darcy (13 Dec 1692-20 Jan 1722)
  4th: Robert Darcy (20 Jan 1722-16 May 1778)

Earl of Holdernesse    [England, 1621]
  1st: John Ramsay (22 Jan 1621-c 1626)

Earl of Home    [Scotland, 1605]
  1st: Alexander Home (4 Mar 1605-5 Apr 1619) with a special remainder to his heirs male whatsoever
  2nd: James Home (5 Apr 1619-c Feb 1633)
  3rd: James Home (Feb 1633-Dec 1666)
  4th: Alexander Home (Dec 1666-1674)
  5th: James Home (1674-1687)
  6th: Charles Home (1687-22 Jul 1706)
  7th: Alexander Home (22 Jul 1706-1720)
  8th: William Home (1720-28 Apr 1761)
  9th: Alexander Home (28 Apr 1761-8 Oct 1786)
10th: Alexander Ramey-Home (8 Oct 1786-21 Oct 1841)
11th: Cospatrick Alexander Home (21 Oct 1841-4 Jul 1881)
12th: Charles Alexander Douglas-Home (4 Jul 1881-30 Apr 1918)
13th: Charles Cospatrick Archibald Douglas-Home (30 Apr 1918-11 Jul 1951)
14th: Alexander Frederick Douglas-Home (11 Jul 1951-9 Oct 1995)
15th: David Alexander Cospatrick Douglas-Home (9 Oct 1995- )

Earl of Hopetoun    [Scotland, 1703]
  1st: Charles Hope (15 Apr 1703-26 Feb 1742)
  2nd: John Hope (26 Feb 1742-12 Feb 1781)
  3rd: James Hope Johnstone (12 Feb 1781-29 May 1817)
  4th: John Hope (29 May 1817-27 Aug 1823)
  5th: John Hope (27 Aug 1823-8 Apr 1843)
  6th: John Alexander Hope (8 Apr 1843-1 Apr 1873)
  7th: John Adrian Louis Hope (1 Apr 1873-29 Feb 1908)
  8th: Victor Alexander John Hope (29 Feb 1908-5 Jan 1952)
  9th: Charles William Frederick Hope (5 Jan 1952-7 Apr 1987)

Earl Howe    [Great Britain, 1788]
  1st: Richard Howe (19 Aug 1788-5 Aug 1799)

Earl Howe    [United Kingdom, 1821]
  1st: Richard William Penn Curzon-Howe (15 Jul 1821-12 May 1870)
  2nd: George Augustus Frederick Louis Curzon-Howe (12 May 1870-4 Feb 1876)
  3rd: Richard William Penn Curzon-Howe (4 Feb 1876-25 Sep 1900)
  4th: Richard George Penn Curzon (25 Sep 1900-10 Jan 1929)
  5th: Francis Richard Henry Penn Curzon (10 Jan 1929-1 Sep 1964)
  6th: Edward Richard Assheton Penn Curzon (1 Sep 1964-29 May 1984)
  7th: Frederick Richard Penn Curzon (29 May 1984- )

Earl of Howth    [Ireland, 1767]
  1st: Thomas St. Lawrence (3 Sep 1767-29 Sep 1801)
  2nd: William St. Lawrence (29 Sep 1801-4 Apr 1822)
  3rd: Thomas St. Lawrence (4 Apr 1822-4 Feb 1874)
  4th: William Ulick Tristram St. Lawrence (4 Feb 1874-9 Mar 1909)

Earl of Huntingdon    [England, 1337]
  1st: William Clinton (13 Mar 1337-25 Aug 1354)

Earl of Huntingdon    [England, 1388]
  1st: John Holand (2 Jun 1388-c 9 Jan 1400)

Earl of Huntingdon    [England, 1479]
  1st: William Herbert (4 Jul 1479-16 Jul 1491)

Earl of Huntingdon    [England, 1529]
  1st: George Hastings (8 Dec 1529-24 Mar 1544)
  2nd: Francis Hastings (24 Mar 1544-23 Jun 1560)
  3rd: Henry Hastings (23 Jun 1560-14 Dec 1595)
  4th: George Hastings (14 Dec 1595-31 Dec 1604)
  5th: Henry Hastings (31 Dec 1604-14 Nov 1643)
  6th: Ferdinando Hastings (14 Nov 1643-13 Feb 1656)
  7th: Theophilus Hastings (13 Feb 1656-30 May 1701)
  8th: George Hastings (30 May 1701-22 Feb 1705)
  9th: Theophilus Hastings (22 Feb 1705-13 Oct 1747)
10th: Francis Hastings (13 Oct 1747-2 Oct 1789)
11th: Theophilus Henry Hastings ( -2 Apr 1804) de jure, by the subsequent decision of the House of Lords in 1819
12th: Hans Francis Hastings (14 Jan 1819-9 Dec 1828)
13th: Francis Theophilus Henry Hastings (9 Dec 1828-13 Sep 1875)
14th: Francis Power Plantagenet Hastings (13 Sep 1875-20 May 1885)
15th: Warner Francis John Plantagenet Hastings (20 May 1885-5 Apr 1939)
16th: Francis John Clarence Westenra Plantagenet Hastings (5 Apr 1939-1990)
17th: William Edward Robin Hood Hastings-Bass (1990- )

Earl of Huntly    [Scotland, 1445]
  1st: Alexander Gordon (fr 1444-1445-15 Jul 1470)
  2nd: George Gordon (15 Jul 1470-8 Jun 1501)
  3rd: Alexander Gordon (Jun 1501-21 Jan 1524)
  4th: George Gordon (21 Jan 1524-22 Oct 1562)
  5th: George Gordon (1567-19 Oct 1576) after being restored to this title
  6th: George Gordon (19 Oct 1576-13 Jun 1636)
  7th: George Gordon (13 Jun 1636-22 Mar 1649)
  8th: Lewis Gordon (25 Mar 1651-Dec 1653)
  9th: George Gordon (Dec 1653-7 Dec 1716)
10th: Alexander Gordon (7 Dec 1716-28 Nov 1728)
11th: Cosmo George Gordon (28 Nov 1728-5 Aug 1752)
12th: Alexander Gordon (5 Aug 1752-17 Jun 1827)
13th: George Gordon (17 Jun 1827-28 May 1836)

Earl of Huntly and Enzie    [Scotland, 1684]
  1st: George Gordon (1 Nov 1684-7 Dec 1716)
  2nd: Alexander Gordon (7 Dec 1716-28 Nov 1728)
  3rd: Cosmo George Gordon (28 Nov 1728-5 Aug 1752)
  4th: Alexander Gordon (5 Aug 1752-17 Jun 1827)
  5th: George Gordon (17 Jun 1827-28 May 1836)

Earl of Hyndford    [Scotland, 1701]
  1st: John Carmichael (25 Jun 1701-20 Sep 1710)
  2nd: James Carmichael (20 Sep 1710-16 Aug 1737)
  3rd: John Carmichael (16 Aug 1737-19 Jul 1767)
  4th: John Carmichael (19 Jul 1767-21 Dec 1787)
  5th: Thomas Carmichael (21 Dec 1787-14 Feb 1811)
  6th: Andrew Carmichael (14 Feb 1811-18 Apr 1817)

Earl of Iddesleigh    [United Kingdom, 1885]
  1st: Stafford Henry Northcote (3 Jul 1885-12 Jan 1887)
  2nd: Walter Stafford Northcote (12 Jan 1887-26 May 1927)
  3rd: Henry Stafford Northcote (26 Mar 1927-16 Feb 1970)
  4th: Stafford Henry Northcote (16 Feb 1970-8 Jul 2004)
  5th: John Stafford Northcote (8 Jul 2004- )

Earl of Ilay    [Scotland, 1706]
  1st: Archibald Campbell (19 Oct 1706-15 Apr 1761) This title was orignally going to be named Dundee, but the Earl of Montrose objected strongly

Earl of Ilchester    [Great Britain, 1756]
  1st: Stephen Fox-Strangways (17 Jun 1756-29 Sep 1776) with special remainder to his brother Henry
  2nd: Henry Thomas Fox-Strangways (29 Sep 1776-5 Sep 1802)
  3rd: Henry Stephen Fox-Strangways (5 Sep 1802-3 Jan 1858)
  4th: William Thomas Horner Fox-Strangways (3 Jan 1858-10 Jan 1865)
  5th: Henry Edward Fox-Strangways (10 Jan 1865-6 Dec 1905)
  6th: Giles Stephen Holland Fox-Strangways (6 Dec 1905-29 Oct 1959)
  7th: Edward Henry Charles James Fox-Strangways (29 Oct 1959-21 Aug 1964)
  8th: Walter Angelo Fox-Strangways (21 Aug 1964-4 Oct 1970)
  9th: Maurice Vivian de Touffreville Fox-Strangways (4 Oct 1970-2 Jul 2006)
10th: Robin Maurice Fox-Strangways (2 Jul 2006- )

Earl of Inchcape    [United Kingdom, 1929]
  1st: James Lyle Mackay (20 Jun 1929-23 May 1932)
  2nd: Kenneth Mackay (23 May 1932-21 Jun 1939)
  3rd: Kenneth James William Mackay (21 Jun 1939-17 Mar 1994)
  4th: Kenneth Peter Lyle Mackay (17 Mar 1994- )

Earl of Inchiquin    [Ireland, 1634]
  2nd: William O'Brien (9 Sep 1674-Jan 1692)
  3rd: William O'Brien (Jan 1692-24 Dec 1719)
  4th: William O'Brien (24 Dec 1719-18 Jul 1777)
  5th: Murrough O'Brien (18 Jul 1777-10 Feb 1808)
  6th: William O'Brien (10 Feb 1808-21 Aug 1846)
  7th: James O'Brien (21 Aug 1846-3 Jul 1855)

Earl of Inchiquin    [Ireland, 1654]
  1st: Morrogh O'Brien (21 Oct 1654-9 Sep 1674)

Earl Innes    [United Kingdom, 1837]
  1st: James Henry Robert Innes-Ker (11 Aug 1837-23 Apr 1879)
  2nd: James Henry Robert Innes-Ker (23 Apr 1879-23 Oct 1892)
  3rd: Henry John Innes-Ker (23 Oct 1892-29 Sep 1932)
  5th: Guy David Innes-Ker (26 Sep 1974- )

Earl of Inverness    [United Kingdom, 1801]
  1st: Augustus Frederick Hanover (27 Nov 1801-22 Apr 1843)

Earl of Inverness    [United Kingdom, 1920]
  1st: George VI Windsor (3 Jun 1920-6 Feb 1952)

Earl of Inverness    [United Kingdom, 1986]
  1st: Andrew Albert Christian Edward Windsor (23 Jul 1986- )

Earl of Irvine    [Scotland, 1642]
  1st: James Campbell (1642-Sep 1645)

Earl of Iveagh    [United Kingdom, 1919]
  1st: Edward Cecil Guinness (30 Sep 1919-7 Oct 1927)
  2nd: Rupert Edward Cecil Lee Guinness (7 Oct 1927-14 Sep 1967)
  3rd: Arthur Francis Benjamin Guinness (14 Sep 1967-c 18 Jun 1992)
  4th: Arthur Edward Rory Guinness (1992- )

Earl Jellicoe    [United Kingdom, 1925]
  1st: John Henry Rushworth Jellicoe (29 Jun 1925-20 Nov 1935)
  2nd: George Patrick John Rushworth Jellicoe (20 Nov 1935-22 Feb 2007)
  3rd: Patrick John Bernard Jellicoe (22 Feb 2007- )

Earl Jermyn of Horningsheath, Suffolk    [United Kingdom, 1826]
  1st: Frederick William Hervey (30 Jun 1826-15 Feb 1859)
  2nd: Frederick William Hervey (15 Feb 1859-30 Oct 1864)
  3rd: Frederick William John Hervey (30 Oct 1864-7 Aug 1907)
  4th: Frederick William Fane Hervey (7 Aug 1907-24 Oct 1951)
  5th: Herbert Arthur Robert Hervey (24 Oct 1951-5 Apr 1960)
  6th: Victor Frederick Cochrane Hervey (5 Apr 1960-10 Mar 1985)
  7th: Frederick William John Augustus Hervey (10 Mar 1985-10 Jan 1999)
  8th: Frederick William Augustus Hervey (10 Jan 1999- )

Earl of the Island of Jersey    [England, 1697]
  1st: Edward Villiers (13 Oct 1697-25 Aug 1711)
  2nd: William Villiers (25 Aug 1711-13 Jul 1721)
  3rd: William Villiers (13 Jul 1721-28 Aug 1769)
  4th: George Bussy Villiers (28 Aug 1769-22 Aug 1805)
  5th: George Child-Villiers (22 Aug 1805-3 Oct 1859)
  6th: George Augustus Frederick Child-Villiers (3 Oct 1859-24 Oct 1859)
  7th: Victor Albert George Child-Villiers (24 Oct 1859-31 May 1915)
  8th: George Henry Robert Child-Villiers (31 May 1915-31 Dec 1923)
  9th: George Francis Child-Villiers (31 Dec 1923-9 Aug 1998)
10th: George Francis William Child-Villiers (19 Mar 1998- )

Earl Jowitt    [United Kingdom, 1951]
  1st: William Allen Jowitt (24 Dec 1951-16 Aug 1957)

Earl of Kellie    [Scotland, 1619]
  1st: Thomas Erskine (12 Mar 1619-12 Jun 1639) with special remainder to heirs male bearing the name and arms of Erskine
  2nd: Thomas Erskine (12 Jun 1639-3 Feb 1643)
  3rd: Alexander Erskine (11 Feb 1633-May 1677)
  4th: Alexander Erskine (14 Sep 1677-8 Mar 1710)
  5th: Alexander Erskine (8 Mar 1710-3 Apr 1756)
  6th: Thomas Alexander Erskine (3 Apr 1756-9 Oct 1781)
  7th: Archibald Erskine (9 Oct 1781-8 May 1797)
  8th: Charles Erskine (8 May 1797-28 Oct 1799)
  9th: Thomas Erskine (28 Oct 1799-6 Feb 1828)
10th: Methven Erskine (6 Feb 1828-3 Dec 1829)
11th: John Francis Miller Erskine (3 Dec 1829-19 Jun 1866) after he established his right to this title on 3 September 1835
12th: Walter Coningsby Erskine (19 Jun 1866-15 Jan 1872)
13th: Walter Henry Erskine (15 Jan 1872-16 Sep 1888)
14th: Walter John Francis Erskine (16 Sep 1888-3 Jun 1955)
15th: John Francis Hervey Erskine (3 Jun 1955-22 Dec 1993)
16th: James Thorne Erskine (22 Dec 1993- )

Earl of Kelso    [Scotland, 1707]
  1st: John Ker (25 Apr 1707-27 Feb 1741) with special remainder to his heirs male
  2nd: Robert Ker (27 Feb 1741-20 Aug 1755)
  3rd: John Ker (20 Aug 1755-19 Mar 1804)
  4th: William Bellenden-Ker (19 Mar 1804-22 Oct 1805)
  5th: James Innes-Ker (22 Oct 1805-19 Jul 1823)
  6th: James Henry Robert Innes-Ker (19 Jul 1823-23 Apr 1879)
  7th: James Henry Robert Innes-Ker (23 Apr 1879-23 Oct 1892)
  8th: Henry John Innes-Ker (23 Oct 1892-29 Sep 1932)
  9th: George Victor Robert John Innes-Ker (29 Sep 1932-26 Sep 1974)
10th: Guy David Innes-Ker (26 Sep 1974- )

Earl of Kendal    [England, 1443]
  1st: John Beaufort (28 Aug 1443-27 May 1444)

Earl of Kenmare    [Ireland, 1801]
  1st: Valentine Browne (2 Jan 1801-3 Oct 1812)
  2nd: Valentine Browne (3 Oct 1812-31 Oct 1853)
  3rd: Thomas Browne (31 Oct 1853-26 Dec 1871)
  4th: Valentine Augustus Browne (26 Dec 1871-9 Feb 1905)
  5th: Valentine Charles Browne (9 Feb 1905-14 Nov 1941)
  6th: Valentine Edward Charles Browne (14 Nov 1941-20 Sep 1943)
  7th: Gerald Ralph Desmond Browne (20 Sep 1943-14 Feb 1952)

Earl of Kennington    [Great Britain, 1726]
  1st: William Augustus Hanover (27 Jul 1726-31 Oct 1765)

Earl of Kent    [England, 1321]
  1st: Edmund Woodstock (28 Jul 1321-19 Mar 1330)
  2nd: Edmund Plantagenet (7 Dec 1330-b 5 Oct 1331)
  3rd: John Plantagenet (10 Apr 1351-26 Dec 1352)
  4th: Joan Kent (26 Dec 1352-8 Aug 1385)
  5th: Thomas Holand (8 Aug 1385-25 Apr 1397)
  6th: Thomas Holand (26 Apr 1397-fr 1400-1400)
  7th: Edmund Holand (8 Jan 1400-15 Sep 1408)

Earl of Kent    [England, 1360]
  1st: Thomas Holand (20 Nov 1360-c 27 Dec 1360) although he died before the Parliament he was summoned to met
  2nd: Thomas Holand (27 Dec 1360-25 Apr 1397)
  3rd: Thomas Holand (26 Apr 1397-fr 1400-1400)
  4th: Edmund Holand (8 Jan 1400-15 Sep 1408)

Earl of Kent    [England, 1461]
  1st: William Neville (1 Nov 1461-9 Jan 1463)

Earl of Kent    [England, 1465]
  1st: Edmund Grey (30 May 1465-22 May 1490)
  2nd: George Grey (22 May 1490-21 Dec 1503)
  3rd: Richard Grey (25 Dec 1503-3 May 1523)
  4th: Henry Grey (3 May 1524-24 Sep 1562)
  5th: Reginald Grey (28 Mar 1572-17 Mar 1573) after being called to the Hosue of Lords on this date
  6th: Henry Grey (17 Mar 1573-31 Jan 1615)
  7th: Charles Grey (31 Jan 1615-28 Sep 1623)
  8th: Henry Grey (26 Sep 1623-21 Nov 1639)
  9th: Anthony Grey (21 Nov 1639-9 Nov 1643)
10th: Henry Grey (9 Nov 1643-28 May 1651)
11th: Anthony Grey (28 May 1651- )

Earl of Kent    [United Kingdom, 1866]
  1st: Alfred Ernest Albert Saxe-Coburg and Gotha (24 May 1866-30 Jul 1900)

Earl Ker of Wakefield, co. York    [Great Britain, 1722]
  1st: Robert Ker (24 May 1722-20 Aug 1755)
  2nd: John Ker (20 Aug 1755-19 Mar 1804)

Earl of Kerry    [Ireland, 1723]
  1st: Thomas FitzMaurice (17 Jan 1723-16 Mar 1741)
  2nd: William FitzMaurice (16 Mar 1741-4 Apr 1747)
  3rd: Francis Thomas FitzMaurice (4 Apr 1747-4 Jul 1818)
  4th: Henry Petty-FitzMaurice (4 Jul 1818-31 Jan 1863)
  5th: Henry Petty-FitzMaurice (31 Jan 1863-5 Jul 1866)
  6th: Henry Charles Keith Petty-FitzMaurice (5 Jul 1866-3 Jun 1927)
  7th: Henry William Edmund Petty-FitzMaurice (3 Jun 1927-5 Mar 1936)
  8th: Charles Hope Petty-FitzMaurice (5 Mar 1936-20 Aug 1944)
  9th: George John Charles Mercer Nairne Petty-FitzMaurice (20 Aug 1944-25 Aug 1999)
10th: Charles Maurice Petty-FitzMaurice (25 Aug 1999- )

Earl of Kildare    [Ireland, 1316]
  1st: John FitzThomas FitzGerald (14 May 1316-12 Sep 1316)
  2nd: Thomas FitzJohn FitzGerald (12 Sep 1316-5 Apr 1328)
  3rd: Richard FitzGerald (9 Apr 1328-7 Jul 1333)
  4th: Maurice FitzThomas FitzGerald (7 Jul 1333-15 Aug 1390)
  5th: Gerald FitzMaurice FitzGerald (15 Aug 1390-16 Oct 1432)
  6th: John fitz Maurice FitzGerald (16 Oct 1432-b 1434) de jure
  7th: Thomas FitzMaurice FitzGerald (b 1436-25 Mar 1477)
  8th: Gerald FitzGerald (25 Mar 1477-3 Sep 1513)
  9th: Gerald FitzGerald (3 Sep 1513-13 Dec 1534)
10th: Thomas Fitzgerald (13 Dec 1534-3 Feb 1537)
11th: Gerald FitzGerald (23 Feb 1569-16 Nov 1585) restored by Act of Parliament
12th: Henry FitzGerald (16 Nov 1585-1 Aug 1597)
13th: William FitzGerald (1 Aug 1597-c Apr 1599)
14th: Gerald FitzGerald (Apr 1599-11 Feb 1612)
15th: Gerald FitzGerald (11 Feb 1612-11 Nov 1620)
16th: George FitzGerald (11 Nov 1620-1660)
17th: Wentworth FitzGerald (1660-5 Mar 1664)
18th: John FitzGerald (5 Mar 1664-9 Nov 1707)
19th: Robert FitzGerald (9 Nov 1707-20 Feb 1744)
20th: James FitzGerald (20 Feb 1744-19 Nov 1773)
21st: William Robert FitzGerald (19 Nov 1773-20 Oct 1804)
22nd: Augustus Frederick FitzGerald (20 Oct 1804-10 Oct 1874)
23rd: Charles William FitzGerald (10 Oct 1874-10 Feb 1887)
24th: Gerald FitzGerald (10 Feb 1887-1 Dec 1893)
25th: Maurice FitzGerald (1 Dec 1893-4 Feb 1922)
26th: Edward FitzGerald (4 Feb 1922-8 Mar 1976)
27th: Gerald FitzGerald (8 Mar 1976-3 Dec 2004)
28th: Maurice FitzGerald (3 Dec 2004- )

Earl of Kildare    [Ireland, 1554]
  1st: Gerald FitzGerald (13 May 1554-16 Nov 1585)
  2nd: Henry FitzGerald (16 Nov 1585-1 Aug 1597)
  3rd: William FitzGerald (1 Aug 1597-c Apr 1599)

Earl of Kilkenny    [Ireland, 1793]
  1st: Edmund Butler (2 Dec 1793-16 Jul 1846)

Earl of Kilmarnock    [Scotland, 1661]
  1st: William Boyd (17 Aug 1661-Mar 1692)
  2nd: William Boyd (Mar 1692-20 May 1692)
  3rd: William Boyd (29 May 1692-Sep 1717)
  4th: William Boyd (Sep 1717-18 Aug 1746)

Earl of Kilmorey    [Ireland, 1822]
  1st: Francis Needham (5 Feb 1822-21 Nov 1832)
  2nd: Francis Needham (21 Nov 1832-20 Jun 1880)
  3rd: Francis Charles Needham (20 Jun 1880-28 Jul 1915)
  4th: Francis Charles Adelbert Henry Needham (28 Jul 1915-11 Jan 1961)
  5th: Francis Jack Richard Patrick Needham (11 Jan 1961-12 Apr 1977)
  6th: Richard Francis Needham (12 Apr 1977- ) although he does not use his title

Earl of Kilmuir    [United Kingdom, 1962]
  1st: David Patrick Maxwell Fyfe (20 Jul 1962-Jan 1967)

Earl of Kimberley, of Kimberley, co. Norfolk    [United Kingdom, 1866]
  1st: John Wodehouse (1 Jun 1866-8 Apr 1902)
  2nd: John Wodehouse (8 Apr 1902-7 Jan 1932)
  3rd: John Wodehouse (7 Jan 1932-16 Apr 1941)
  4th: John Wodehouse (16 Apr 1941-26 May 2002)
  5th: John Armine Wodehouse (26 May 2002- )

Earl of Kincardine    [Scotland, 1644]
  1st: James Graham (6 May 1644-21 May 1650)
  2nd: James Graham (21 May 1650-Feb 1669)
  3rd: James Graham (Feb 1669-25 Apr 1684)
  4th: James Graham (25 Apr 1684-7 Jan 1742)
  5th: William Graham (7 Jan 1742-23 Sep 1790)
  6th: James Graham (23 Sep 1790-30 Dec 1836)
  7th: James Graham (30 Dec 1836-30 Dec 1874)
  8th: Douglas Beresford Malise Ronald Graham (30 Dec 1874-10 Dec 1925)
  9th: James Graham (Dec 1925-20 Jan 1954)
10th: James Angus Graham (20 Jan 1954-10 Feb 1992)
11th: James Graham (1992- )

Earl of Kincardine    [Scotland, 1647]
  1st: Edward Bruce (26 Dec 1647-1662)
  2nd: Alexander Bruce (1662-9 Jul 1680)
  3rd: Alexander Bruce (9 Jul 1680-10 Nov 1705)
  4th: Alexander Bruce (10 Nov 1705-10 Oct 1706)
  5th: Robert Bruce (10 Oct 1706-1718)
  6th: Alexander Bruce (1718-1721)
  7th: Thomas Bruce (1721-23 Mar 1740)
  8th: William Bruce (23 Mar 1740-8 Sep 1740)
  9th: Charles Bruce (8 Sep 1740-14 May 1771)
10th: William Robert Bruce (14 May 1771-15 Jul 1771)
11th: Thomas Bruce (15 Jul 1771-14 Nov 1841)
12th: James Bruce (14 Nov 1841-20 Nov 1863)
13th: Victor Alexander Bruce (20 Nov 1863-18 Jan 1917)
14th: Edward James Bruce (18 Jan 1917-27 Nov 1968)
15th: Andrew Douglas Alexander Thomas Bruce (27 Nov 1968- )

Earl of Kincardine    [Scotland, 1707]
  1st: James Graham (24 Apr 1707-7 Jan 1742)
  2nd: William Graham (7 Jan 1742-23 Sep 1790)
  3rd: James Graham (23 Sep 1790-30 Dec 1836)
  4th: James Graham (30 Dec 1836-30 Dec 1874)
  5th: Douglas Beresford Malise Ronald Graham (30 Dec 1874-10 Dec 1925)
  6th: James Graham (Dec 1925-20 Jan 1954)
  7th: James Angus Graham (20 Jan 1954-10 Feb 1992)
  8th: James Graham (1992- )

Earl of Kingston    [Ireland, 1768]
  1st: Edward King (25 Aug 1768-8 Nov 1797)
  2nd: Robert King (8 Nov 1797-17 Apr 1799)
  3rd: George King (17 Apr 1799-18 Oct 1839)
  4th: Robert Henry King (18 Oct 1839-21 Jan 1867)
  5th: James King (21 Jan 1867-8 Sep 1869)
  6th: Robert King (8 Sep 1869-16 Oct 1869)
  7th: Robert Edward King (16 Oct 1869-21 Jun 1871)
  8th: Henry Newcomen King-Tenison (21 Jun 1871-13 Jan 1896)
  9th: Henry Edwyn King-Tenison (13 Jan 1896-11 Jan 1946)
10th: Robert Henry Ethelbert King-Tenison (11 Jan 1946-17 Jul 1948)
11th: Barclay Robert Edwin King-Tenison (17 Jul 1948-19 Mar 2002)
12th: Robert Charles Henry King-Tenison (19 Mar 2002- )

Earl of Kinnoull    [Scotland, 1633]
  1st: George Hay (25 May 1633-16 Dec 1634) with a special remainder to heirs male whatsoever
  2nd: George Hay (16 Dec 1634-5 Oct 1644)
  3rd: George Hay (5 Oct 1644-c 20 Nov 1649)
  4th: William Hay (c 20 Nov 1649-c Mar 1677)
  5th: George Hay (c May 1677-1687)
  6th: William Hay (1687-10 May 1709)
  7th: Thomas Hay (10 May 1709-5 Jan 1719)
  8th: George Henry Hay (5 Jan 1719-28 Jul 1758)
  9th: Thomas Hay (29 Jul 1758-27 Dec 1787)
10th: Robert Auriol Hay-Drummond (27 Dec 1787-12 Apr 1804)
11th: Thomas Robert Hay-Drummond (12 Apr 1804-18 Feb 1866)
12th: George Hay-Drummond (18 Feb 1866-30 Jan 1897)
13th: Archibald FitzRoy George Hay-Drummond (30 Jan 1897-7 Feb 1916)
14th: George Harley Hay-Drummond (7 Feb 1916-18 Mar 1938)
15th: Arthur William George Patrick Hay (18 Mar 1938-7 Jun 2013)
16th: Charles William Harley Hay (7 Jun 2013- )

Earl of Kinrara, co. Inverness    [United Kingdom, 1876]
  1st: Charles Henry Gordon-Lennox (13 Jan 1876-27 Sep 1903)
  2nd: Charles Henry Gordon-Lennox (27 Sep 1903-18 Jan 1928)
  3rd: Charles Henry Gordon-Lennox (18 Jan 1928-7 May 1935)
  4th: Frederick Charles Gordon-Lennox (7 May 1935-2 Nov 1989)
  5th: Charles Henry Gordon-Lennox (1989-1 Sep 2017)
  6th: Charles Henry Gordon-Lennox (1 Sep 2017- )

Earl of Kintore    [Scotland, 1677]
  1st: John Keith (26 Jun 1677-12 Apr 1715)
  2nd: William Keith (12 Apr 1715-5 Dec 1718)
  3rd: John Keith (5 Dec 1718-22 Nov 1758)
  4th: William Keith (22 Nov 1758-22 Nov 1761)
  5th: Anthony Adrian Keith-Falconer (23 May 1778-30 Aug 1804) but for an attainder
  6th: William Keith-Falconer (30 Aug 1804-1812)
  7th: Anthony Adrian Keith-Falconer (1812-11 Jul 1844)
  8th: Francis Alexander Keith-Falconer (11 Jul 1844-18 Jul 1880)
  9th: Algernon Hawkins Thomond Keith-Falconer (18 Jul 1880-3 Mar 1930)
10th: Arthur George Keith-Falconer (3 Mar 1930-25 May 1966)
11th: Ethel Sydney Keith-Falconer (3 Mar 1930-21 Sep 1974) suo jure
12th: James Ian Keith (21 Sep 1974-1989)
13th: Michael Canning William John Keith (1989-30 Oct 2004)
14th: James William Falconer Keith (30 Oct 2004- )

Earl Kitchener of Khartoum and of Broome, of Khartoum and of Broome, co. Kent    [United Kingdom, 1914]
  1st: Horatio Herbert Kitchener (27 Jul 1914-5 Jun 1916) with the same special remainder as his 190 2title
  2nd: Henry Elliott Chevallier Kitchener (5 Jun 1916-27 Mar 1937)
  3rd: Henry Herbert Kitchener (27 Mar 1937-16 Dec 2011)

Earl of Lanark    [Scotland, 1639]
  1st: William Hamilton (31 Mar 1639-12 Sep 1651)
  2nd: Anne Hamilton (12 Sep 1651-17 Oct 1716)
  3rd: James Hamilton (9 Jul 1698-15 Nov 1712)
  4th: James Hamilton (15 Nov 1712-2 Mar 1743)
  5th: James Hamilton (2 Mar 1743-17 Jan 1758)
  6th: James George Hamilton (17 Jan 1758-7 Jul 1769)
  7th: Douglas Hamilton (7 Jul 1769-2 Aug 1799)
  8th: Archibald Hamilton (2 Aug 1799-16 Feb 1819)
  9th: Alexander Hamilton (16 Feb 1819-18 Aug 1852)
10th: William Alexander Anthony Archibald Hamilton (18 Aug 1852-15 Jul 1863)
11th: William Alexander Louis Stephen Douglas-Hamilton (15 Jul 1863-16 May 1895)
12th: Alfred Douglas Douglas-Hamilton (16 May 1895-16 Mar 1940)
13rd: Douglas Douglas-Hamilton (16 Mar 1940-30 Mar 1973)
14th: Angus Alan Douglas Douglas-Hamilton (30 Mar 1973-5 Jun 2010)
15th: Alexander Douglas Douglas-Hamilton (5 Jun 2010- )

Earl of Lathom, co. Lancaster    [United Kingdom, 1880]
  1st: Edward Bootle-Wilbraham (3 May 1880-19 Nov 1898)
  2nd: Edward George Bootle-Wilbraham (19 Nov 1898-15 Mar 1910)
  3rd: Edward William Bootle-Wilbraham (15 Mar 1910-6 Feb 1930)

Earl of Lauderdale    [Scotland, 1624]
  1st: John Maitland (14 Mar 1624-18 Jan 1645)
  2nd: John Maitland (18 Jan 1645-24 Aug 1682)
  3rd: Charles Maitland (24 Aug 1682-9 Jun 1691)
  4th: Richard Maitland (9 Jun 1691-1695)
  5th: John Maitland (1695-30 Aug 1710)
  6th: Charles Maitland (30 Aug 1710-15 Jul 1744)
  7th: James Maitland (15 Jul 1744-17 Aug 1789)
  8th: James Maitland (17 Aug 1789-15 Sep 1839)
  9th: James Maitland (15 Sep 1839-22 Aug 1860)
10th: Anthony Maitland (22 Aug 1860-22 Mar 1863)
11th: Thomas Maitland (22 Mar 1863-1 Sep 1878)
12th: Charles Barclay-Maitland (1 Sep 1878-13 Aug 1884)
13th: Frederick Henry Maitland (13 Aug 1884-1 Sep 1924)
14th: Frederick Colin Maitland (1 Sep 1924-14 Sep 1931)
15th: Ian Colin Maitland (14 Sep 1931-17 Feb 1953)
16th: Alfred Sydney Frederick Maitland (17 Feb 1953-27 Nov 1968)
17th: Patrick Francis Maitland (27 Nov 1968-2 Dec 2008)
18th: Ian Maitland (2 Dec 2008- )

Earl of Lauderdale    [Scotland, 1672]
  1st: John Maitland (26 Mar 1672-24 Aug 1682)

Earl of Leicester    [England, 1618]
  1st: Robert Sydney (2 Aug 1618-13 Jul 1626)
  2nd: Robert Sydney (13 Jul 1626-2 Nov 1677)
  3rd: Philip Sydney (2 Nov 1677-6 Mar 1698)
  4th: Robert Sydney (6 Mar 1698-11 Nov 1702)
  5th: Philip Sydney (11 Nov 1702-24 Jul 1705)
  6th: John Sydney (24 Jul 1705-27 Feb 1737)
  7th: Jocelyn Sydney (27 Feb 1737-7 Jul 1743)

Earl of Leicester    [Great Britain, 1744]
  1st: Thomas Coke (9 May 1744-20 Apr 1759)

Earl of Leicester    [Great Britain, 1784]
  1st: George Townshend (8 May 1784-27 Jul 1811)
  2nd: George Ferrars Townshend (27 Jul 1811-31 Dec 1855)

Earl of Leicester of Holkham, co. Norfolk    [United Kingdom, 1837]
  1st: Thomas William Coke (12 Aug 1837-30 Jun 1842)
  2nd: Thomas William Coke (30 Jun 1842-24 Jan 1909)
  3rd: Thomas William Coke (24 Jan 1909-19 Nov 1941)
  4th: Thomas William Coke (19 Nov 1941-21 Aug 1949)
  5th: Thomas William Edward Coke (21 Aug 1949-3 Sep 1976)
  6th: Anthony Louis Lovel Coke (3 Sep 1976-12 Aug 1994)
  7th: Edward Douglas Coke (1994-25 Apr 2015)

Earl of Leicester of Holkham, co. Norfolk    [United Kingdom, 1937]
  8th: Thomas Edward Coke (25 Apr 2015- )

Earl of Leinster    [Ireland, 1646]
  1st: Robert Cholmondeley (5 Mar 1646-2 Oct 1659)

Earl of Leitrim    [Ireland, 1795]
  1st: Robert Clements (30 Sep 1795-27 Jul 1804)
  2nd: Nathaniel Clements (27 Jul 1804-31 Dec 1854)
  3rd: William Sydney Clements (31 Dec 1854-2 Apr 1871)
  4th: Robert Bermingham Clements (2 Apr 1878-5 Apr 1892)
  5th: Charles Clements (5 Apr 1892-9 Jun 1952)

Earl of Lennox    [Scotland, 1150]
  1st: Alwyn (c 1150-c 1180)
  2nd: Alwin (c 1180-1216)

Earl of Lennox    [Scotland, 1473]
  1st: John Stuart (6 Aug 1473-bt 1495-1495)
  2nd: Matthew Stuart (Sep 1495-9 Sep 1513)
  3rd: John Stuart (9 Sep 1513-4 Sep 1526)
  4th: Matthew Stuart (1526-4 Sep 1571)

Earl of Lennox    [Scotland, 1572]
  1st: Charles Stuart (1572-1576)

Earl of Lennox    [Scotland, 1580]
  1st: Esmé Stuart (5 Mar 1580-26 May 1583)
  2nd: Ludovic Stuart (26 Mar 1583-16 Feb 1624)
  3rd: Esmé Stuart (16 Feb 1624-30 Jul 1624)
  4th: James Stuart (30 Jul 1624-30 Mar 1655)
  5th: Esme Stuart (30 Mar 1655-10 Aug 1660)
  6th: Charles Stuart (10 Aug 1660-12 Dec 1672)

Earl of Leslie    [Scotland, 1680]
  1st: John Leslie (29 May 1680-26 Jul 1681)

Earl of Leven    [Scotland, 1641]
  1st: Alexander Leslie (11 Oct 1641-4 Apr 1661)
  2nd: Alexander Leslie (4 Apr 1661-15 Jul 1664)
  3rd: Margaret Leslie (15 Jul 1664-6 Nov 1674)
  4th: Catherine Leslie (6 Nov 1674-21 Jan 1676)
  5th: David Leslie (27 Jul 1681-6 Jun 1728)
  6th: David Leslie (6 Jun 1728-Jun 1729)
  7th: Alexander Leslie (Jun 1729-2 Sep 1754)
  8th: David Leslie (2 Sep 1754-9 Jun 1802)
  9th: Alexander Leslie-Melville (9 Jun 1802-22 Feb 1820)
10th: David Leslie-Melville (22 Feb 1820-8 Oct 1860)
11th: John Thornton Leslie-Melville (8 Oct 1860-9 Sep 1876)
12th: Alexander Leslie-Melville (9 Sep 1876-22 Oct 1889)
13th: Ronald Ruthven Leslie Melville (22 Oct 1889-21 Aug 1906)
14th: John David Leslie Melville (21 Aug 1906-11 Jun 1913)
15th: Archibald Alexander Leslie Melville (11 Jun 1913-15 Jan 1947)
16th: Alexander Robert Leslie Melville (15 Jan 1947-7 Apr 2012)
17th: Alexander Ian Leslie Melville (7 Apr 2012- )

Earl of Lewes, Sussex    [United Kingdom, 1876]
  1st: William Nevill (14 Jan 1876-12 Dec 1915)
  2nd: Reginald William Bransby Nevill (12 Dec 1915-13 Oct 1927)
  3rd: Henry Gilbert Ralph Nevill (13 Oct 1927-10 Jan 1938)
  4th: Guy Temple Montacute Larnach-Nevill (10 Jan 1938-30 Mar 1954)
  5th: John Henry Guy Nevill (30 Mar 1954-23 Feb 2000)
  6th: Christopher George Charles Nevill (23 Feb 2000- )

Earl of Lichfield    [England, 1645]
  1st: Charles Stuart (10 Dec 1645-12 Dec 1672)

Earl of Lichfield, co. Stafford    [United Kingdom, 1831]
  1st: Thomas William Anson (15 Sep 1831-18 Mar 1854)
  2nd: Thomas George Anson (18 Mar 1854-7 Jan 1892)
  3rd: Thomas Francis Anson (7 Jan 1892-29 Jul 1918)
  4th: Thomas Edward Anson (29 Jul 1918-14 Sep 1960)
  5th: Thomas Patrick John Anson (14 Sep 1960-11 Nov 2005)
  6th: Thomas William Robert Hugh Anson (11 Nov 2005- )

Earl of Limerick    [Ireland, 1803]
  1st: Edmond Henry Pery (1 Jan 1803-7 Dec 1844)
  2nd: William Henry Tennison Pery (7 Dec 1844-5 Jan 1866)
  3rd: William Hale John Charles Pery (5 Jan 1866-8 Aug 1896)
  4th: William Henry Edmond de Vere Sheaffe Pery (8 Aug 1896-18 Mar 1929)
  5th: Edmund Colquhoun Pery (18 Mar 1929-4 Aug 1967)
  6th: Patrick Edmund Pery (4 Aug 1967-8 Jan 2003)
  7th: Edmund Christopher Pery (8 Jan 2003- )

Earl of Lincoln    [England, 1217]
  1st: Ranulf Blundeville (23 May 1217-c 27 Oct 1232)

Earl of Lincoln    [England, 1232]
  1st: John Lacy (22 Nov 1232-22 Jul 1240)
  1st: Hawise Chester (27 Oct 1232-c 1242) suo jure

Earl of Lincoln    [England, 1572]
  1st: Edward Clinton (4 May 1572-16 Jan 1585)
  2nd: Henry Clinton (16 Jan 1585-29 Sep 1616)
  3rd: Thomas Clinton (29 Sep 1616-15 Jan 1619)
  4th: Theophilus Clinton (15 Jan 1619-21 May 1667)
  5th: Edward Clinton (21 May 1667-25 Nov 1692)
  6th: Francis Clinton (25 Nov 1692-c Aug 1693)
  7th: Henry Clinton (c Aug 1693-7 Sep 1728)
  8th: George Clinton (7 Sep 1728-30 Apr 1730)
  9th: Henry Pelham-Clinton (30 Apr 1730-22 Feb 1794)
10th: Thomas Pelham-Clinton (22 Feb 1794-18 May 1795)
11th: Henry Pelham Pelham-Clinton (18 May 1795-12 Jan 1851)
12th: Henry Pelham Pelham-Clinton (12 Jan 1851-18 Oct 1864)
13th: Henry Pelham Alexander Pelham-Clinton (18 Oct 1864-22 Feb 1879)
14th: Henry Pelham Archibald Douglas Pelham-Clinton (22 Feb 1879-30 May 1928)
15th: Henry Francis Hope Pelham-Clinton-Hope (30 May 1928-20 Apr 1941)
16th: Henry Edward Hugh Pelham-Clinton-Hope (20 Apr 1941-4 Nov 1988)
17th: Edward Charles Pelham-Clinton (4 Nov 1988-25 Dec 1988)
18th: Edward Horace Fiennes-Clinton (25 Dec 1988-7 Jul 2001)
19th: Robert Edward Fiennes-Clinton (7 Jul 2001- )

Earl of Lindsay    [Scotland, 1633]
  1st: John Lindsay (8 May 1633-1678) with a special remainder to his heirs male bearing the name and arms of Lindsay
  2nd: William Lindsay (1678-6 Mar 1698)
  3rd: John Lindsay (6 Mar 1698-4 Jan 1714)
  4th: John Lindsay (4 Jan 1714-25 Dec 1749)
  5th: George Lindsay-Crawford (24 Dec 1749-11 Aug 1781)
  6th: George Lindsay-Crawford (11 Aug 1781-30 Jan 1808)
  7th: David Lindsay (30 Jan 1808-c May 1809) de jure
  8th: Patrick Lindsay (May 1809-14 Mar 1839) de jure
  9th: Henry Lindsay Bethune (14 Mar 1839-19 Feb 1851) de jure
10th: John Trotter Bethune (19 Feb 1851-12 May 1894)
11th: David Clarke Bethune (12 May 1894-20 Mar 1917)
12th: Reginald Lindesay-Bethune (20 Mar 1917-14 Jan 1939)
13th: Archibald Lionel Bethune (14 Jan 1939-15 Oct 1943)
14th: William Tucker Lindesay-Bethune (15 Oct 1943-1985)
15th: David Lindesay-Bethune (1985-1989)
16th: James Randolph Lindesay-Bethune (1989- )

Earl of Lindsey, co. Lincoln    [England, 1626]
  1st: Robert Bertie (22 Nov 1626-23 Oct 1642)
  2nd: Montagu Bertie (23 Oct 1642-25 Jul 1666)
  3rd: Robert Bertie (25 Jul 1666-8 May 1701)
  4th: Robert Bertie (8 May 1701-26 Jul 1723)
  5th: Peregrine Bertie (26 Jul 1723-1 Jan 1742)
  6th: Peregrine Bertie (1 Jan 1742-12 Aug 1778)
  7th: Robert Bertie (12 Aug 1778-8 Jul 1779)
  8th: Brownlow Bertie (8 Jul 1779-8 Feb 1809)
  9th: Albemarle Bertie (8 Feb 1809-17 Sep 1818)
10th: George Augustus Frederick Albemarle Bertie (18 Sep 1818-21 Mar 1877)
11th: Montagu Peregrine Bertie (21 Mar 1877-29 Jan 1899)
12th: Montagu Peregrine Albemarle Bertie (29 Jan 1899-2 Jan 1938)
13th: Montagu Henry Edmund Cecil Towneley-Bertie (2 Jan 1938-11 Sep 1963)
14th: Richard Henry Rupert Bertie (11 Sep 1963- )

Earl of Lisburne, co. Antrim    [Ireland, 1776]
  1st: Wilmot Vaughan (18 Jul 1776-6 Jan 1800)
  2nd: Wilmot Vaughan (6 Jan 1800-6 May 1820)
  3rd: John Vaughan (6 May 1820-18 May 1831)
  4th: Ernest Augustus Vaughan (18 May 1831-8 Nov 1873)
  5th: Ernest Augustus Malet Vaughan (8 Nov 1873-31 Mar 1888)
  6th: George Henry Arthur Vaughan (31 Mar 1888-4 Sep 1899)
  7th: Ernest Edmund Henry Malet Vaughan (4 Sep 1899-30 Jun 1965)
  8th: John David Malet Vaughan (30 Jun 1965-2 Sep 2014)
  9th: David John Francis Malet Vaughan (2 Sep 2014- )

Earl of Listowel    [Ireland, 1822]
  1st: William Hare (5 Feb 1822-13 Jul 1837)
  2nd: William Hare (13 Jul 1837-4 Feb 1856)
  3rd: William Hare (4 Feb 1856-5 Jun 1924)
  4th: Richard Granville Hare (5 Jun 1924-16 Nov 1931)
  5th: William Francis Hare (16 Nov 1931-12 Mar 1997)
  6th: Francis Michael Hare (12 Mar 1997- )

Earl of Liverpool    [Great Britain, 1796]
  1st: Charles Jenkinson (1 Jun 1796-17 Dec 1808)
  2nd: Robert Bankes Jenkinson (7 Dec 1808-4 Dec 1828)
  3rd: Charles Cecil Cope Jenkinson (4 Dec 1828-3 Sep 1851)

Earl of Liverpool    [United Kingdom, 1905]
  1st: Cecil George Saville Foljambe (2 Dec 1905-23 Mar 1907)
  2nd: Arthur William de Brito Savile Foljambe (23 Mar 1907-15 May 1941)
  3rd: Gerald William Frederick Savile Foljambe (15 May 1941-27 Jul 1967)
  4th: Robert Anthony Edward St. Andrew Savile Foljambe (27 Jul 1962-13 Mar 1969)
  5th: Edward Peter Bertram Savile Foljambe (13 Mar 1969- )

Earl Lloyd George of Dwyfor    [United Kingdom, 1945]
  1st: David Lloyd George (12 Feb 1945-26 Mar 1945)
  2nd: Richard Lloyd George (26 Mar 1945-1 May 1968)
  3rd: Owen Lloyd George (1 May 1968-29 Jul 2010)
  4th: David Richard Owen Lloyd George (29 Jul 2010- )

Earl of Londesborough, in the North Riding, co. Yorks    [United Kingdom, 1887]
  1st: William Henry Forester Denison (1 Jul 1887-19 Apr 1900)
  2nd: William Francis Henry Denison (19 Apr 1900-30 Oct 1917)
  3rd: George Francis William Henry Denison (30 Oct 1917-12 Sep 1920)
  4th: Hugo William Cecil Denison (12 Sep 1920-17 Apr 1937)

Earl of Londonderry    [Ireland, 1622]
  1st: Thomas Ridgway (23 Aug 1622-24 Jan 1632)

Earl of Londonderry    [Ireland, 1796]
  1st: Robert Stewart (8 Aug 1796-8 Apr 1821)
  2nd: Robert Stewart (6 Apr 1821-12 Aug 1822)
  3rd: Charles William Vane (12 Aug 1822-6 Mar 1854)
  4th: Frederick William Robert Stewart (6 Mar 1854-25 Nov 1872)
  5th: George Henry Robert Charles William Vane-Tempest (25 Nov 1872-6 Nov 1884)
  6th: Charles Stewart Vane-Tempest-Stewart (6 Nov 1884-8 Feb 1915)
  7th: Charles Stewart Henry Vane-Tempest-Stewart (8 Feb 1915-11 Feb 1949)
  8th: Edward Charles Robert Vane-Tempest-Stewart (11 Feb 1949-17 Oct 1955)
  9th: Alexander Charles Robert Vane-Tempest-Stewart (17 Oct 1955-20 Jun 2012)
10th: Frederick Aubrey Vane-Tempest-Stewart (20 Jun 2012- )

Earl Longford    [Ireland, 1785]
  1st: Elizabeth Cuffe (20 Jun 1785-27 Jan 1794) suo jure
  2nd: Thomas Pakenham (27 Jan 1794-24 May 1835)
  3rd: Edward Michael Pakenham (24 May 1835-27 Mar 1860)
  4th: William Lygon Pakenham (27 Mar 1860-19 Apr 1887)
  5th: Thomas Pakenham (19 Apr 1887-21 Aug 1915)
  6th: Edward Arthur Henry Pakenham (21 Aug 1915-4 Feb 1961)
  7th: Francis Aungier Pakenham (4 Feb 1961-3 Aug 2001)
  8th: Thomas Frank Dermot Pakenham (3 Aug 2001- )

Earl of Lonsdale, co. Westmorland    [United Kingdom, 1807]
  1st: William Lowther (7 Apr 1807-19 Mar 1844)
  2nd: William Lowther (19 Mar 1844-4 Mar 1872)
  3rd: Henry Lowther (4 Mar 1872-15 Aug 1876)
  4th: St. George Henry Lowther (15 Aug 1876-8 Feb 1882)
  5th: Hugh Cecil Lowther (8 Feb 1882-13 Apr 1944)
  6th: Lancelot Edward Lowther (13 Apr 1944-11 Mar 1953)
  7th: James Hugh William Lowther (6 Oct 1949-23 May 2006)
  8th: Hugh Clayton Lowther (23 May 2006- )

Earl of Lonsdale, co. Westmorland and co. Palatine of Lancaster    [Great Britain, 1784]
  1st: James Lowther (24 May 1784-24 May 1802)

Earl Loreburn, of Dumfries, co. Dumfries    [United Kingdom, 1911]
  1st: Robert Threshie Reid (4 Jul 1911-30 Nov 1923)

Earl of Lothian    [Scotland, 1606]
  1st: Mark Kerr (10 Jul 1606-8 Apr 1609) with remainder to his heirs male
  2nd: Robert Kerr (8 Apr 1609-6 Mar 1624)

Earl of Lothian    [Scotland, 1631]
  1st: William Kerr (31 Oct 1631-Oct 1675)
  2nd: Robert Kerr (Oct 1675-15 Feb 1703)
  3rd: William Kerr (15 Feb 1703-28 Feb 1722)
  4th: William Kerr (28 Feb 1722-28 Jul 1767)
  5th: William Henry Kerr (28 Jul 1767-12 Apr 1775)
  6th: William John Kerr (12 Apr 1775-4 Jan 1815)
  7th: William Kerr (4 Jan 1815-27 Apr 1824)
  8th: John William Robert Kerr (27 Apr 1824-14 Nov 1841)
  9th: William Schomberg Robert Kerr (14 Nov 1841-4 Jul 1870)
10th: Schomberg Henry Kerr (6 Jul 1870-17 Jan 1900)
11th: Robert Henry Schomberg Kerr (17 Jan 1900-16 Mar 1930)
12th: Philip Henry Kerr (16 Mar 1930-12 Dec 1940)
13th: Peter Francis Walter Kerr (12 Dec 1940-11 Oct 2004)
14th: Michael Andrew Foster Jude Kerr (11 Oct 2004- )

Earl of Loudoun    [Scotland, 1633]
  1st: John Campbell (12 May 1633-15 Mar 1662)
  2nd: James Campbell (15 Mar 1662-1684)
  3rd: Hugh Campbell (1684-20 Nov 1731)
  4th: John Campbell (20 Nov 1731-27 Apr 1782)
  5th: James Mure-Campbell (27 Apr 1782-28 Apr 1786)
  6th: Flora Campbell (28 Apr 1786-8 Jan 1840)
  7th: George Augustus Francis Rawdon-Hastings (8 Jan 1840-13 Jan 1844)
  8th: Paulyn Reginald Serlo Rawdon-Hastings (13 Jan 1844-17 Jan 1851)
  9th: Henry Weysford Charles Plantagenet Rawdon-Hastings (bt 1851-1851-10 Nov 1868)
10th: Edith Maud Rawdon-Hastings (10 Nov 1868-23 Jan 1874) suo jure
11th: Charles Edward Rawdon-Hastings (23 Jan 1874-17 May 1920)
12th: Edith Maud Rawdon-Hastings (23 Feb 1923-24 Feb 1960) suo jure
13th: Barbara Huddleston Abney-Hastings (24 Feb 1960-1 Nov 2002)
14th: Michael Edward Abney-Hastings (1 Nov 2002-30 Jun 2012)
15th: Simon Michael Abney-Hastings (30 Jun 2012- )

Earl of Louth    [Ireland, 1319]
  1st: John Bermingham (12 May 1319-10 Jun 1329)

Earl of Louth    [Ireland, 1759]
  1st: Thomas Bermingham (23 Apr 1759-11 Jan 1799)

Earl of Lovelace    [United Kingdom, 1838]
  1st: William King-Noel (30 Jun 1838-29 Dec 1893)
  2nd: Ralph Gordon Noel King-Milbanke (29 Dec 1893-28 Aug 1906)
  3rd: Lionel Fortescue King (28 Aug 1906-5 Oct 1929)
  4th: Peter Malcolm King (5 Oct 1929-4 Dec 1964)
  5th: Peter Axel William Locke King (4 Dec 1964- )

Earl of Lucan    [Ireland, 1795]
  1st: Charles Bingham (1 Oct 1795-29 Mar 1799)
  2nd: Richard Bingham (2 Mar 1799-30 Jun 1839)
  3rd: George Charles Bingham (30 Jun 1839-10 Nov 1888)
  4th: Charles George Bingham (10 Nov 1888-5 Jun 1914)
  5th: George Charles Bingham (5 Jun 1914-20 Apr 1949)
  6th: George Charles Patrick Bingham (20 Apr 1949-21 Jan 1964)
  7th: Richard John Bingham (21 Jan 1964-a Nov 1974)
  8th: George Charles Bingham (11 Dec 1992- )

Earl of Lytton, in the County of Derby    [United Kingdom, 1880]
  1st: Edward Robert Bulwer-Lytton (28 Apr 1880-24 Nov 1891)
  2nd: Victor Alexander George Robert Bulwer-Lytton (24 Nov 1891-25 Oct 1947)
  3rd: Neville Stephen Lytton (25 Oct 1947-9 Feb 1951)
  4th: Noel Anthony Scawen Lytton-Milbanke (9 Feb 1951-18 Jan 1985)
  5th: John Peter Michael Scawen Lytton (18 Jan 1985- )

Earl of Macclesfield, co. Chester    [Great Britain, 1721]
  1st: Thomas Parker (15 Nov 1721-28 Apr 1732)
  2nd: George Parker (21 Feb 1747-17 Mar 1764)
  3rd: Thomas Parker (17 Mar 1764-9 Feb 1795)
  4th: George Parker (9 Feb 1795-20 Mar 1842)
  5th: Thomas Parker (20 Mar 1842-31 Mar 1850)
  6th: Thomas Augustus Wolstenholme Parker (31 Mar 1850-24 Jul 1896)
  7th: George Loveden William Henry Parker (24 Jul 1896-20 Sep 1975)
  8th: George Roger Alexander Thomas Parker (20 Sep 1975-7 Dec 1992)
  9th: Richard Timothy George Mansfield Parker (7 Dec 1992- )

Earl of Macduff, co. Banff    [United Kingdom, 1900]
  1st: Alexander William George Duff (24 Apr 1900-29 Jan 1912) with a special remainder to his daughters
  2nd: Alexandra Victoria Alberta Edwina Louise Duff (29 Jan 1912-26 Feb 1959)
  3rd: James George Alexander Bannerman Carnegie (26 Feb 1959-22 Jun 2015)
  4th: David Charles Carnegie (22 Jun 2015- )

Earl of Madeley, co. Stafford    [United Kingdom, 1911]
  1st: Robert Offley Ashburton Crewe-Milnes (22 Jun 1911-20 Jun 1945)

Earl of Malmesbury    [Great Britain, 1800]
  1st: James Harris (29 Dec 1800-21 Nov 1820)
  2nd: James Edward Harris (21 Nov 1820-10 Sep 1841)
  3rd: James Howard Harris (10 Sep 1841-17 May 1889)
  4th: Edward James Harris (17 Jul 1888-19 May 1899)
  5th: James Edward Harris (19 May 1899-12 Jun 1950)
  6th: William James Harris (12 Jun 1950-11 Nov 2000)
  7th: James Carleton Harris (11 Nov 2000- )

Earl of Manchester, co. Lancaster    [England, 1626]
  1st: Henry Montagu (5 Feb 1626-7 Nov 1642)
  2nd: Edward Montagu (7 Nov 1642-5 May 1671)
  3rd: Robert Montagu (5 May 1671-14 Mar 1682)
  4th: Charles Montagu (14 Mar 1683-20 Jan 1722)
  5th: William Montagu (20 Jan 1722-21 Oct 1739)
  6th: Robert Montagu (21 Oct 1739-10 May 1762)
  7th: George Montagu (10 May 1762-2 Sep 1788)
  8th: William Montagu (2 Sep 1788-18 Mar 1843)
  9th: George Montagu (18 Mar 1843-18 Aug 1855)
10th: William Drogo Montagu (18 Aug 1855-22 Mar 1890)
11th: George Victor Drogo Montagu (22 Mar 1890-18 Aug 1892)
12th: William Angus Drogo Montagu (18 Aug 1892-9 Feb 1947)
13th: Alexander George Francis Drogo Montagu (9 Feb 1947-23 Nov 1977)
14th: Sidney Arthur Robin George Drogo Montagu (23 Nov 1977-1985)
15th: Angus Charles Drogo Montagu (1985-25 Jul 2002)
16th: Alexander Charles David Drogo Montagu (25 Jul 2002- )

Earl of Mansfield, co. Middlesex    [Great Britain, 1792]
  1st: William Murray (1 Aug 1792-20 Mar 1793) with a special remainder to his nephew, David Murray
  2nd: David Murray (20 Mar 1793-1 Sep 1796)
  3rd: David William Murray (1 Sep 1796-11 Feb 1840)
  4th: William David Murray (11 Feb 1840-2 Aug 1898)
  5th: William David Murray (2 Aug 1898-29 Apr 1906)
  6th: Alan David Murray (29 Apr 1906-14 Mar 1935)
  7th: Mungo David Malcolm Murray (14 Mar 1935-2 Sep 1971)
  8th: William David Mungo James Murray (2 Sep 1971-21 Oct 2015)
  9th: Alexander David Mungo Murray (21 Oct 2015- )

Earl of Mansfield, co. Nottingham    [Great Britain, 1776]
  1st: William Murray (31 Oct 1776-20 Mar 1793) with a special remainder to his nephew's wife, Louisa
  2nd: Louisa Cathcart (20 Mar 1793-11 Jul 1843) suo jure
  3rd: William David Murray (11 Jul 1843-2 Aug 1898)
  4th: William David Murray (2 Aug 1898-29 Apr 1906)
  5th: Alan David Murray (29 Apr 1906-14 Mar 1935)
  6th: Mungo David Malcolm Murray (14 Mar 1935-2 Sep 1971)
  7th: William David Mungo James Murray (2 Sep 1971-21 Oct 2015)
  8th: Alexander David Mungo Murray (21 Oct 2015- )

Earl Manvers    [United Kingdom, 1806]
  1st: Charles Pierrepont (9 Apr 1806-17 Jun 1816)
  2nd: Charles Herbert Pierrepont (17 Jun 1816-27 Oct 1860)
  3rd: Sydney William Herbert Pierrepont (27 Oct 1860-16 Jan 1900)
  4th: Charles William Sydney Pierrepont (16 Jan 1900-17 Jul 1926)
  5th: Evelyn Robert Pierrepont (17 Jul 1926-6 Apr 1940)
  6th: Gervas Evelyn Pierrepont (17 Jul 1926-13 Feb 1955)

Earl of Mar    [Scotland, 1115]
  1st: Roderick (c 1115- )
  2nd: Morgund Mac Gylocher (a 1133-b 30 Mar 1183)
  3rd: Gilchrist (b 30 Mar 1183- )
  4th: Duncan (b 29 Aug 1229-a 7 Feb 1244)
  5th: William (b 7 Feb 1244-fr 1291-1291)
  6th: Donald (25 Jul 1281-a 25 Jul 1297)
  7th: Gartnait (a 25 Jul 1297-b Sep 1305)
  8th: Donald (b Sep 1305-12 Aug 1332)
  9th: Thomas (12 Aug 1332-fr 1373-1374)
10th: Margaret (c 1374-bt 1391-1393) suo jure
11th: Isabel Douglas (b 19 Oct 1393-bt 1408-1408) suo jure
12th: Alexander Stewart (12 Aug 1404-6 Jul 1435) after forcing his future wife to grant an eventual abortive charter making over to him, in supposed view of theior forthcoming marriage, the Earldom of Mar and Garioch
13th: Robert Erskine (b Jun 1436-bt 1451-1452) de jure
14th: Alexander Erskine (b 1493-fr 1508-1509) de jure
14th: Thomas Erskine (bt 1451-1452-b 1493) de jure
16th: Robert Erskine (fr 1508-1509-9 Sep 1513) de jure
17th: John Erskine (9 Sep 1513-bt 1555-1555) de jure
18th: John Erskine (fr 1555-1555-28 Oct 1572)
19th: John Erskine (28 Oct 1572-14 Dec 1634)
20th: John Erskine (14 Dec 1634-1653)
21st: John Erskine (1653-Sep 1668)
22nd: Charles Erskine (Sep 1668-23 May 1689)
23rd: John Erskine (23 May 1689-May 1732)
24th: John Francis Erskine (17 Jun 1824-20 Aug 1825) restored by an Act of Parliament
25th: John Thomas Erskine (20 Aug 1825-20 Sep 1828)
26th: John Francis Miller Erskine (20 Sep 1828-19 Jun 1866)
27th: John Francis Erskine Goodeve-Erskine (19 Jun 1866-17 Jun 1930)
28th: John Francis Hamilton Sinclair Cunliffe Brookes Forbes Goodeve-Erskine (17 Jun 1930-29 Sep 1932)
29th: Lionel Walter Young-Erskine (29 Sep 1932-27 Nov 1965)
30th: James Clifton Mar (27 Nov 1965-21 Apr 1975)
31st: Margaret Alison Mar (1975- )

Earl of Mar    [Scotland, 1562]
  1st: James Stewart (7 Feb 1562-20 Jan 1570)

Earl of Mar    [Scotland, 1565]
  1st: John Erskine (20 Jul 1565-28 Oct 1572) established by the House of Lords Privileges Committe on 26 Feb 1875
  2nd: John Erskine (28 Oct 1572-14 Dec 1634)
  3rd: John Erskine (14 Dec 1634-1653)
  4th: John Erskine (1653-Sep 1668)
  5th: Charles Erskine (Sep 1668-23 May 1689)
  6th: John Erskine (23 May 1689-May 1732)
  7th: John Francis Erskine (17 Jun 1824-20 Aug 1825) restored by an Act of Parliament
  8th: John Thomas Erskine (20 Aug 1825-20 Sep 1828)
  9th: John Francis Miller Erskine (20 Sep 1828-19 Jun 1866)
10th: Walter Coningsby Erskine (19 Jun 1866-15 Jan 1872) de jure
11th: Walter Henry Erskine (15 Jan 1872-16 Sep 1888)
12th: Walter John Francis Erskine (16 Sep 1888-3 Jun 1955)
13th: John Francis Hervey Erskine (3 Jun 1955-22 Dec 1993)
14th: James Thorne Erskine (22 Dec 1993- )

Earl of March    [Scotland, 1290]
  1st: Patrick Dunbar (c 1290-10 Oct 1308)
  2nd: Patrick Dunbar (10 Oct 1308-11 Nov 1368)
  3rd: George Dunbar (25 Jul 1368-bt 1416-1420)
  4th: George Dunbar (c 1420-bt 1455-1457)

Earl of March    [England, 1479]
  1st: Edward V Plantagenet (8 Jul 1479-a Nov 1483)

Earl of March    [Scotland, 1580]
  1st: Robert Stuart (1580-29 Aug 1586)

Earl of March    [England, 1619]
  1st: Esmé Stuart (7 Jun 1619-30 Jul 1624)
  2nd: James Stuart (30 Jul 1624-30 Mar 1655)
  3rd: Esme Stuart (30 Mar 1655-10 Aug 1660)
  4th: Charles Stuart (10 Aug 1660-12 Dec 1672)

Earl of March    [England, 1675]
  1st: Charles Lennox (9 Aug 1675-27 May 1723)
  2nd: Charles Lennox (27 May 1723-8 Aug 1750)
  3rd: Charles Lennox (8 Aug 1750-29 Dec 1806)
  4th: Charles Lennox (29 Dec 1806-28 Aug 1819)
  5th: Charles Gordon-Lennox (28 Aug 1819-21 Oct 1860)
  6th: Charles Henry Gordon-Lennox (21 Oct 1860-27 Sep 1903)
  7th: Charles Henry Gordon-Lennox (27 Sep 1903-18 Jan 1928)
  8th: Charles Henry Gordon-Lennox (18 Jan 1928-7 May 1935)
  9th: Frederick Charles Gordon-Lennox (7 May 1935-2 Nov 1989)
10th: Charles Henry Gordon-Lennox (1989-1 Sep 2017)
11th: Charles Henry Gordon-Lennox (1 Sep 2017- )

Earl of March    [Scotland, 1697]
  1st: William Douglas (20 Apr 1697-9 Sep 1705)
  2nd: William Douglas (9 Sep 1705-7 Mar 1731)
  3rd: William Douglas (7 Mar 1731-23 Dec 1810)
  4th: Francis Charteris (23 Dec 1810-28 Jun 1853)
  5th: Francis Wemyss-Charteris (28 Jun 1853-1 Jan 1883)
  6th: Francis Richard Charteris (1 Jan 1883-30 Jun 1914)
  7th: Hugo Richard Charteris (30 Jun 1914-12 Jul 1937)
  8th: Francis David Charteris (12 Jul 1937-12 Dec 2008)
  9th: James Donald Charteris (12 Dec 2008- )

Earl of March and Moray    [Scotland, 1358]
  1st: Patrick Dunbar (1358-11 Nov 1368)

Earl of Marchmont    [Scotland, 1697]
  1st: Patrick Hume (23 Apr 1697-2 Aug 1724)
  2nd: Alexander Hume-Campbell (2 Aug 1724-27 Feb 1740)
  3rd: Hugh Hume-Campbell (27 Feb 1740-10 Jan 1794)

Earl Marischal    [Scotland, 1458]
  1st: William Keith (bt 1457-1458-fr 1482-1483)
  2nd: William Keith (b 1483-fr 1526-1527)
  3rd: William Keith (c 1527-7 Oct 1581)
  4th: George Keith (7 Oct 1581-2 Apr 1623)
  5th: William Keith (2 Apr 1623-28 Oct 1635)
  6th: William Keith (28 Oct 1635-Mar 1671)
  7th: George Keith (Mar 1671-Mar 1694)
  8th: William Keith (1694-27 May 1712)
  9th: George Keith (1712-23 May 1778)

Earl of Marlborough, co. Wilts    [England, 1689]
  1st: John Churchill (9 Apr 1689-16 Jun 1722)
  2nd: Henrietta Churchill (9 Aug 1722-24 Oct 1733) suo jure
  3rd: Charles Spencer (24 Oct 1733-20 Oct 1758)
  4th: George Spencer (20 Oct 1758-29 Jan 1817)
  5th: George Spencer-Churchill (29 Jan 1817-5 Mar 1840)
  6th: George Spencer-Churchill (5 Mar 1840-1 Jul 1857)
  7th: John Winston Spencer-Churchill (1 Jul 1857-5 Jul 1883)
  8th: George Charles Spencer-Churchill (16 Apr 1883-9 Nov 1892)
  9th: Charles Richard John Spencer-Churchill (9 Nov 1892-30 Jun 1934)
10th: John Albert Edward William Spencer-Churchill (30 Jun 1934-11 Mar 1972)
11th: John George Vanderbilt Henry Spencer-Churchill (10 Mar 1972-16 Oct 2014)
12th: Charles James Spencer-Churchill (16 Oct 2014- )

Earl Marshal, of England    [England, 1672]
  1st: Henry Howard (19 Oct 1672-13 Jan 1684)
  2nd: Henry Howard (13 Jan 1684-2 Apr 1701)
  3rd: Thomas Howard (2 Apr 1701-23 Dec 1732)
  4th: Edward Howard (23 Dec 1732-20 Sep 1777)
  5th: Charles Howard (20 Sep 1777-31 Aug 1786)
  6th: Charles Howard (31 Aug 1786-16 Dec 1815)
  7th: Bernard Edward Howard (16 Dec 1815-16 Mar 1842)
  8th: Henry Charles Howard (16 Mar 1842-18 Feb 1856)
  9th: Henry Granville Fitzalan-Howard (18 Feb 1856-25 Nov 1860)
10th: Henry Fitzalan-Howard (25 Nov 1860-11 Feb 1917)
11th: Bernard Marmaduke Fitzalan-Howard (11 Feb 1917-30 Jan 1975)
12th: Miles Francis Stapleton Fitzalan Howard (30 Jan 1975-24 Jun 2002)
13th: Edward William Fitzalan-Howard (24 Jun 2002- )

Earl of Massereene    [Ireland, 1756]
  1st: Clotworthy Skeffington (28 Jul 1756-17 Sep 1757)
  2nd: Clotworthy Skeffington (17 Sep 1757-28 Feb 1805)
  3rd: Henry Skeffington (28 Feb 1805-12 Jun 1811)
  4th: Chichester Clotworthy Skeffington (12 Jun 1811-25 Feb 1816)

Earl of the County of Mayo    [Ireland, 1785]
  1st: John Bourke (24 Jun 1785-2 Dec 1790)
  2nd: John Bourke (2 Dec 1790-20 Apr 1792)
  3rd: Joseph Deane Bourke (20 Apr 1792-20 Aug 1794)
  4th: John Bourke (20 Aug 1794-23 May 1849)
  5th: Robert Bourke (23 May 1849-12 Aug 1867)
  6th: Richard Southwell Bourke (12 Aug 1867-8 Feb 1872)
  7th: Dermot Robert Wyndham Bourke (8 Feb 1872-31 Dec 1927)
  8th: Walter Longley Bourke (31 Dec 1927-6 May 1939)
  9th: Ulick Henry Bourke (6 May 1939-17 Dec 1962)
10th: Terence Patrick Bourke (17 Dec 1962-22 Sep 2006)
11th: Charles Diarmuidh John Bourke (22 Sep 2006- )

Earl of Meath    [Ireland, 1627]
  1st: William Brabazon (16 Apr 1627-c 16 Dec 1651) with a special remainder to his brother Sir Anthony Brabazon
  2nd: Edward Brabazon (c 16 Dec 1651-25 Mar 1675)
  3rd: William Brabazon (25 Mar 1675-c 27 Feb 1685)
  4th: Edward Brabazon (c 28 Feb 1685-22 Feb 1708)
  5th: Chambre Brabazon (22 Feb 1707-1 Apr 1715)
  6th: Chaworth Brabazon (1 Apr 1715-14 May 1763)
  7th: Edward Brabazon (14 May 1763-24 Nov 1772)
  8th: Anthony Brabazon (24 Nov 1772-4 Jan 1790)
  9th: William Brabazon (4 Jan 1790-26 May 1797)
10th: John Chambré Brabazon (26 May 1797-15 Mar 1851)
11th: William Brabazon (15 Mar 1851-26 May 1887)
12th: Reginald Brabazon (26 May 1887-11 Oct 1929)
13th: Reginald le Normand Brabazon (11 Oct 1929-10 Mar 1949)
14th: Anthony Windham Normand Brabazon (10 Mar 1949-19 Dec 1998)
15th: John Anthony Brabazon (19 Dec 1998- )

Earl of Medina, co. Southampton    [United Kingdom, 1917]
  1st: Louis Alexander Mountbatten (17 Jul 1917-11 Sep 1921)
  2nd: George Louis Victor Henry Serge Mountbatten (11 Sep 1921-8 Apr 1938)
  3rd: David Michael Mountbatten (8 Apr 1938-14 Apr 1970)
  4th: George Ivar Louis Mountbatten (14 Apr 1970- )

Earl of Melfort    [Scotland, 1686]
  1st: John Drummond (21 Aug 1686-25 Jan 1715)
  2nd: John Drummond (25 Jan 1715-29 Jan 1754)
  3rd: James Drummond (29 Jan 1754-25 Dec 1766)
  4th: James Lewis Drummond (25 Jan 1766-Sep 1800)
  5th: Charles Edward Drummond (Sep 1800-9 Apr 1840)
  6th: George Drummond (9 Apr 1840-28 Feb 1902)

Earl of Melrose, co. Roxburgh    [Scotland, 1619]
  1st: Thomas Hamilton (20 Mar 1619-29 May 1637)

Earl of Melville    [Scotland, 1690]
  1st: George Melville (8 Apr 1690-20 May 1707)
  2nd: David Leslie (20 May 1707-6 Jun 1728)
  3rd: David Leslie (6 Jun 1728-Jun 1729)
  4th: Alexander Leslie (Jun 1729-2 Sep 1754)
  5th: David Leslie (2 Sep 1754-9 Jun 1802)
  6th: Alexander Leslie-Melville (9 Jun 1802-22 Feb 1820)
  7th: David Leslie-Melville (22 Feb 1820-8 Oct 1860)
  8th: John Thornton Leslie-Melville (8 Oct 1860-9 Sep 1876)
  9th: Alexander Leslie-Melville (9 Sep 1876-22 Oct 1889)
10th: Ronald Ruthven Leslie Melville (22 Oct 1889-21 Aug 1906)
11th: John David Leslie Melville (21 Aug 1906-11 Jun 1913)
12th: Archibald Alexander Leslie Melville (11 Jun 1913-15 Jan 1947)
13th: Alexander Robert Leslie Melville (15 Jan 1947-7 Apr 2012)
14th: Alexander Ian Leslie Melville (7 Apr 2012- )

Earl of Menteith    [Scotland, 1427]
  1st: Malise Graham (6 Sep 1427-bt 1485-1491) after King James I stripped him of the title Earl of Strathearn on the basis that it was only inheritable through a male line
  2nd: Alexander Graham (1491-fr 1537-1537)
  3rd: William Graham (1537-c 1544)
  4th: John Graham (c 1544-Jan 1565)
  5th: William Graham (Jan 1565-Sep 1578)
  6th: John Graham (Sep 1578-Dec 1598)
  7th: William Graham (Dec 1598-a 13 Apr 1661)
  8th: William Graham (a Apr 1661-12 Sep 1694)

Earl of Merioneth    [United Kingdom, 1947]
  1st: Philip Mountbatten (19 Nov 1947- )

Earl Mexborough of Lifford, co. Donegal    [Ireland, 1766]
  1st: John Savile (11 Feb 1766-17 Feb 1778)
  2nd: John Savile (17 Feb 1778-3 Feb 1830)
  3rd: John Savile (3 Feb 1830-25 Dec 1860)
  4th: John Charles George Savile (25 Dec 1860-17 Aug 1899)
  5th: John Horace Savile (17 Aug 1899-8 Jun 1916)
  6th: John Henry Savile (8 Jun 1916-16 Sep 1945)
  7th: John Raphael Wentworth Savile (16 Sep 1945-15 Jul 1980)
  8th: John Christopher George Savile (15 Jul 1980- )

Earl of Middlesex    [England, 1675]
  1st: Charles Sackville (4 Apr 1675-29 Jan 1706)
  3rd: Charles Sackville (10 Oct 1765-6 Jan 1769)
  4th: John Frederick Sackville (6 Jan 1769-19 Jul 1799)
  5th: George John Frederick Sackville (19 Jul 1799-14 Feb 1815)
  6th: Charles Sackville (14 Feb 1815-29 Jul 1843)

Earl of Midleton    [United Kingdom, 1920]
  1st: William St. John Freemantle Brodrick (2 Feb 1920-13 Feb 1942)
  2nd: George St. John Brodrick (13 Feb 1942-2 Nov 1979)

Earl of Midlothian    [United Kingdom, 1911]
  1st: Archibald Philip Primrose (3 Jul 1911-21 May 1929)
  2nd: Albert Edward Harry Mayer Archibald Primrose (21 May 1929-30 May 1974)
  3rd: Neil Archibald Primrose (30 May 1974- )

Earl of Milford Haven    [Great Britain, 1706]
  1st: George II Augustus Hanover (9 Nov 1706-25 Oct 1760)

Earl of Minto, co. Roxburgh    [United Kingdom, 1813]
  1st: Gilbert Elliot-Murray-Kynynmound (24 Feb 1813-21 Jun 1814)
  2nd: Gilbert Elliot-Murray-Kynynmound (21 Jun 1814-31 Jul 1859)
  3rd: William Hugh Elliot-Murray-Kynynmound (31 Jul 1859-17 Mar 1891)
  4th: Gilbert John Elliot-Murray-Kynynmound (17 Mar 1891-1 Mar 1914)
  5th: Victor Gilbert Lariston Garnet Elliot-Murray-Kynynmound (1 Mar 1914-11 Jan 1975)
  6th: Gilbert Edward George Lariston Elliot-Murray-Kynynmound (11 Jan 1975-7 Sep 2005)
  7th: Gilbert Timothy George Lariston Elliot-Murray-Kynynmound (7 Sep 2005- )

Earl of Moira    [Ireland, ]
  1st: John Rawdon ( -20 Jun 1793)

Earl of Monmouth    [England, 1626]
  1st: Robert Carey (5 Feb 1626-12 Apr 1639)

Earl of Monmouth    [England, 1689]
  1st: Charles Mordaunt (9 Apr 1689-25 Oct 1735)
  2nd: Charles Mordaunt (25 Oct 1735-1 Aug 1779)
  3rd: Charles Henry Mordaunt (1 Aug 1779-16 Jun 1814)

Earl of Montagu    [England, 1689]
  1st: Ralph Montagu (9 Apr 1689-9 Mar 1709)
  2nd: John Montagu (9 Mar 1709-5 Jul 1749)

Earl de Montalt of Dundrum, co. Tipperary    [United Kingdom, 1886]
  1st: Cornwallis Maude (9 Sep 1886-9 Jan 1905)

Earl of Montgomery    [England, 1605]
  1st: Philip Herbert (4 May 1605-23 Jan 1650)
  2nd: Philip Herbert (23 Jan 1650-11 Dec 1669)
  3rd: William Herbert (11 Dec 1669-8 Jul 1674)
  4th: Philip Herbert (8 Jul 1674-29 Aug 1683)
  5th: Thomas Herbert (29 Aug 1683-22 Jan 1733)
  6th: Henry Herbert (22 Jan 1733-9 Jan 1750)
  7th: Henry Herbert (9 Jan 1750-26 Jan 1794)
  8th: George Augustus Herbert (26 Jan 1794-26 Oct 1827)
  9th: Robert Henry Herbert (26 Oct 1827-25 Apr 1862)
10th: George Robert Charles Herbert (25 Apr 1862-3 May 1895)
11th: Sidney Herbert (3 May 1895-30 Mar 1913)
12th: Reginald Herbert (30 Mar 1913-13 Jan 1960)
13th: Sidney Charles Herbert (13 Jan 1960-16 Mar 1969)
14th: Henry George Charles Alexander Herbert (16 Mar 1969-7 Oct 2003)
15th: William Alexander Sidney Herbert (7 Oct 2003- )

Earl of Montrose    [Scotland, 1503]
  1st: William Graham (bt 1503-1503-9 Sep 1513)
  2nd: William Graham (9 Sep 1513-24 May 1571)
  3rd: John Graham (24 May 1571-9 Nov 1608)
  4th: John Graham (9 Nov 1608-14 Nov 1626)
  5th: James Graham (14 Nov 1626-21 May 1650)
  6th: James Graham (21 May 1650-Feb 1669)
  7th: James Graham (Feb 1669-25 Apr 1684)
  8th: James Graham (25 Apr 1684-7 Jan 1742)
  9th: William Graham (7 Jan 1742-23 Sep 1790)
10th: James Graham (23 Sep 1790-30 Dec 1836)
11th: James Graham (30 Dec 1836-30 Dec 1874)
12th: Douglas Beresford Malise Ronald Graham (30 Dec 1874-10 Dec 1925)
13th: James Graham (Dec 1925-20 Jan 1954)
14th: James Angus Graham (20 Jan 1954-10 Feb 1992)
15th: James Graham (1992- )

Earl of Moray    [Scotland, 1372]
  1st: John Dunbar (9 Mar 1372-b 15 Feb 1392)
  3rd: Thomas Dunbar (1415-1427)
  4th: James Dunbar (1427-c 10 Aug 1429)

Earl of Moray    [Scotland, 1456]
  1st: David Stewart (12 Feb 1456-b 18 Jul 1457)

Earl of Moray    [Scotland, 1501]
  1st: James Stewart (1501-12 Jun 1544)

Earl of Moray    [Scotland, 1549]
  1st: George Gordon (13 Feb 1549-22 Oct 1562)

Earl of Moray    [Scotland, 1562]
  1st: James Stewart (30 Jan 1562-20 Jan 1570)
  2nd: Elizabeth Stewart (21 Jan 1570-18 Nov 1591)
  3rd: James Stuart (18 Nov 1591-6 Aug 1638)
  4th: James Stuart (6 Aug 1638-4 Mar 1653)
  5th: Alexander Stuart (4 Mar 1653-1 Nov 1700)
  6th: Charles Stuart (1 Nov 1700-7 Oct 1735)
  7th: Francis Stuart (7 Oct 1735-11 Dec 1739)
  8th: James Stuart (11 Dec 1739-5 Jul 1767)
  9th: Francis Stuart (5 Jul 1767-28 Aug 1810)
10th: Francis Stuart (28 Aug 1810-12 Jan 1848)
11th: Francis Stuart (12 Jan 1848-6 May 1859)
12th: John Stuart (6 May 1859-8 Nov 1867)
13th: Archibald George Stuart (8 Nov 1867-12 Feb 1872)
14th: George Philip Stuart (12 Feb 1872-16 Mar 1895)
15th: Edmund Archibald Stuart (16 Mar 1895-11 Jun 1901)
16th: Francis James Stuart (11 Jun 1901-20 Nov 1909)
17th: Morton Gray Stuart (20 Nov 1909-19 Apr 1930)
18th: Francis Douglas Stuart (19 Apr 1930-9 Jul 1943)
19th: Archibald John Morton Stuart (9 Jul 1943-27 Mar 1974)
20th: Douglas John Moray Stuart (27 Mar 1974-23 Sep 2011)
21st: John Douglas Stuart (23 Sep 2011- )

Earl of Morley, co. Devon    [United Kingdom, 1815]
  1st: John Parker (29 Nov 1815-14 Mar 1840)
  2nd: Edmund Parker (14 Mar 1840-28 Apr 1864)
  3rd: Albert Edmund Parker (28 Aug 1864-26 Feb 1905)
  4th: Edmund Robert Parker (26 Feb 1905-10 Oct 1951)
  5th: Montagu Brownlow Parker (10 Oct 1951-28 Apr 1962)
  6th: John St. Aubyn Parker (28 Apr 1962-20 Sep 2015)
  7th: Mark Lionel Parker (20 Sep 2015- )

Earl of Mornington    [Ireland, 1760]
  1st: Garret Wesley (2 Oct 1760-22 May 1781)
  2nd: Richard Wellesley (22 May 1781-26 Sep 1842)
  3rd: William Wellesley-Pole (26 Sep 1842-22 Feb 1845)
  4th: William Pole-Tylney-Long-Wellesley (22 Feb 1845-1 Jul 1857)
  5th: William Richard Arthur Pole-Tylney-Long-Wellesley (1 Jul 1857-25 Jul 1863)
  6th: Arthur Richard Wellesley (25 Jul 1863-13 Aug 1884)
  7th: Henry Wellesley (13 Aug 1884-8 Jun 1900)
  8th: Arthur Charles Wellesley (8 Jun 1900-18 Jun 1934)
  9th: Arthur Charles Wellesley (18 Jun 1934-11 Dec 1941)
10th: Henry Valerian George Wellesley (11 Dec 1941-16 Sep 1943)
11th: Gerald Wellesley (16 Sep 1943-4 Jan 1972)
12th: Arthur Valerian Wellesley (4 Jan 1972-31 Dec 2014)
13th: Arthur Charles Valerian Wellesley (31 Dec 2014- )

Earl of Morton    [Scotland, 1458]
  1st: James Douglas (14 Mar 1458-bt 1492-1492)
  2nd: John Douglas (22 Oct 1492-bt 1511-1513)
  3rd: James Douglas (bt 1511-1513-Dec 1548)
  4th: James Douglas (2 Jun 1564-2 Jun 1581)
  5th: Archibald Douglas (29 Jan 1586-4 Aug 1588)
  6th: William Douglas (4 Aug 1588-c 24 Sep 1606)
  7th: William Douglas (c Sep 1606-7 Aug 1648)
  8th: Robert Douglas (7 Aug 1648-12 Nov 1649)
  9th: William Douglas (12 Nov 1649-b 1 Nov 1681)
10th: James Douglas (c Nov 1661-25 Aug 1686)
11th: James Douglas (25 Aug 1686-7 Dec 1715)
12th: Robert Douglas (7 Dec 1715-22 Jan 1730)
13th: George Douglas (22 Jan 1730-4 Jan 1738)
14th: James Douglas (4 Jan 1738-12 Oct 1768)
15th: Sholto Charles Douglas (12 Oct 1768-25 Sep 1774)
16th: George Douglas (25 Sep 1774-17 Jul 1827)
17th: George Sholto Douglas (17 Jul 1827-31 Mar 1858)
18th: Sholto John Douglas (31 Mar 1858-24 Dec 1884)
19th: Sholto George Douglas (24 Mar 1884-8 Oct 1935)
20th: Sholto Charles John Hay Douglas (8 Oct 1935-13 Feb 1976)
21st: John Charles Sholto Douglas (13 Feb 1976-5 Mar 2016)
22nd: John Stewart Sholto Douglas (5 Mar 2016- )

Earl of Morton    [Scotland, 1581]
  1st: John Maxwell (5 Jun 1581-6 Dec 1593)

Earl of Mount Charles    [Ireland, 1816]
  1st: Henry Conyngham (15 Jan 1816-28 Dec 1832)
  2nd: Francis Nathaniel Conyngham (11 Oct 1861-17 Jul 1876)
  3rd: George Henry Conyngham (17 Jul 1876-2 Jun 1882)
  4th: Henry Francis Conyngham (2 Jun 1882-28 Aug 1897)
  5th: Victor George Henry Francis Conyngham (28 Aug 1897-9 Nov 1918)
  6th: Frederick William Burton Conyngham (9 Nov 1918-1 Apr 1974)
  7th: Frederick William Henry Francis Conyngham (1 Apr 1974-3 Mar 2009)
  8th: Henry Vivien Pierpont Conyngham (3 Mar 2009- )

Earl of Mount Edgcumbe    [Great Britain, 1789]
  1st: George Edgcumbe (31 Aug 1789-4 Feb 1795)
  2nd: Richard Edgcumbe (4 Feb 1795-26 Sep 1839)
  3rd: Ernest Augustus Edgcumbe (26 Sep 1839-3 Sep 1861)
  4th: William Henry Edgcumbe (3 Sep 1861-25 Sep 1917)
  5th: Piers Alexander Hamilton Edgcumbe (25 Sep 1917-10 Apr 1944)
  6th: Kenelm William Edward Edgcumbe (10 Apr 1944-10 Feb 1965)
  7th: Edward Piers Edgcumbe (10 Feb 1965-9 Dec 1982)
  8th: Robert Charles Edgcumbe (9 Dec 1982- )

Earl Mountbatten of Burma    [United Kingdom, 1947]
  1st: Louis Francis Albert Victor Nicholas Mountbatten (28 Oct 1947-27 Aug 1979) with a special remainder to his daughters and the heirs male, by primogeniture
  2nd: Patricia Edwina Victoria Mountbatten (27 Aug 1979-13 Jun 2017)
  3rd: Norton Louis Philip Knatchbull (13 Jun 2017- )

Earl Mountcashell, of Cashell    [Ireland, 1781]
  1st: Stephen Moore (5 Jan 1781-14 May 1790)
  2nd: Stephen Moore (14 May 1790-27 Oct 1822)
  3rd: Stephen Moore (Oct 1822-10 Oct 1883)
  4th: Stephen Moore (10 Oct 1883-9 Nov 1889)
  5th: Charles William More (9 Nov 1889-20 Feb 1898)
  6th: Edward George Augustus Harcourt Moore (20 Feb 1898-1 Apr 1915)

Earl of Mountnorris    [Ireland, 1793]
  1st: Arthur Annesley (3 Dec 1793-4 Jul 1816)
  2nd: George Annesley (4 Jul 1816-23 Jul 1844)

Earl of Mountrath, in Queen's Co.    [Ireland, 1660]
  1st: Charles Coote (6 Sep 1660-18 Dec 1661)
  2nd: Charles Coote (18 Dec 1661-30 Aug 1672)
  3rd: Charles Coote (30 Aug 1672-May 1709)
  4th: Charles Coote (May 1709-14 Sep 1715)
  5th: Harry Coote (14 Sep 1715-27 Mar 1720)
  6th: Algernon Coote (27 Mar 1720-27 Aug 1744)
  7th: Charles Henry Coote (27 Aug 1744-2 Mar 1802)

Earl of Mulgrave, co. York    [England, 1626]
  1st: Edmund Sheffield (5 Feb 1626-Oct 1646)
  2nd: Edmund Sheffield (Dec 1641-24 Aug 1658)
  3rd: John Sheffield (24 Aug 1658-24 Feb 1721)
  4th: Edmund Sheffield (24 Feb 1721-30 Oct 1735)

Earl of Mulgrave, co. York    [United Kingdom, 1812]
  1st: Henry Phipps (7 Sep 1812-7 Apr 1831)
  2nd: Constantine Henry Phipps (7 Apr 1831-28 Jul 1863)
  3rd: George Augustus Constantine Phipps (28 Jul 1863-3 Apr 1890)
  4th: Constantine Charles Henry Phipps (3 Apr 1890-25 Aug 1932)
  5th: Oswald Constantine John Phipps (25 Aug 1932-30 Jan 1994)
  6th: Constantine Edmund Walter Phipps (1994- )

Earl of Munster    [Ireland, 1789]
  1st: William IV Hanover (20 May 1789-20 Jun 1837)

Earl of Munster    [United Kingdom, 1831]
  1st: George Augustus Frederick Fitz-Clarence (4 Jun 1831-20 Mar 1842) with a special remainder to his brothers by King William IV
  2nd: William George Fitz-Clarence (20 Mar 1842-30 Apr 1901)
  3rd: Geoffrey George Gordon Fitz-Clarence (30 Apr 1901-2 Feb 1902)
  4th: Aubrey Fitz-Clarence (2 Feb 1902-1 Jan 1928)
  5th: Geoffrey William Richard Hugh Fitz-Clarence (1 Jan 1928-27 Aug 1975)
  6th: Edward Charles Fitz-Clarence (27 Aug 1975-1983)
  7th: Anthony Charles Fitz-Clarence (1983-30 Dec 2000)

Earl Nelson of Trafalgar and of Merton    [United Kingdom, 1805]
  1st: William Nelson (20 Nov 1805-28 Feb 1835) for his brother's heroic services to the nation, with special remainder to his father and father's heirs male and failing them, his sisters Mrs Bolton and Mrs Matcham
  2nd: Thomas Nelson (28 Feb 1835-1 Nov 1835)
  3rd: Horatio Nelson (1 Nov 1835-25 Feb 1913)
  4th: Thomas Horatio Nelson (4 May 1905-30 Sep 1947)
  5th: Edward Agar Horatio Nelson (30 Sep 1947-30 Jan 1951)
  6th: Albert Francis Joseph Horatio Nelson (30 Jan 1951-23 Jun 1957)
  7th: Henry Edward Joseph Horatio Nelson (23 Jun 1957-8 Aug 1972)
  8th: George Joseph Horatio Nelson (8 Aug 1972-21 Sep 1981)
  9th: Peter John Horatio Nelson (21 Sep 1981-28 Mar 2009)

Earl of Newburgh    [Scotland, 1660]
  1st: James Livingston (31 Dec 1660-4 Dec 1670) with special remainder to heirs whomsoever
  2nd: Charles Livingston (4 Dec 1670-6 Apr 1694)
  3rd: Charlotte Maria Livingston (6 Apr 1694-4 Aug 1755)
  4th: James Bartholomew Radclyffe (4 Aug 1755-2 Jan 1787)
  5th: Anthony James Radclyffe (2 Jan 1786-29 Nov 1814)
  6th: Francis Radclyffe-Livingstone-Eyre (1814-23 Oct 1827) in the mistaken belief that a foreign national could not inherit a Scottish peerage
  6th: Vincenzo Giuseppe Filippo Graziliano Giacopo Gasparo Baldassaro Melchior Domenico Giustiniani (29 Nov 1814-13 Nov 1826) de jure
  7th: Thomas Radclyffe-Livingstone-Eyre (1827-28 May 1833) erroneously
  7th: Maria Cecilia Agatha Anna Josepha Laurentia Donata Melchiora Balthassara Gaspara Giustaniani (13 Nov 1826-8 Jan 1877)
  8th: Sigismondo Nicholo Venanzio Gaetano Francisco Giustiniani-Bandini (8 Jan 1877-3 Aug 1908)
  9th: Charles Giustiniani-Bandini Giustiniani-Bandini (3 Aug 1908-1941)
10th: Maria Sofia Giuseppina Giustiniani-Bandini (1941-30 Apr 1977)
11th: Giulio Cesare Taddeo Cosimo Rospigliosi (30 Apr 1977-1986)
12th: Filippo Giambattista Francesco Aldo Maria Rospigliosi (1986- )

Earl of Newcastle-on-Tyne    [England, 1628]
  1st: William Cavendish (7 Mar 1628-25 Dec 1676)
  2nd: Henry Cavendish (25 Dec 1676-26 Jul 1691)

Earl of Newcastle-upon-Tyne    [England, 1623]
  1st: Ludovic Stuart (17 May 1623-16 Feb 1624)

Earl of Nithsdale    [Scotland, 1620]
  1st: Robert Maxwell (29 Aug 1620-May 1646) with special remainder to all heirs males whatsoever, and precedence of 1581
  2nd: Robert Maxwell (May 1646-5 Oct 1667)
  3rd: John Maxwell (5 Oct 1667-bt 1677-1677)
  4th: Robert Maxwell (1677-b 23 Mar 1683)
  5th: William Maxwell (b 23 Mar 1683-20 Mar 1744)

Earl of Norbury    [Ireland, 1827]
  1st: John Toler (23 Jun 1827-27 Jul 1831) with special remainder to his second son
  2nd: Hector John Graham-Toler (27 Jul 1831-3 Jan 1839)
  3rd: Hector John Graham-Toler (3 Jan 1839-26 Dec 1873)
  4th: William Brabazon Lindsay Graham-Toler (26 Dec 1873-20 Apr 1943)
  5th: Ronald Ian Montagu Graham-Toler (20 Apr 1943-24 May 1955)
  6th: Noel Terence Graham-Toler (24 May 1955-11 Sep 2000)
  7th: Richard James Graham-Toler (11 Sep 2000- )

Earl of Norfolk    [England, 1312]
  1st: Thomas Brotherton (16 Dec 1312-c Aug 1338)
  3rd: Thomas Mowbray (24 Mar 1399-22 Sep 1400)
  4th: Thomas Mowbray (22 Sep 1399-8 Jun 1405)
  5th: John Mowbray (8 Jun 1405-19 Oct 1432)
  6th: John Mowbray (19 Oct 1432-6 Nov 1461)
  7th: John Mowbray (6 Nov 1461-16 Jan 1476)
  8th: Anne Mowbray (16 Jan 1476-10 Nov 1481)

Earl of Norfolk    [England, 1644]
  1st: Thomas Howard (6 Jun 1644-4 Oct 1646) in response to his petition to be restored to the Dukedom of Norfolk of his grandfather, with a special remainder to his half-uncles Thomas and William
  2nd: Henry Frederick Howard (4 Oct 1646-17 Apr 1652)
  3rd: Thomas Howard (17 Apr 1652-13 Dec 1677)
  4th: Henry Howard (13 Dec 1677-13 Jan 1684)
  5th: Henry Howard (13 Jan 1684-2 Apr 1701)
  6th: Thomas Howard (2 Apr 1701-23 Dec 1732)
  7th: Edward Howard (23 Dec 1732-20 Sep 1777)
  8th: Charles Howard (20 Sep 1777-31 Aug 1786)
  9th: Charles Howard (31 Aug 1786-16 Dec 1815)
10th: Bernard Edward Howard (16 Dec 1815-16 Mar 1842)
11th: Henry Charles Howard (16 Mar 1842-18 Feb 1856)
12th: Henry Granville Fitzalan-Howard (18 Feb 1856-25 Nov 1860)
13th: Henry Fitzalan-Howard (25 Nov 1860-11 Feb 1917)
14th: Bernard Marmaduke Fitzalan-Howard (11 Feb 1917-30 Jan 1975)
15th: Miles Francis Stapleton Fitzalan Howard (30 Jan 1975-24 Jun 2002)
16th: Edward William Fitzalan-Howard (24 Jun 2002- )

Earl of Norfolk    [Great Britain, 1784]
  2nd: George Gordon (17 Jun 1827-28 May 1836)

Earl of Normanton, co. Kilkenny    [Ireland, 1806]
  1st: Charles Agar (4 Feb 1806-14 Jul 1809)
  2nd: Welbore Ellis Agar (14 Jul 1809-26 Aug 1868)
  3rd: James Charles Herbert Welbore Ellis Agar (26 Aug 1868-19 Dec 1896)
  4th: Sidney James Agar (19 Dec 1896-25 Nov 1933)
  5th: Edward John Sidney Christian Welbore Ellis Agar (25 Nov 1933-28 Jan 1967)
  6th: Shaun James Christian Welbore Ellis Agar (28 Jan 1967- )

Earl of Northampton    [England, 1604]
  1st: Henry Howard (13 Mar 1604-15 Jun 1614)

Earl of Northampton    [England, 1618]
  1st: William Compton (2 Aug 1618-24 Jun 1630)
  2nd: Spencer Compton (24 Jun 1630-10 Mar 1643)
  3rd: James Compton (10 Mar 1643-15 Dec 1681)
  4th: George Compton (15 Dec 1681-15 Apr 1727)
  5th: James Compton (15 Apr 1727-3 Oct 1754)
  6th: George Compton (3 Oct 1754-6 Dec 1758)
  7th: Charles Compton (6 Dec 1758-18 Oct 1763)
  8th: Spencer Compton (18 Oct 1763-7 Apr 1796)
  9th: Charles Compton (7 Apr 1796-24 May 1828)
10th: Spencer Joshua Alwyne Compton (24 May 1828-17 Jan 1851)
11th: Charles Douglas-Compton (17 Jan 1851-3 Mar 1877)
12th: William Compton (3 Mar 1877-11 Sep 1897)
13th: William George Spencer Scott Compton (11 Sep 1897-15 Jun 1913)
14th: William Bingham Compton (15 Jun 1913-30 Jan 1978)
15th: Spencer Douglas David Compton (30 Jan 1978- )

Earl of Northbrook, co. Southampton    [United Kingdom, 1876]
  1st: Thomas George Baring (10 Jun 1876-15 Nov 1904)
  2nd: Francis George Baring (15 Nov 1904-12 Apr 1929)

Earl of Northesk    [Scotland, 1647]
  1st: John Carnegie (1 Nov 1647-8 Jan 1667)
  2nd: David Carnegie (8 Jan 1667-12 Dec 1679)
  3rd: David Carnegie (12 Dec 1679-3 Oct 1688)
  4th: David Carnegie (3 Oct 1688-14 Jan 1729)
  5th: David Carnegie (14 Jan 1729-24 Jun 1741)
  6th: George Carnegie (24 Jun 1741-20 Jan 1792)
  7th: William Carnegie (22 Jan 1792-28 May 1831)
  8th: William Hopetoun Carnegie (28 May 1831-5 Dec 1878)
  9th: George John Carnegie (5 Dec 1878-9 Sep 1891)
10th: David John Carnegie (9 Sep 1891-5 Dec 1921)
11th: David Ludovic George Hopetoun Carnegie (5 Dec 1921-7 Nov 1963)
12th: John Douglas Carnegie (7 Nov 1963-22 Jul 1975)
13th: Robert Andrew Carnegie (22 Jul 1975-1994)
14th: David John MacRae Carnegie (1994-28 Mar 2010)
15th: Patrick Charles Carnegy (28 Mar 2010- )

Earl of Northumberland    [England, 1067]
  1st: Gospatric (1067-c 1075) by William I

Earl of Northumberland    [England, 1377]
  1st: Henry Percy (16 Jul 1377-19 Feb 1408)

Earl of Northumberland    [England, 1416]
  1st: Henry Percy (16 Mar 1416-22 May 1455)
  2nd: Henry Percy (22 May 1455-29 Mar 1461)
  3rd: Henry Percy (29 Mar 1461-28 Apr 1489)
  4th: Henry Algernon Percy (28 Apr 1489-19 May 1527)
  5th: Henry Percy (19 May 1527-30 Jun 1537)

Earl of Northumberland    [England, 1464]
  1st: John Neville (27 May 1464-14 Apr 1471) as a reward for his victories over the Lancastrians

Earl of Northumberland    [England, 1557]
  1st: Thomas Percy (1 May 1557-22 Aug 1572) with special remainder to his brother Henry
  2nd: Henry Percy (22 Aug 1572-21 Jun 1585)
  3rd: Henry Percy (21 Jun 1585-5 Nov 1632)
  4th: Algernon Percy (5 Nov 1632-13 Oct 1668)
  5th: Joceline Percy (13 Oct 1668-21 May 1670)

Earl of Northumberland    [Great Britain, 1749]
  1st: Algernon Seymour (2 Oct 1749-7 Feb 1750) with special remainder to his son-in-law, Sir Hugh Smithson, 4th Bt
  2nd: Hugh Percy (7 Feb 1750-6 Jun 1786)

Earl of Norwich    [England, 1626]
  1st: Edward Denny (24 Oct 1626-24 Oct 1637)

Earl of Norwich    [England, 1644]
  1st: George Goring (28 Nov 1644-6 Jan 1663)
  2nd: Charles Goring (6 Jan 1663-3 Mar 1671)

Earl of Norwich    [England, 1672]
  1st: Henry Howard (19 Oct 1672-13 Jan 1684)
  2nd: Henry Howard (13 Jan 1684-2 Apr 1701)
  3rd: Thomas Howard (2 Apr 1701-23 Dec 1732)
  4th: Edward Howard (23 Dec 1732-20 Sep 1777)

Earl of Norwich    [Great Britain, 1784]
  1st: Alexander Gordon (7 Jul 1784-17 Jun 1827)

Earl of Nottingham    [England, 1377]
  1st: John Mowbray (16 Jul 1377-b 12 Feb 1383)

Earl of Nottingham    [England, 1383]
  1st: Thomas Mowbray (12 Jan 1383-22 Sep 1400)
  2nd: Thomas Mowbray (22 Sep 1399-8 Jun 1405)
  3rd: John Mowbray (8 Jun 1405-19 Oct 1432)
  4th: John Mowbray (19 Oct 1432-6 Nov 1461)
  5th: John Mowbray (6 Nov 1461-16 Jan 1476)

Earl of Nottingham    [England, 1483]
  1st: William Berkeley (28 Jun 1483-14 Feb 1492)

Earl of Nottingham    [England, 1596]
  1st: Charles Howard (22 Oct 1596-14 Dec 1624)
  2nd: Charles Howard (14 Dec 1624-3 Oct 1642)
  3rd: Charles Howard (3 Oct 1642-26 Apr 1681)

Earl Nugent    [Ireland, 1776]
  1st: Robert Nugent (27 Jun 1776-14 Oct 1788) with special remainder to George Grenville Nugent
  2nd: George Nugent-Temple-Grenville (13 Oct 1788-11 Feb 1813)
  3rd: Richard Temple-Nugent-Brydges-Chandos-Grenville (11 Feb 1813-17 Jan 1839)
  4th: Richard Plantagenet Temple-Nugent-Brydges-Chandos-Grenville (17 Jan 1839-29 Jul 1861)
  5th: Richard Plantagenet Campbell Temple-Nugent-Brydges-Chandos-Grenville (29 Jul 1861-26 Mar 1889)

Earl O'Neill    [Ireland, 1800]
  1st: Charles Henry St. John O'Neill (Aug 1800-25 Mar 1841)

Earl of Offaly    [Ireland, 1761]
  1st: James FitzGerald (3 Mar 1761-19 Nov 1773)
  2nd: William Robert FitzGerald (19 Nov 1773-20 Oct 1804)
  3rd: Augustus Frederick FitzGerald (20 Oct 1804-10 Oct 1874)
  4th: Charles William FitzGerald (10 Oct 1874-10 Feb 1887)
  5th: Gerald FitzGerald (10 Feb 1887-1 Dec 1893)
  6th: Maurice FitzGerald (1 Dec 1893-4 Feb 1922)
  7th: Edward FitzGerald (4 Feb 1922-8 Mar 1976)
  8th: Gerald FitzGerald (8 Mar 1976-3 Dec 2004)
  9th: Maurice FitzGerald (3 Dec 2004- )

Earl of Ogle, co. Northumberland    [England, 1665]
  1st: William Cavendish (16 Mar 1665-25 Dec 1676)
  2nd: Henry Cavendish (25 Dec 1676-26 Jul 1691)

Earl of Onslow, of Onslow, Shropshire    [United Kingdom, 1801]
  1st: George Onslow (19 Jun 1801-17 May 1814)
  2nd: Thomas Onslow (17 May 1814-22 Feb 1827)
  3rd: Arthur George Onslow (22 Feb 1827-24 Oct 1870)
  4th: William Hillier Onslow (24 Oct 1870-23 Oct 1911)
  5th: Richard William Alan Onslow (23 Oct 1911-9 Jun 1945)
  6th: William Arthur Bampfylde Onslow (9 Jun 1945-3 Jun 1971)
  7th: Michael William Coplestone Dillon Onslow (3 Jun 1971-14 May 2011)
  8th: Rupert Charles William Bullard Onslow (14 May 2011- )

Earl of Orford    [Great Britain, 1742]
  1st: Robert Walpole (6 Feb 1742-18 Mar 1745)
  2nd: Robert Walpole (1745-31 Mar 1751)

Earl of Orford    [United Kingdom, 1806]
  1st: Horatio Walpole (10 Apr 1806-24 Feb 1809)
  2nd: Horatio Walpole (24 Feb 1809-15 Jun 1822)
  3rd: Horatio Walpole (15 Jun 1822-29 Dec 1858)
  4th: Horatio William Walpole (29 Dec 1858-7 Dec 1894)
  5th: Robert Horace Walpole (7 Dec 1894-27 Sep 1931)

Earl of Orford, co. Suffolk    [England, 1697]
  1st: Edward Russell (7 May 1697-26 Nov 1727)

Earl of Orkney    [Scotland, 1379]
  1st: Henry Sinclair (2 Aug 1379-1404) in Marstrand, Norway
  2nd: Henry Sinclair (c 1404-c 1 Feb 1421)
  3rd: William Sinclair (c 1 Feb 1421-b 21 May 1480)

Earl of Orkney    [Scotland, 1696]
  1st: George Hamilton (3 Jan 1696-29 Jan 1737)
  2nd: Anne Hamilton (29 Jan 1737-7 Dec 1756)
  3rd: Mary O'Brien (6 Dec 1756-10 May 1791)
  4th: Mary O'Brien (10 May 1791-30 Dec 1831)
  5th: Thomas John Hamilton FitzMaurice (30 Dec 1831-16 May 1877)
  6th: George William Hamilton FitzMaurice (16 May 1877-21 Oct 1889)
  7th: Edmond Walter FitzMaurice (21 Oct 1889-21 Aug 1951)
  8th: Cecil O'Bryen FitzMaurice (21 Aug 1951-5 Feb 1998)
  9th: Oliver Peter St. John (5 Feb 1998- )

Earl of Ormelie    [United Kingdom, 1831]
  1st: John Campbell (12 Sep 1831-29 Mar 1834)
  2nd: John Campbell (29 Mar 1834-8 Nov 1862)

Earl of Ormelie, co. Caithness    [United Kingdom, 1885]
  1st: Gavin Campbell (11 Jul 1885-19 Oct 1922)

Earl of Ormond    [Scotland, 1445]
  1st: Hugh Douglas (b 3 Jul 1445-a 1 May 1455)

Earl of Ormond    [Scotland, 1651]
  1st: Archibald Douglas (3 Apr 1651-16 Apr 1655) but did not pass the Great Seal due to Cromwell's invasion of Scotland

Earl of Ormonde    [Ireland, 1328]
  1st: James Butler (bt 1328-1328-6 Jan 1337)
  2nd: James Butler (6 Jan 1337-18 Oct 1382)
  3rd: James Butler (18 Oct 1382-6 Sep 1405)
  4th: James Butler (7 Sep 1405-22 Aug 1452)
  5th: James Butler (22 Aug 1452-1 May 1461)
  6th: John Butler (1 May 1461-b 15 Jun 1477)
  7th: Thomas Butler (1478-3 Aug 1515)
  8th: Piers Butler (3 Aug 1515-26 Aug 1539)
  9th: James Butler (26 Aug 1539-28 Oct 1546)
10th: Thomas Butler (28 Oct 1546-22 Nov 1614)
11th: Walter Butler (22 Nov 1614-24 Feb 1632)
12th: James Butler (24 Feb 1633-21 Jul 1688)
13th: James Butler (21 Jul 1688-16 Nov 1745)
14th: Charles Butler (16 Nov 1745-17 Dec 1758)
15th: John Butler (17 Dec 1758-24 Jun 1766) de jure
16th: Walter Butler (24 Jun 1766-2 Jun 1783) de jure
17th: John Butler (2 Jun 1783-25 Dec 1795)
18th: Walter Butler (30 Dec 1795-10 Aug 1820)
19th: James Wandesford Butler (10 Aug 1820-18 May 1838)
20th: John Butler (18 May 1838-25 Sep 1854)
21st: James Edward William Theobald Butler (25 Sep 1854-26 Oct 1919)
22nd: James Arthur Wellington Foley Butler (26 Oct 1919-4 Jul 1943)
23rd: James George Anson Butler (4 Jul 1943-21 Jun 1949)
24th: James Arthur Norman Butler (21 Jun 1949-17 Apr 1971)
25th: James Hubert Theobald Charles Butler (17 Apr 1971-25 Oct 1997)

Earl of Ormonde    [Ireland, 1529]
  1st: Thomas Boleyn (8 Dec 1529-12 Mar 1539)

Earl of Orrery    [Ireland, 1660]
  1st: Roger Boyle (5 Sep 1660-16 Oct 1679)
  2nd: Roger Boyle (16 Oct 1679-29 Mar 1682)
  3rd: Lionel Boyle (29 Mar 1682-24 Aug 1703)
  4th: Charles Boyle (24 Aug 1703-28 Aug 1731)
  5th: John Boyle (28 Aug 1731-23 Nov 1762)
  6th: Hamilton Boyle (23 Nov 1762-17 Jan 1764)
  7th: Edmund Boyle (17 Jan 1764-6 Oct 1798)
  8th: Edmund Boyle (6 Oct 1798-29 Jun 1856)
  9th: Richard Edmund St. Lawrence Boyle (29 Jun 1856-22 Jun 1904)
10th: Charles Spencer Boyle (22 Jun 1904-25 Mar 1925)
11th: Robert John Lascelles Boyle (25 Mar 1925-13 Oct 1934)
12th: William Henry Dudley Boyle (13 Oct 1934-19 Apr 1967)
13th: Patrick Reginald Boyle (19 Apr 1967-8 Aug 1995)
14th: John William Boyle (8 Aug 1995-14 Nov 2003)
15th: John Richard Boyle (14 Nov 2003- )

Earl of Ossory    [Ireland, 1528]
  1st: Piers Butler (23 Feb 1528-26 Aug 1539)
  2nd: James Butler (26 Aug 1539-28 Oct 1546)
  3rd: Thomas Butler (28 Oct 1546-22 Nov 1614)
  4th: Walter Butler (22 Nov 1614-24 Feb 1632)
  5th: James Butler (24 Feb 1633-21 Jul 1688)
  6th: Thomas Butler (8 Aug 1662-30 Jul 1680) called up to the Irish House of Parliament in his father's lifetime
  7th: James Butler (30 Jul 1680-16 Nov 1745)
  8th: Charles Butler (16 Nov 1745-17 Dec 1758)
  9th: John Butler (17 Dec 1758-24 Jun 1766) de jure
10th: Walter Butler (24 Jun 1766-2 Jun 1783) de jure
11th: John Butler (2 Jun 1783-25 Dec 1795)
12th: Walter Butler (30 Dec 1795-10 Aug 1820)
13th: James Wandesford Butler (10 Aug 1820-18 May 1838)
14th: John Butler (18 May 1838-25 Sep 1854)
15th: James Edward William Theobald Butler (25 Sep 1854-26 Oct 1919)
16th: James Arthur Wellington Foley Butler (26 Oct 1919-4 Jul 1943)
17th: James George Anson Butler (4 Jul 1943-21 Jun 1949)
18th: James Arthur Norman Butler (21 Jun 1949-17 Apr 1971)
19th: James Hubert Theobald Charles Butler (17 Apr 1971-25 Oct 1997)

Earl of Oxford    [England, 1142]
  1st: Aubrey Vere (1142-26 Dec 1194)
  2nd: Aubrey Vere (26 Dec 1194-b Oct 1214)
  3rd: Robert Vere (b Oct 1214-b 25 Oct 1221)
  4th: Hugh Vere (25 Oct 1221-b 23 Dec 1263)
  5th: Robert Vere (b 23 Dec 1263-b 7 Sep 1296)
  6th: Robert Vere (b 7 Sep 1296-17 Apr 1331)
  7th: John Vere (17 Apr 1331-Jan 1359)
  8th: Thomas Vere (24 Jan 1360-18 Sep 1371)
  9th: Robert Vere (18 Sep 1371-1392)
10th: Aubrey Vere (Jan 1393-23 Apr 1400)
11th: Richard Vere (23 Apr 1400-15 Feb 1417)
12th: John Vere (15 Feb 1417-26 Feb 1462)
13th: John Vere (Jan 1464-10 Mar 1513)
14th: John Vere (10 Mar 1513-14 Jul 1526)
15th: John Vere (14 Jul 1526-21 Mar 1540)
16th: John Vere (21 Mar 1540-3 Aug 1562)
17th: Edward Vere (3 Aug 1562-24 Jun 1604)
18th: Henry Vere (24 Jun 1604-bt 1625-1625)
19th: Robert Vere (5 Apr 1626-7 Aug 1632)
20th: Aubrey Vere (7 Aug 1632-12 Mar 1703)

Earl of Oxford and Asquith    [United Kingdom, 1925]
  1st: Herbert Henry Asquith (9 Feb 1925-15 Dec 1928)
  2nd: Edward Julian George Asquith (1928-16 Jan 2011)
  3rd: Raymond Benedict Bartholomew Asquith (16 Jan 2011- )

Earl Peel    [United Kingdom, 1929]
  1st: William Robert Wellesley Peel (10 Jul 1929-28 Sep 1937)
  2nd: Arthur William Ashton Peel (28 Sep 1937-1969)
  3rd: William James Robert Peel (22 Sep 1969- )

Earl of Pembroke    [England, 1138]
  1st: Gilbert Clare (c 1138-1148)
  2nd: Richard FitzGilbert Clare (1149-20 Apr 1176)
  3rd: Gilbert Clare (1176-c 1186) although he was never so styled as a minor
  4th: Isabella Clare ( -1220) suo jure

Earl of Pembroke    [England, 1199]
  1st: William Marshal (27 May 1199-14 May 1219)
  2nd: William Marshal (12 May 1219-24 Apr 1231)
  3rd: Richard Marshal (6 Apr 1231-16 Apr 1234)
  4th: Gilbert Marshal (16 Apr 1234-27 Jun 1241)
  5th: Walter Marshal (27 Jun 1241-24 Nov 1245)
  6th: Anselm Marshal (24 Nov 1245-22 Dec 1245)

Earl of Pembroke    [England, 1339]
  1st: Laurence Hastings (13 Feb 1339-30 Aug 1348)
  2nd: John Hastings (30 Aug 1348-16 Apr 1375)
  3rd: John Hastings (16 Apr 1375-30 Dec 1389) but was never invested as such

Earl of Pembroke    [England, 1453]
  1st: Jasper Tudor (6 Mar 1453-21 Dec 1495)

Earl of Pembroke    [England, 1468]
  1st: William Herbert (8 Sep 1468-27 Jul 1469)
  2nd: William Herbert (27 Jul 1469-16 Jul 1491)

Earl of Pembroke    [England, 1479]
  1st: Edward V Plantagenet (8 Jul 1479-a Nov 1483)

Earl of Pembroke    [England, 1551]
  1st: William Herbert (11 Oct 1551-17 Mar 1570)
  2nd: Henry Herbert (17 Mar 1570-19 Jan 1601)
  3rd: William Herbert (19 Jan 1601-10 Apr 1630)
  4th: Philip Herbert (10 Apr 1630-23 Jan 1650)
  5th: Philip Herbert (23 Jan 1650-11 Dec 1669)
  6th: William Herbert (11 Dec 1669-8 Jul 1674)
  7th: Philip Herbert (8 Jul 1674-29 Aug 1683)
  8th: Thomas Herbert (29 Aug 1683-22 Jan 1733)
  9th: Henry Herbert (22 Jan 1733-9 Jan 1750)
10th: Henry Herbert (9 Jan 1750-26 Jan 1794)
11th: George Augustus Herbert (26 Jan 1794-26 Oct 1827)
12th: Robert Henry Herbert (26 Oct 1827-25 Apr 1862)
13th: George Robert Charles Herbert (25 Apr 1862-3 May 1895)
14th: Sidney Herbert (3 May 1895-30 Mar 1913)
15th: Reginald Herbert (30 Mar 1913-13 Jan 1960)
16th: Sidney Charles Herbert (13 Jan 1960-16 Mar 1969)
17th: Henry George Charles Alexander Herbert (16 Mar 1969-7 Oct 2003)
18th: William Alexander Sidney Herbert (7 Oct 2003- )

Earl Percy    [Great Britain, 1766]
  1st: Hugh Percy (22 Oct 1766-6 Jun 1786)
  2nd: Hugh Percy (6 Jun 1786-10 Jul 1817)
  3rd: Hugh Percy (10 Jul 1817-11 Feb 1847)
  4th: Algernon Percy (11 Feb 1847-12 Feb 1865)
  5th: George Percy (12 Feb 1865-22 Aug 1867)
  6th: Algernon George Percy (21 Aug 1867-2 Jan 1899)
  7th: Henry George Percy (2 Jan 1899-14 May 1918)
  8th: Alan Ian Percy (14 May 1918-23 Aug 1930)
  9th: Henry George Alan Percy (23 Aug 1930-21 May 1940)
10th: Hugh Algernon Percy (21 May 1940-11 Oct 1988)
11th: Henry Alan Walter Richard Percy (11 Oct 1988-31 Oct 1995)
12th: Ralph George Algernon Percy (31 Oct 1995- )

Earl of Perth    [Scotland, 1605]
  1st: James Drummond (4 Mar 1605-18 Dec 1611) with special remainder to heirs male whatsoever
  2nd: John Drummond (8 Dec 1611-11 Jun 1662)
  3rd: James Drummond (11 Jun 1662-2 Jun 1675)
  4th: James Drummond (2 Jun 1675-11 May 1716)
  5th: James Drummond (11 May 1716-6 Apr 1720) de jure
  6th: James Drummond (6 Apr 1720-13 May 1746) de jure
  7th: John Drummond (13 May 1746-28 Sep 1747) de jure
  8th: John Drummond (28 Sep 1747-27 Oct 1757) de jure
  9th: Edward Drummond (27 Oct 1757-6 Feb 1760) de jure
10th: James Drummond (6 Feb 1760-18 Jul 1781) de jure
11th: James Drummond (18 Jul 1781-2 Jul 1800) de jure
12th: James Lewis Drummond (2 Jul 1800-Sep 1800) de jure
13th: Charles Edward Drummond (Sep 1800-9 Apr 1840) de jure
14th: George Drummond (28 Jun 1853-28 Feb 1902)
15th: William Huntley Drummond (28 Feb 1902-20 Aug 1937)
16th: James Eric Drummond (20 Aug 1937-15 Dec 1951)
17th: John David Drummond (15 Dec 1951-25 Nov 2002)
18th: John Eric Drummond (25 Nov 2002- )

Earl of Peterborough, co. Northampton    [England, 1628]
  1st: John Mordaunt (9 Mar 1628-19 Jun 1644)
  2nd: Henry Mordaunt (19 Jun 1644-19 Jun 1697)
  3rd: Charles Mordaunt (19 Jun 1697-25 Oct 1735)
  4th: Charles Mordaunt (25 Oct 1735-1 Aug 1779)
  5th: Charles Henry Mordaunt (1 Aug 1779-16 Jun 1814)

Earl of Plymouth    [England, 1682]
  1st: Thomas Windsor Windsor (6 Dec 1682-3 Nov 1687)
  2nd: Other Windsor (3 Nov 1687-26 Dec 1727)
  3rd: Other Windsor (26 Dec 1727-23 Nov 1732)
  4th: Other Lewis Windsor (23 Nov 1732-20 Apr 1771)
  5th: Other Hickman Windsor (20 Apr 1771-12 Jun 1799)
  6th: Other Archer Windsor (12 Jun 1799-10 Jul 1833)
  7th: Andrews Windsor (12 Jun 1799-19 Jan 1837)
  8th: Henry Windsor (19 Jan 1837-8 Dec 1843)

Earl of Plymouth, co. Devon    [United Kingdom, 1905]
  1st: Robert George Windsor-Clive (18 Dec 1905-6 Mar 1923)
  2nd: Ivor Miles Windsor-Clive (6 Mar 1923-1 Oct 1943)
  3rd: Other Robert Ivor Windsor-Clive (1 Oct 1943- )

Earl of Portarlington, in the Queen's County    [Ireland, 1785]
  1st: John Dawson (21 Jun 1785-25 Nov 1798)
  2nd: John Dawson (25 Nov 1798-28 Dec 1845)
  3rd: Henry John Reuben Dawson-Damer (27 May 1845-1 Mar 1889)
  4th: Lionel Seymour William Dawson-Damer (1 Mar 1889-17 Dec 1892)
  5th: Lionel George Henry Seymour Dawson-Damer (17 Dec 1892-31 Aug 1900)
  6th: Lionel George Henry Seymour Dawson-Damer (31 Aug 1900-4 Jul 1959)
  7th: George Lionel Yuill Seymour Dawson-Damer (4 Jul 1959- )

Earl of Portland, co. Dorset    [England, 1689]
  1st: Hans William Bentinck (9 Apr 1689-23 Nov 1709)
  2nd: Henry Bentinck (23 Nov 1709-4 Jul 1726)
  3rd: William Bentinck (4 Jul 1726-1 May 1762)
  4th: William Henry Cavendish-Bentinck (1 May 1762-30 Oct 1809)
  5th: William Henry Cavendish-Scott-Bentinck (30 Oct 1809-27 Mar 1854)
  6th: William John Cavendish Cavendish-Scott-Bentinck (27 Mar 1854-6 Dec 1879)
  7th: William John Arthur Charles James Cavendish-Bentinck (6 Dec 1879-26 Apr 1943)
  8th: William Arthur Henry Cavendish-Bentinck (26 Apr 1943-21 Mar 1977)
  9th: Ferdinand William Cavendish-Bentinck (21 Mar 1977-13 Dec 1980)
10th: Victor Frederick William Cavendish-Bentinck (13 Dec 1980-30 Jul 1990)
11th: Henry Noel Bentinck (30 Jul 1990-30 Jan 1997)
12th: Timothy Charles Robert Noel Bentinck (30 Jan 1997- )

Earl of Portsmouth, co. Southampton    [Great Britain, 1743]
  1st: John Wallop (11 Apr 1743-23 Nov 1762)
  2nd: John Wallop (22 Nov 1762-16 May 1797)
  3rd: John Charles Wallop (16 May 1797-14 Jul 1853)
  4th: Newton Fellowes (14 Jul 1853-9 Jan 1854)
  5th: Isaac Newton Wallop (9 Jan 1854-4 Oct 1891)
  6th: Newton Wallop (4 Oct 1891-4 Dec 1917)
  7th: John Fellowes Wallop (4 Dec 1917-7 Sep 1925)
  8th: Oliver Henry Wallop (7 Sep 1925-10 Feb 1943)
  9th: Gerard Vernon Wallop (10 Feb 1943-28 Sep 1984)
10th: Quenton Gerard Carew Wallop (28 Sep 1984- )

Earl of Powis, co. Montgomery    [England, 1674]
  1st: William Herbert (4 Apr 1674-2 Jun 1696)
  2nd: William Herbert (2 Jun 1696-22 Oct 1745)
  3rd: William Herbert (22 Oct 1745-8 Mar 1748)

Earl of Powis, co. Montgomery    [Great Britain, 1748]
  1st: Henry Arthur Herbert (27 May 1748-10 Sep 1772)
  2nd: George Edward Henry Arthur Herbert (10 Sep 1772-16 Jan 1801)

Earl of Powis, in co. Montgomery    [United Kingdom, 1804]
  1st: Edward Clive (14 May 1804-16 May 1839)
  2nd: Edward Herbert (16 May 1839-17 Jan 1848)
  3rd: Edward James Herbert (17 Jan 1848-7 May 1891)
  4th: George Charles Herbert (7 May 1891-9 Nov 1952)
  5th: Edward Robert Henry Herbert (9 Nov 1952-15 Jan 1974)
  6th: Christian Victor Charles Herbert (15 Jan 1974-Oct 1988)
  7th: George William Herbert (1988-13 Aug 1993)
  8th: John George Herbert (13 Aug 1993- )

Earl of Queensberry    [Scotland, 1633]
  1st: William Douglas (13 Jun 1633-8 Mar 1640) with special remainder to his heirs male bearing the surname and arms of Douglas
  2nd: James Douglas (8 Mar 1640-1671)
  3rd: William Douglas (1671-28 Mar 1695)
  4th: James Douglas (28 Mar 1695-6 Jul 1711)
  5th: James Douglas (6 Jul 1711-c 14 Feb 1715)
  6th: Charles Douglas (c 14 Feb 1715-22 Oct 1778)
  7th: William Douglas (22 Oct 1778-23 Dec 1810)
  8th: Charles Douglas (23 Dec 1810-3 Dec 1837)
  9th: John Douglas (3 Dec 1837-19 Dec 1856)
10th: Archibald William Douglas (19 Dec 1856-6 Aug 1858)
11th: John Sholto Douglas (6 Aug 1858-31 Jan 1900)
12th: Percy Sholto Douglas (31 Jan 1900-1 Aug 1920)
13th: Francis Archibald Kelhead Douglas (1 Aug 1920-27 Apr 1954)
14th: David Harrington Angus Douglas (27 Apr 1954- )

Earl of the county of Radnor    [Great Britain, 1765]
  1st: William Bouverie (31 Oct 1765-28 Jan 1776) with special remainder to the male descendants of his father
  2nd: Jacob Pleydell-Bouverie (28 Jan 1776-27 Jan 1828)
  3rd: William Pleydell-Bouverie (27 Jan 1828-9 Apr 1869)
  4th: Jacob Pleydell-Bouverie (9 Apr 1869-11 Mar 1889)
  5th: William Pleydell-Bouverie (11 Mar 1889-3 Jun 1900)
  6th: Jacob Pleydell-Bouverie (3 Jun 1900-26 Jun 1930)
  7th: William Pleydell-Bouverie (26 Jun 1930-23 Nov 1968)
  8th: Jacob Pleydell-Bouverie (23 Nov 1968-11 Aug 2008)
  9th: William Pleydell-Bouverie (11 Aug 2008- )

Earl of Ranelagh    [Ireland, 1677]
  1st: Richard Jones (11 Dec 1677-5 Jan 1712)

Earl of Ranfurly    [Ireland, 1831]
  1st: Thomas Knox (14 Sep 1831-26 Apr 1840)
  2nd: Thomas Knox (26 Apr 1840-21 Mar 1858)
  3rd: Thomas Knox (21 Mar 1858-20 May 1858)
  4th: Thomas Granville Henry Stuart Knox (20 May 1858-10 May 1875)
  5th: Uchter John Mark Knox (10 May 1875-1 Oct 1933)
  6th: Thomas Daniel Knox (1 Oct 1933-6 Nov 1988)
  7th: Gerald Francoys Needham Knox (1988- )

Earl of Rathdowne    [Ireland, 1822]
  1st: Henry Stanley Monck (12 Jan 1822-20 Sep 1848)

Earl of Ravensworth    [United Kingdom, 1874]
  1st: Henry Thomas Liddell (2 Apr 1874-19 Mar 1878)
  2nd: Henry George Liddell (19 Mar 1878-22 Jul 1903)
  3rd: Atholl Charles John Liddell (22 Jul 1903-7 Feb 1904)

Earl of Rawdon    [United Kingdom, 1817]
  1st: Francis Rawdon-Hastings (13 Apr 1817-28 Nov 1826)

Earl of Reading    [United Kingdom, 1917]
  1st: Rufus Daniel Isaacs (20 Dec 1917-30 Dec 1935)
  2nd: Gerald Rufus Isaacs (30 Dec 1935-19 Sep 1960)
  3rd: Michael Alfred Rufus Isaacs (19 Sep 1960-2 Jul 1980)
  4th: Simon Charles Henry Rufus Isaacs (2 Jul 1980- )

Earl of Redesdale, co. Northumberland    [United Kingdom, 1877]
  1st: John Thomas Freeman-Mitford (3 Jan 1877-2 May 1886)

Earl of Richmond    [England, 1613]
  1st: Ludovic Stuart (6 Oct 1613-16 Feb 1624)

Earl of Ripon, co. York    [United Kingdom, 1833]
  1st: Frederick John Robinson (13 Apr 1833-28 Jan 1859)
  2nd: George Frederick Samuel Robinson (28 Jan 1859-9 Jul 1909)
  3rd: Frederick Oliver Robinson (9 Jul 1909-22 Sep 1923)

Earl Roberts, of Kandahar in Afghanistan and Pretoria in the Transvaal Colony and of the City of Waterford    [United Kingdom, 1901]
  1st: Frederick Sleigh Roberts (11 Feb 1901-14 Nov 1914) with a special remainder to his daughters and their male heirs
  2nd: Aileen Mary Roberts (14 Nov 1914-9 Oct 1944)
  3rd: Ada Edwina Stewart Roberts (9 Oct 1944-21 Feb 1955)

Earl of Rochford    [England, 1696]
  1st: Henry FitzJames (13 Jan 1696-16 Dec 1702) created by his father, King James II, while in exile

Earl of Rockingham, co. Northampton    [Great Britain, 1714]
  1st: Lewis Watson (9 Oct 1714-19 Mar 1724)
  2nd: Lewis Watson (19 Mar 1714-4 Dec 1745)
  3rd: Thomas Watson (4 Dec 1745-26 Feb 1746)

Earl of Rocksavage, co. Chester    [United Kingdom, 1815]
  1st: George James Cholmondeley (22 Nov 1815-10 Apr 1827)
  2nd: George Horatio Cholmondeley (10 Apr 1827-8 May 1870)
  3rd: William Henry Hugh Cholmondeley (8 May 1870-16 Dec 1884)
  4th: George Henry Hugh Cholmondeley (16 Dec 1884-16 Mar 1923)
  5th: George Horatio Charles Cholmondeley (16 Mar 1923-16 Sep 1968)
  6th: George Hugh Cholmondeley (16 Sep 1968-13 Mar 1990)
  7th: David George Philip Cholmondeley (13 Mar 1990- )

Earl of Roden, of High Roding, co. Tipperary    [Ireland, 1771]
  1st: Robert Jocelyn (1 Dec 1771-22 Jun 1797)
  2nd: Robert Jocelyn (22 Jun 1797-29 Jun 1820)
  3rd: Robert Jocelyn (29 Jun 1820-20 Mar 1870)
  4th: Robert Jocelyn (20 Mar 1870-9 Jan 1880)
  5th: John Strange Jocelyn (9 Jan 1880-3 Jul 1897)
  6th: William Henry Jocelyn (3 Jul 1897-23 Jan 1910)
  7th: Robert Julian Orde Jocelyn (23 Jan 1910-18 Dec 1915)
  8th: Robert Soame Jocelyn (18 Dec 1915-30 Oct 1956)
  9th: Robert William Jocelyn (30 Oct 1956-18 Oct 1993)
10th: Robert John Jocelyn (1993- )

Earl of Romney, co. Kent    [England, 1694]
  1st: Henry Sydney (14 May 1694-8 Apr 1704)

Earl of Romney, of the Mote    [United Kingdom, 1801]
  1st: Charles Marsham (22 Jun 1801-1 Mar 1811)
  2nd: Charles Marsham (1 Mar 1811-29 Mar 1845)
  3rd: Charles Marsham (29 Mar 1845-3 Sep 1874)
  4th: Charles Marsham (3 Sep 1874-21 Aug 1905)
  5th: Charles Marsham (21 Aug 1905-13 Mar 1933)
  6th: Charles Marsham (13 Mar 1933-6 Sep 1975)
  7th: Michael Henry Marsham (6 Sep 1975-5 Jun 2004)
  8th: Julian Charles Marsham (5 Jun 2004- )

Earl of Ronaldshay, co. Orkney    [United Kingdom, 1892]
  1st: Lawrence Dundas (22 Aug 1892-11 Mar 1929)
  2nd: Lawrence John Lumley Dundas (11 Mar 1929-6 Feb 1961)
  3rd: Lawrence Aldred Mervyn Dundas (6 Feb 1961-5 Oct 1989)
  4th: Lawrence Mark Dundas (6 Oct 1989- )

Earl of Rosebery    [Scotland, 1700]
  5th: Archibald Philip Primrose (4 Mar 1868-21 May 1929)

Earl of Rosebery    [Scotland, 1703]
  1st: Archibald Primrose (10 Apr 1703-20 Oct 1723) with special remainder to heirs male of his body, in default of which, to heirs female of his body
  2nd: James Primrose (20 Oct 1723-26 Nov 1755)
  3rd: Neil Primrose (26 Nov 1755-25 Mar 1814)
  4th: Archibald John Primrose (25 Mar 1814-4 Mar 1868)
  6th: Albert Edward Harry Mayer Archibald Primrose (21 May 1929-30 May 1974)
  7th: Neil Archibald Primrose (30 May 1974- )

Earl of Ross    [Scotland, 1225]
  1st: Ferquard Mac Taggart (c 24 Dec 1225-c 1251)
  2nd: William Ross (c 1251-May 1274)
  3rd: William Ross (May 1274-28 Jan 1323)
  4th: Aodh Ross (28 Jan 1323-19 Jul 1333)
  5th: William Ross (19 Jul 1333-9 Feb 1372)
  6th: Eupheme Ross (bt 1371-1372-bt 1394-1395) suo jure
  7th: Alexander Leslie (c 1394-8 May 1402)
  8th: Eupheme Leslie (8 May 1402-a 1424)
  9th: Mary Leslie (12 Jun 1415-c 1435)

Earl of Ross    [Scotland, 1565]
  1st: Henry Stuart (15 May 1565-10 Feb 1567)
  2nd: James I Charles Stuart (10 Feb 1567-27 Mar 1625)

Earl of Ross    [Scotland, 1600]
  1st: Charles I Stuart (23 Dec 1600-30 Jan 1649)

Earl of Ross    [Ireland, 1772]
  1st: Ralph Gore (4 Jan 1772-1802)

Earl of Rosse    [Ireland, 1718]
  1st: Richard Parsons (16 Jun 1718-26 Jun 1741)
  2nd: Richard Parsons (26 Jun 1741-27 Aug 1764)

Earl of Rosse    [Ireland, 1806]
  1st: Laurence Harman (3 Feb 1806-20 Apr 1807) with special remainder to heirs male of his body, in default of which to his nephew of the half-blood, Laurence
  2nd: Laurence Parsons (20 Apr 1807-24 Feb 1841)
  3rd: William Parsons (24 Feb 1841-31 Oct 1867)
  4th: Laurence Parsons (31 Oct 1867-29 Aug 1908)
  5th: William Edward Parsons (29 Aug 1908-10 Jun 1918)
  6th: Laurence Michael Harvey Parsons (10 Jun 1918-1 Jul 1979)
  7th: William Clere Leonard Brendan Parsons (1 Jul 1979- )

Earl of Rosslyn    [United Kingdom, 1801]
  1st: Alexander Wedderburn (21 Apr 1801-3 Jan 1805) with special remainder to his sister's sons
  2nd: James St. Clair-Erskine (3 Jan 1805-18 Jan 1837)
  3rd: James Alexander St. Clair-Erskine (18 Jan 1837-16 Jun 1866)
  4th: Robert Francis St. Clair-Erskine (16 Jun 1866-6 Sep 1890)
  5th: James Francis Harry St. Clair-Erskine (6 Sep 1890-10 Aug 1939)
  6th: Anthony Hugh Francis Harry St. Clair-Erskine (10 Aug 1939-22 Nov 1977)
  7th: Peter St. Clair-Erskine (22 Nov 1977- )

Earl of Rothes    [Scotland, 1458]
  1st: George Leslie (fr 1457-1458-fr 1489-1490)
  2nd: George Leslie (May 1490-fr 1513-1513)
  3rd: William Leslie (Mar 1513-9 Sep 1513)
  4th: George Leslie (9 Feb 1513-28 Nov 1558)
  5th: Andrew Leslie (28 Nov 1558-1611)
  6th: John Leslie (1611-Aug 1641)
  7th: John Leslie (Aug 1641-26 Jul 1681)
  8th: Margaret Leslie (26 Jul 1681-20 Aug 1700)
  9th: John Leslie (20 Aug 1700-4 Sep 1721)
10th: John Leslie (4 Sep 1721-1767)
11th: John Leslie (1767-1773)
12th: Jane Elizabeth Leslie (18 Jul 1773-2 Jun 1810)
13th: George William Evelyn-Leslie (1810-1817)
14th: Henrietta Anne Evelyn-Leslie (1817-30 Jan 1819)
15th: George William Evelyn Leslie (30 Jan 1819-10 Mar 1841)
16th: George William Evelyn Leslie (10 Mar 1841-2 Jan 1859)
17th: Henrietta Anderson Morshead Leslie (2 Jan 1859-10 Feb 1886)
18th: Mary Elizabeth Leslie (10 Feb 1886-19 Sep 1893)
19th: Norman Evelyn Leslie (19 Sep 1893-29 Mar 1927)
20th: Malcolm George Dyer-Edwardes Leslie (29 Mar 1927-17 May 1975)
21st: Ian Lionel Malcolm Leslie (17 May 1975-15 Apr 2005)
22nd: James Malcolm David Leslie (15 Apr 2005- )

Earl of Roxburghe    [Scotland, 1616]
  1st: Robert Ker (18 Sep 1616-18 Jan 1650) with special remainder to his heirs male
  2nd: William Ker (18 Jan 1650-2 Jul 1675) under the terms of his grandfather's deed
  3rd: Robert Ker (2 Jul 1675-8 May 1682)
  4th: Robert Ker (8 May 1682-13 Jul 1696)
  5th: John Ker (13 Jul 1696-27 Feb 1741)
  6th: Robert Ker (27 Feb 1741-20 Aug 1755)
  7th: John Ker (20 Aug 1755-19 Mar 1804)
  8th: William Bellenden-Ker (19 Mar 1804-22 Oct 1805)
  9th: James Innes-Ker (22 Oct 1805-19 Jul 1823)
10th: James Henry Robert Innes-Ker (19 Jul 1823-23 Apr 1879)
11th: James Henry Robert Innes-Ker (23 Apr 1879-23 Oct 1892)
12th: Henry John Innes-Ker (23 Oct 1892-29 Sep 1932)
13th: George Victor Robert John Innes-Ker (29 Sep 1932-26 Sep 1974)
14th: Guy David Innes-Ker (26 Sep 1974- )

Earl of Ruglen    [Scotland, 1697]
  1st: John Hamilton (14 Apr 1697-3 Dec 1744)
  2nd: Anne Hamilton (3 Dec 1744-21 Apr 1748)
  3rd: William Douglas (21 Apr 1748-23 Dec 1810)

Earl Russell, of Kingston Russell, co. Dorset    [United Kingdom, 1861]
  1st: John Russell (30 Jul 1861-28 May 1878)
  2nd: John Francis Stanley Russell (28 May 1878-3 Mar 1931)
  3rd: Bertrand Arthur William Russell (3 Mar 1931-2 Feb 1970)
  4th: John Conrad Russell (2 Feb 1970-1987)
  5th: Conrad Sebastion Robert Russell (1987-14 Oct 2004)
  6th: Nichols Kyulph Russell (14 Oct 2004-17 Aug 2014)
  7th: John Francis Russell (17 Aug 2014- )

Earl of Rutland    [England, 1390]
  1st: Edward York (25 Feb 1390-25 Oct 1415)

Earl of Rutland    [England, 1525]
  1st: Thomas Manners (18 Jun 1525-20 Sep 1543)
  2nd: Henry Manners (20 Sep 1543-17 Sep 1563)
  3rd: Edward Manners (17 Sep 1563-14 Apr 1587)
  4th: John Manners (14 Apr 1587-24 Feb 1588)
  5th: Roger Manners (24 Feb 1588-26 Jun 1612)
  6th: Francis Manners (26 Jun 1612-17 Dec 1632)
  7th: George Manners (17 Dec 1632-29 Mar 1641)
  8th: John Manners (29 Mar 1641-29 Sep 1679)
  9th: John Manners (29 Sep 1679-10 Jan 1711)
10th: John Manners (10 Jan 1711-22 Feb 1721)
11th: John Manners (22 Feb 1721-29 May 1779)
12th: Charles Manners (29 May 1779-24 Oct 1787)
13th: John Henry Manners (24 Oct 1787-20 Jan 1857)
14th: Charles Cecil John Manners (20 Jan 1857-3 Mar 1888)
15th: John James Robert Manners (3 Mar 1888-4 Apr 1906)
16th: Henry John Brinsley Manners (4 Aug 1906-8 May 1925)
17th: John Henry Montagu Manners (8 May 1925-22 Apr 1940)
18th: Charles John Robert Manners (22 Apr 1940-2 Jan 1999)
19th: David Charles Robert Manners (3 Jan 1999- )

Earl of Saint Albans    [England, 1660]
  1st: Henry Jermyn (27 Apr 1660-1683)

Earl of Saint Albans, co. Hertford    [England, 1628]
  1st: Richard Bourke (23 Aug 1628-12 Nov 1635)
  2nd: Ulrick Bourke (12 Nov 1635-29 Apr 1658)

Earl Saint Aldwyn, of Coln Saint Aldwyn, co. Gloucester    [United Kingdom, 1915]
  1st: Michael Edward Hicks-Beach (22 Feb 1915-30 Apr 1916)
  2nd: Michael John Hicks-Beach (30 Apr 1916-29 Jan 1992)
  3rd: Michael Henry Hicks-Beach (29 Jan 1992- )

Earl of Saint Germans, co. Cornwall    [United Kingdom, 1815]
  1st: John Eliot (28 Nov 1815-17 Nov 1823) with special remainder to his brother
  2nd: William Eliot (17 Nov 1823-19 Jan 1845)
  3rd: Edward Granville Eliot (19 Jan 1845-7 Oct 1877)
  4th: William Gordon Cornwallis Eliot (7 Oct 1877-19 Mar 1881)
  5th: Henry Cornwallis Eliot (19 Mar 1881-24 Sep 1911)
  6th: John Granville Cornwallis Eliot (24 Sep 1911-31 Mar 1922)
  7th: Granville John Eliot (31 Mar 1922-20 Nov 1942)
  8th: Montague Charles Eliot (20 Nov 1942-19 Sep 1960)
  9th: Nicholas Richard Michael Eliot (19 Sep 1960-11 Mar 1988)
10th: Peregrine Nicholas Eliot (11 Mar 1988-15 Jul 2016)
11th: Albert Clarence Eliot (15 Jul 2016- )

Earl of Saint Vincent    [Great Britain, 1797]
  1st: John Jervis (23 Jun 1797-13 Mar 1823)

Earl of Salisbury    [England, 1472]
  1st: George Plantagenet (25 Mar 1472-18 Feb 1478)

Earl of Salisbury    [England, 1605]
  1st: Robert Cecil (4 May 1605-24 May 1612)
  2nd: William Cecil (24 May 1612-3 Dec 1668)
  3rd: James Cecil (3 Dec 1668-May 1683)
  4th: James Cecil (May 1683-24 Oct 1694)
  5th: James Cecil (24 Oct 1694-9 Oct 1728)
  6th: James Cecil (9 Oct 1728-19 Sep 1780)
  7th: James Brownlow William Gascoyne-Cecil (13 Jun 1823-12 Apr 1868)
  7th: James Cecil (19 Sep 1780-13 Jun 1823)
  9th: Robert Arthur Talbot Gascoyne-Cecil (12 Apr 1868-22 Aug 1903)
10th: James Edward Hubert Gascoyne-Cecil (22 Aug 1903-4 Apr 1947)
11th: Robert Arthur James Gascoyne-Cecil (4 Apr 1947-23 Feb 1972)
12th: Robert Edward Peter Gascoyne-Cecil (23 Feb 1972-11 Jul 2003)
13th: Robert Michael James Gascoyne-Cecil (11 Jul 2003- )

Earl of Sallway    [Scotland, 1706]
  1st: Charles Douglas (17 Jun 1706-22 Oct 1778) with special remainder to his younger brothers

Earl of Sandwich, co. Kent    [England, 1660]
  1st: Edward Montagu (12 Jul 1660-28 May 1672)
  2nd: Edward Montagu (28 May 1672-b 29 Nov 1688)
  3rd: Edward Montagu (29 Nov 1688-20 Oct 1729)
  4th: John Montagu (20 Oct 1729-30 Apr 1792)
  5th: John Montagu (30 Apr 1792-6 Jun 1814)
  6th: George John Montagu (6 Jun 1814-21 May 1818)
  7th: John William Montagu (21 May 1818-3 Mar 1884)
  8th: Edward George Henry Montagu (3 Mar 1884-26 Jun 1916)
  9th: George Charles Montagu (26 Jun 1916-15 Jun 1962)
10th: Alexander Victor Edward Paulet Montagu (15 Jun 1962-25 Feb 1995)
11th: John Edward Hollister Montagu (25 Feb 1995- )

Earl of Scarbrough    [England, 1690]
  1st: Richard Lumley (15 Apr 1690-17 Dec 1721)
  2nd: Richard Lumley (17 Dec 1721-29 Jan 1740)
  3rd: Thomas Lumley-Saunderson (29 Jan 1740-15 Mar 1752)
  4th: Richard Lumley-Saunderson (15 Mar 1752-12 May 1782)
  5th: George Augusta Lumley-Saunderson (12 May 1782-5 Sep 1807)
  6th: Richard Lumley-Saunderson (5 Sep 1807-17 Jun 1832)
  7th: John Lumley-Savile (17 Jun 1832-21 Feb 1835)
  8th: John Lumley-Savile (21 Feb 1835-29 Oct 1856)
  9th: Richard George Lumley (29 Oct 1856-5 Dec 1884)
10th: Alfred Frederick George Beresford Lumley (5 Dec 1884-4 Mar 1945)
11th: Lawrence Roger Lumley (4 Mar 1945-29 Jun 1969)
12th: Richard Aldred Lumley (29 Jun 1969-23 Mar 2004)
13th: Richard Osbert Lumley (23 Mar 2004- )

Earl of Scarsdale    [England, 1645]
  1st: Francis Leke (11 Nov 1645-9 Apr 1665)
  2nd: Nicholas Leke (9 Apr 1665-27 Jan 1681)
  3rd: Robert Leke (1680-27 Dec 1707)
  4th: Nicholas Leke (1707-1736)

Earl of Seafield    [Scotland, 1701]
  1st: James Ogilvy (24 Jun 1701-15 Aug 1730) with special remainder to 'other heirs and of entail succeeding him in his lands and Baronies'
  2nd: James Ogilvy (15 Aug 1730-9 Jul 1764)
  3rd: James Ogilvy (9 Jul 1764-3 Nov 1770)
  4th: James Ogilvy (3 Nov 1770-5 Oct 1811)
  5th: Lewis Alexander Grant-Ogilvy (5 Oct 1811-26 Oct 1840)
  6th: Francis William Ogilvy-Grant (26 Oct 1840-30 Jul 1853)
  7th: John Charles Ogilvy-Grant (30 Jul 1853-18 Feb 1881)
  8th: Ian Charles Ogilvy-Grant (18 Feb 1881-31 Mar 1884)
  9th: James Ogilvy-Grant (17 Jun 1884-5 Jun 1888)
10th: Francis William Ogilvy-Grant (5 Jun 1888-3 Dec 1888)
11th: James Ogilvie-Grant (3 Dec 1888-12 Nov 1915)
12th: Nina Caroline Ogilvie-Grant (12 Nov 1915-30 Sep 1969)
13th: Ian Derek Francis Ogilvie-Grant (30 Sep 1969- )

Earl of Seaforth    [Scotland, 1623]
  1st: Colin Mackenzie (3 Dec 1623-15 Apr 1633) with a special remainder to heirs male whatsoever
  2nd: George Mackenzie (15 Apr 1633-Aug 1651)
  3rd: Kenneth Mackenzie (Aug 1651-Dec 1678)
  4th: Kenneth Mackenzie (Dec 1678-Jan 1701)
  5th: William Mackenzie (Jan 1701-8 Jan 1740)

Earl of Seaforth    [Ireland, 1771]
  1st: Kenneth Mackenzie (3 Dec 1771-Aug 1781)

Earl of Selborne, co. Southampton    [United Kingdom, 1882]
  1st: Roundell Palmer (30 Dec 1882-4 May 1895)
  2nd: William Waldegrave Palmer (4 May 1895-26 Feb 1942)
  3rd: Roundell Cecil Palmer (26 Feb 1942-3 Sep 1971)
  4th: John Roundell Palmer (3 Sep 1971- )

Earl of Selkirk    [Scotland, 1646]
  1st: William Douglas-Hamilton (4 Aug 1646-18 Apr 1694)
  2nd: Charles Douglas (6 Oct 1688-13 Mar 1739)
  3rd: John Hamilton (13 Mar 1739-3 Dec 1744)
  4th: Dunbar Douglas (3 Dec 1744-26 Mar 1799)
  5th: Thomas Douglas (26 May 1799-8 Apr 1820)
  6th: Dunbar James Douglas (8 Apr 1820-11 Apr 1885)
  7th: Charles George Douglas-Hamilton (11 Apr 1885-2 May 1886)
  8th: William Alexander Louis Stephen Douglas-Hamilton (2 May 1886-16 May 1895)
  9th: Alfred Douglas Douglas-Hamilton (16 May 1895-16 Mar 1940)
10th: George Nigel Douglas-Hamilton (16 Mar 1940-24 Nov 1994)
11th: James Alexander Douglas-Hamilton (24 Nov 1994- )

Earl of Shaftesbury    [England, 1672]
  1st: Anthony Ashley-Cooper (23 Apr 1672-22 Jan 1683)
  2nd: Anthony Ashley-Cooper (21 Jan 1683-10 Nov 1699)
  3rd: Anthony Ashley-Cooper (10 Nov 1699-15 Feb 1713)
  4th: Anthony Ashley-Cooper (15 Feb 1713-27 May 1771)
  5th: Anthony Ashley-Cooper (27 May 1771-14 May 1811)
  6th: Cropley Ashley-Cooper (14 May 1811-2 Jun 1851)
  7th: Anthony Ashley-Cooper (2 Jun 1851-1 Oct 1885)
  8th: Anthony Ashley-Cooper (1 Oct 1885-13 Apr 1886)
  9th: Anthony Ashley-Cooper (13 Apr 1886-25 Mar 1961)
10th: Anthony Ashley-Cooper (25 Mar 1961-Nov 2004)
11th: Anthony Nils Christian Ashley-Cooper (Nov 2004-15 May 2005)
12th: Nicholas Edmund Anthony Ashley-Cooper (15 May 2005- )

Earl of Shannon    [Ireland, 1756]
  1st: Henry Boyle (17 Apr 1756-28 Dec 1764)
  2nd: Richard Boyle (28 Dec 1764-20 May 1807)
  3rd: Henry Boyle (8 Jul 1815-22 Apr 1842)
  4th: Richard Boyle (22 Apr 1842-1 Aug 1868)
  5th: Henry Bentinck Boyle (16 Sep 1835-8 Feb 1890)
  6th: Richard Henry Boyle (8 Feb 1890-11 Dec 1906)
  7th: Richard Bernard Boyle (11 Dec 1906-13 Apr 1917)
  8th: Robert Henry Boyle (13 Apr 1917-29 Dec 1963)
  9th: Richard Bentinck Boyle (29 Dec 1963-9 May 2013)
10th: Richard Henry John Boyle (9 May 2013- )

Earl of Sheffield    [Ireland, 1816]
  1st: John Baker Holroyd (16 Jan 1816-30 May 1821)
  2nd: George Augustus Frederick Charles Holroyd (30 May 1821-5 Apr 1876)
  3rd: Henry North Holroyd (5 Apr 1876-21 Apr 1909)

Earl of Shelburne, co. Wexford    [Ireland, 1753]
  1st: John Petty (6 Jun 1753-14 May 1761)
  2nd: William Petty (14 May 1761-7 May 1805)
  3rd: John Henry Petty (7 May 1805-15 Nov 1809)
  4th: Henry Petty-FitzMaurice (15 Nov 1809-31 Jan 1863)
  5th: Henry Petty-FitzMaurice (31 Jan 1863-5 Jul 1866)
  6th: Henry Charles Keith Petty-FitzMaurice (5 Jul 1866-3 Jun 1927)
  7th: Henry William Edmund Petty-FitzMaurice (3 Jun 1927-5 Mar 1936)
  8th: Charles Hope Petty-FitzMaurice (5 Mar 1936-20 Aug 1944)
  9th: George John Charles Mercer Nairne Petty-FitzMaurice (20 Aug 1944-25 Aug 1999)
10th: Charles Maurice Petty-FitzMaurice (25 Aug 1999- )

Earl of Shrewsbury    [England, 1442]
  1st: John Talbot (20 May 1442-20 Jul 1453)
  2nd: John Talbot (17 Jul 1453-10 Jul 1460)
  3rd: John Talbot (11 Jul 1460-28 Jun 1473)
  4th: George Talbot (28 Jun 1473-26 Jul 1538)
  5th: Francis Talbot (26 Jul 1538-25 Sep 1560)
  6th: George Talbot (25 Sep 1560-18 Nov 1590)
  7th: Gilbert Talbot (18 Nov 1590-8 May 1616)
  8th: Edward Talbot (8 May 1616-8 Feb 1617)
  9th: George Talbot (8 Feb 1617-2 Apr 1630)
10th: John Talbot (2 Apr 1630-8 Feb 1654)
11th: Francis Talbot (8 Feb 1654-16 Mar 1667)
12th: Charles Talbot (16 Mar 1668-1 Feb 1718)
13th: Gilbert Talbot (1 Feb 1718-22 Jul 1743)
14th: George Talbot (12 Dec 1733-21 Jul 1787)
15th: Charles Talbot (21 Jul 1787-6 Apr 1827)
16th: John Talbot (6 Apr 1827-9 Nov 1852)
17th: Bertram Arthur Talbot (9 Nov 1852-10 Aug 1856)
18th: Henry John Chetwynd-Talbot (19 Aug 1856-4 Jun 1868)
19th: Charles John Chetwynd Chetwynd-Talbot (4 Jun 1868-11 May 1877)
20th: Charles Henry John Chetwynd-Talbot (11 May 1877-7 May 1921)
21st: John George Charles Henry Alton Alexander Chetwynd Chetwynd-Talbot (7 May 1921-12 Nov 1980)
22nd: Charles Henry John Benedict Crofton Chetwynd Chetwynd-Talbot (12 Nov 1980- )

Earl Sligo, of Claricarde    [England, 1543]
10th: Michael Burke Sligo (17 Oct 1722-28 Nov 1736)

Earl of Snowdon    [United Kingdom, 1961]
  1st: Antony Charles Robert Armstrong-Jones (6 Oct 1961-13 Jan 2017)
  2nd: David Albert Charles Armstrong-Jones (13 Jan 2017- )

Earl of Somerset    [England, 1397]
  1st: John Beaufort (10 Feb 1397-16 Mar 1410)
  2nd: Henry Beaufort (16 Mar 1410-25 Nov 1418)
  3rd: John Beaufort (25 Nov 1418-27 May 1444)

Earl of Somerset    [England, 1613]
  1st: Robert Carr (3 Nov 1613-c Jul 1645)

Earl Sommers    [United Kingdom, 1821]
  1st: John Sommers Cocks (17 Jul 1821-5 Jan 1841)
  2nd: John Sommers Somers-Cocks (5 Jan 1841-5 Oct 1852)
  3rd: Charles Somers Somers-Cocks (5 Oct 1852-26 Sep 1883)

Earl of Southampton    [England, 1537]
  1st: William FitzWilliam (18 Oct 1537-15 Oct 1542)

Earl of Southampton    [England, 1547]
  3rd: Henry Wriothesley ( -10 Nov 1624)
  4th: Thomas Wriothesley (10 Nov 1625-16 May 1667)

Earl of Southampton    [England, 1670]
  1st: Barbara Villiers (3 Aug 1670-9 Oct 1709) with special remainder to her eldest son, Charles Palmer and then to her 'second' son, George Palmer
  2nd: Charles Fitzroy (9 Oct 1709-9 Sep 1730)
  3rd: William Fitzroy (9 Sep 1730-18 May 1774)

Earl of Southesk    [Scotland, 1633]
  1st: David Carnegie (22 Jun 1633-Feb 1658)
  2nd: James Carnegie (Feb 1628-Mar 1669)
  3rd: Robert Carnegie (Jan 1669-19 Feb 1688)
  4th: Charles Carnegie (19 Feb 1688-9 Aug 1699)
  5th: James Carnegie (9 Aug 1699-10 Feb 1730)
  9th: James Carnegie (2 Jul 1855-21 Feb 1905) after the original precedence by reversal by Act of Parliament of the Act of Attainder
10th: Charles Noel Carnegie (21 Feb 1905-10 Nov 1941)
11th: Charles Alexander Carnegie (10 Nov 1941-16 Feb 1992)
12th: James George Alexander Bannerman Carnegie (16 Feb 1992-22 Jun 2015)
13th: David Charles Carnegie (22 Jun 2015- )

Earl Spencer    [Great Britain, 1765]
  1st: John Spencer (1 Nov 1765-31 Oct 1783)
  2nd: George John Spencer (31 Oct 1783-10 Nov 1834)
  3rd: John Charles Spencer (10 Nov 1834-1 Oct 1845)
  4th: Frederick Spencer (1 Oct 1845-27 Dec 1857)
  5th: John Poyntz Spencer (27 Dec 1857-13 Aug 1910)
  6th: Charles Robert Spencer (13 Aug 1910-26 Sep 1922)
  7th: Albert Edward John Spencer (26 Sep 1922-9 Jun 1975)
  8th: Edward John Spencer (9 Jun 1975-29 Mar 1992)
  9th: Charles Edward Maurice Spencer (29 Mar 1992- )

Earl of St. Andrews    [United Kingdom, 1934]
  1st: George Edward Alexander Edmund Windsor (12 Oct 1934-25 Aug 1942)
  2nd: Edward George Nicholas Paul Patrick Windsor (25 Aug 1942- )

Earl St. Maur, of Berry Pomeroy, co. Devon    [United Kingdom, 1863]
  1st: Edward Adolphus St. Maur (19 Jun 1863-28 Dec 1885)

Earl of Stafford    [England, 1351]
  1st: Ralph Stafford (5 Mar 1351-31 Aug 1372)
  2nd: Hugh Stafford (31 Aug 1372-13 Oct 1386)

Earl of Stafford    [England, 1688]
  1st: Mary Stafford (5 Oct 1688-13 Jan 1694) for life

Earl Stanhope    [Great Britain, 1718]
  1st: James Stanhope (14 Apr 1718-5 Feb 1721)
  2nd: Philip Stanhope (5 Feb 1721-7 Mar 1786)
  3rd: Charles Stanhope (1786-15 Dec 1816)
  4th: Philip Henry Stanhope (15 Dec 1816-2 Mar 1855)
  5th: Philip Henry Stanhope (2 Mar 1855-24 Dec 1875)
  6th: Arthur Philip Stanhope (24 Dec 1875-10 Apr 1905)
  7th: James Richard Stanhope (19 Apr 1905-15 Aug 1967)

Earl of Stirling    [Scotland, 1633]
  1st: William Alexander (14 Jun 1633-bt 1639-1640)
  2nd: William Alexander (1638-1640)
  3rd: Henry Alexander (1638-1650)
  4th: Henry Alexander (1650-1690)
  5th: Henry Alexander (1690-1739)

Earl of Stockton    [United Kingdom, 1984]
  1st: Maurice Harold Macmillan (1984-1986)
  2nd: Alexander Daniel Alan Macmillan (1986- )

Earl de Strabolgi    [England, 1318]
  3rd: David Strathbogie (30 Nov 1335-10 Oct 1369)

Earl of Strafford    [United Kingdom, 1847]
  1st: John Byng (1847-3 Jun 1860)

Earl Strange    [Great Britain, 1786]
  1st: John Murray (18 Aug 1786-29 Sep 1830)
  2nd: John Murray (29 Sep 1830-14 Sep 1846)
  3rd: George Augustus Frederick John Murray (14 Sep 1846-16 Jan 1864)
  4th: John James Hugh Henry Stewart-Murray (16 Jan 1864-20 Jan 1917)
  5th: John George Stewart-Murray (20 Jan 1917-16 Mar 1942)
  6th: James Thomas Stewart-Murray (16 Mar 1942-8 May 1957)

Earl of Strathearn    [Scotland, 1358]
  1st: Robert II Stewart (1358-19 Apr 1390)

Earl of Strathearn    [United Kingdom, 2011]
  1st: William Arthur Philip Louis Windsor (29 Apr 2011- )

Earl of Strathtay and Strathardle, co. Perth    [Scotland, 1703]
  1st: John Murray (30 Jun 1703-14 Nov 1724)
  2nd: James Murray (9 Jul 1746-8 Jan 1764)
  3rd: John Murray (8 Jan 1764-5 Nov 1774)
  4th: John Murray (5 Nov 1774-29 Sep 1830)
  5th: John Murray (29 Sep 1830-14 Sep 1846)
  6th: George Augustus Frederick John Murray (14 Sep 1846-16 Jan 1864)
  7th: John James Hugh Henry Stewart-Murray (16 Jan 1864-20 Jan 1917)
  8th: John George Stewart-Murray (20 Jan 1917-16 Mar 1942)
  9th: James Thomas Stewart-Murray (16 Mar 1942-8 May 1957)
10th: George Iain Murray (8 May 1957-27 Feb 1996)
11th: John Murray (27 Feb 1996-15 May 2012)
12th: Bruce George Ronald Murray (15 May 2012- )

Earl of Suffolk    [England, 1385]
  1st: Michael Pole (1385- )

Earl of Suffolk    [England, 1603]
  1st: Thomas Howard (21 Jul 1603-28 May 1626)
  2nd: Theophilus Howard (28 May 1626-3 Jun 1640)
  3rd: James Howard (3 Jun 1640-7 Jan 1689)
  4th: George Howard (7 Jan 1689-21 Apr 1691)
  5th: Henry Howard (21 Apr 1691-10 Dec 1709)

Earl of Sunderland    [England, 1627]
  1st: Emmanuel Scrope (19 Jun 1627-30 May 1630)

Earl of Sunderland    [England, 1643]
  1st: Henry Spencer (8 Jun 1643-20 Sep 1643) This title cost Henry £3,000
  2nd: Robert Spencer (20 Sep 1643-28 Sep 1702)
  3rd: Charles Spencer (28 Sep 1702-19 Apr 1722)
  4th: Robert Spencer (19 Apr 1722-15 Sep 1729)
  5th: Charles Spencer (15 Sep 1729-20 Oct 1758)
  6th: George Spencer (20 Oct 1758-29 Jan 1817)
  7th: George Spencer-Churchill (29 Jan 1817-5 Mar 1840)
  8th: George Spencer-Churchill (5 Mar 1840-1 Jul 1857)
  9th: John Winston Spencer-Churchill (1 Jul 1857-5 Jul 1883)
10th: George Charles Spencer-Churchill (16 Apr 1883-9 Nov 1892)
11th: Charles Richard John Spencer-Churchill (9 Nov 1892-30 Jun 1934)
12th: John Albert Edward William Spencer-Churchill (30 Jun 1934-11 Mar 1972)
13th: John George Vanderbilt Henry Spencer-Churchill (10 Mar 1972-16 Oct 2014)
14th: Charles James Spencer-Churchill (16 Oct 2014- )

Earl of Surrey    [England, 1088]
  1st: William I Warenne (c 16 Apr 1088-24 Jun 1088)
  2nd: William II Warenne (1088-c 11 May 1138)
  3rd: William III Warenne (c 11 May 1138-19 Jan 1148)

Earl of Surrey    [England, 1483]
  1st: Thomas Howard (28 Jun 1483-21 May 1524)
  2nd: Thomas Howard (1 Feb 1514-25 Aug 1554) in his father's lifetime
  3rd: Thomas Howard (18 Apr 1604-4 Oct 1646)
  3rd: Thomas Howard (25 Aug 1554-2 Jun 1572)
  4th: Henry Frederick Howard (4 Oct 1646-17 Apr 1652)
  5th: Thomas Howard (17 Apr 1652-13 Dec 1677) restored
  6th: Henry Howard (13 Dec 1677-13 Jan 1684)
  7th: Henry Howard (13 Jan 1684-2 Apr 1701)
  8th: Thomas Howard (2 Apr 1701-23 Dec 1732)
  9th: Edward Howard (23 Dec 1732-20 Sep 1777)
10th: Charles Howard (20 Sep 1777-31 Aug 1786)
11th: Charles Howard (31 Aug 1786-16 Dec 1815)
12th: Bernard Edward Howard (16 Dec 1815-16 Mar 1842)
13th: Henry Charles Howard (16 Mar 1842-18 Feb 1856)
14th: Henry Granville Fitzalan-Howard (18 Feb 1856-25 Nov 1860)
15th: Henry Fitzalan-Howard (25 Nov 1860-11 Feb 1917)
16th: Bernard Marmaduke Fitzalan-Howard (11 Feb 1917-30 Jan 1975)
17th: Miles Francis Stapleton Fitzalan Howard (30 Jan 1975-24 Jun 2002)
18th: Edward William Fitzalan-Howard (24 Jun 2002- )

Earl of Surrey and Warenne    [England, 1451]
  1st: John Mowbray (24 Mar 1451-16 Jan 1476)

Earl of Sussex    [England, 1177]
  1st: William Aubigny (1177-24 Dec 1193)
  2nd: William Aubigny (24 Dec 1193-b 30 Mar 1221)
  3rd: William Aubigny (30 Mar 1221-b 7 Aug 1224)
  4th: Hugh Aubigny (7 Aug 1224-7 May 1243)

Earl of Sussex    [England, 1529]
  1st: Robert Radcliffe (8 Dec 1529-27 Nov 1542)
  2nd: Henry Radcliffe (27 Nov 1542-17 Feb 1557)
  3rd: Thomas Radcliffe (17 Feb 1557-9 Jun 1583)
  4th: Henry Radcliffe (9 Jun 1583-14 Dec 1593)
  5th: Robert Radcliffe (14 Dec 1593-22 Sep 1629)
  6th: Edward Radcliffe (22 Sep 1629-bt 1643-1643)

Earl of Sussex    [Great Britain, 1717]
  1st: Talbot Yelverton (26 Sep 1717-27 Oct 1731)
  2nd: George Augustus Yelverton (27 Oct 1731-8 Jan 1758)
  3rd: Henry Yelverton (8 Jan 1758-22 Apr 1779)

Earl of Sussex    [United Kingdom, 1874]
  1st: Arthur William Patrick Albert Saxe-Coburg and Gotha (24 May 1874-16 Jan 1942)
  2nd: Alistair Arthur Windsor (16 Jan 1942-26 Apr 1943)

Earl Sydney    [United Kingdom, 1874]
  1st: John Robert Townshend (27 Feb 1874-14 Feb 1890)

Earl Talbot    [Great Britain, 1761]
  1st: William Talbot (10 Mar 1761-27 Apr 1782)

Earl Talbot of Hensol, co. Glamorgan    [Great Britain, 1784]
  1st: John Chetwynd-Talbot (3 Jul 1784-19 May 1793)
  2nd: Charles Chetwynd-Talbot (19 May 1793-10 Jan 1849)
  3rd: Henry John Chetwynd-Talbot (10 Jan 1849-4 Jun 1868)
  4th: Charles John Chetwynd Chetwynd-Talbot (4 Jun 1868-11 May 1877)
  5th: Charles Henry John Chetwynd-Talbot (11 May 1877-7 May 1921)
  6th: John George Charles Henry Alton Alexander Chetwynd Chetwynd-Talbot (7 May 1921-12 Nov 1980)
  7th: Charles Henry John Benedict Crofton Chetwynd Chetwynd-Talbot (12 Nov 1980- )

Earl Temple    [Great Britain, 1749]
  1st: Hester Temple (18 Oct 1749-6 Oct 1752) suo jure
  2nd: Richard Grenville (6 Oct 1752-11 Sep 1779)
  3rd: George Nugent-Temple-Grenville (11 Sep 1779-11 Feb 1813)

Earl Temple of Stowe, co. Buckingham    [United Kingdom, 1822]
  1st: Richard Temple-Nugent-Brydges-Chandos-Grenville (4 Feb 1822-17 Jan 1839)
  2nd: Richard Plantagenet Temple-Nugent-Brydges-Chandos-Grenville (17 Jan 1839-29 Jul 1861)
  3rd: Richard Plantagenet Campbell Temple-Nugent-Brydges-Chandos-Grenville (29 Jul 1861-26 Mar 1889)

Earl of the Isle of Thanet, co. Kent    [England, 1628]
  1st: Nicholas Tufton (5 Aug 1628-1 Jul 1631)
  2nd: John Tufton (1 Jul 1631-6 May 1664)
  3rd: Nicholas Tufton (6 May 1664-24 Nov 1679)
  4th: John Tufton (24 Nov 1679-27 Apr 1680)
  5th: Richard Tufton (27 Apr 1680-8 Mar 1684)
  6th: Thomas Tufton (27 Apr 1680-30 Jul 1729)
  7th: Sackville Tufton (30 Jul 1729-4 Dec 1753)
  8th: Sackville Tufton (4 Dec 1753-27 Mar 1786)
  9th: Sackville Tufton (27 Mar 1786-24 Jan 1825)
10th: Charles Tufton (24 Jan 1825-20 Apr 1832)
11th: Henry Tufton (20 Apr 1832-12 Jun 1849)

Earl of Thomond    [Ireland, 1543]
  1st: Murrough O'Brien (1 Jul 1543-fr 1551-1551) for life with a special remainder to his nephew, Donogh
  2nd: Donough O'Brien (1551-1 Apr 1553) for life under the terms of the grant of this title to his uncle

Earl of Thomond    [Ireland, 1552]
  1st: Donough O'Brien (7 Jan 1552-1 Apr 1553)
  2nd: Conor O'Brien (1 Apr 1553-Jan 1591)
  3rd: Donough O'Brien (Jan 1591-5 Sep 1624)
  4th: Henry O'Brien (5 Sep 1624-b 22 Apr 1639)
  5th: Barnabas O'Brien (b 22 Apr 1639-c 12 Nov 1657)
  6th: Henry O'Brien (c Nov 1657-2 May 1691)
  7th: Henry O'Brien (2 May 1691-20 Apr 1741)

Earl of Thomond    [Ireland, 1756]
  1st: Percy Wyndham-O'Brien (11 Dec 1756-21 Jul 1774)

Earl of Tinmouth, Northumberland    [England, 1687]
  1st: James FitzJames (19 Mar 1687-12 Jun 1734)

Earl of Tipperary, in Ireland    [United Kingdom, 1801]
  1st: Adolphus Frederick Hanover (27 Nov 1801-8 Jul 1850)
  2nd: George William Frederick Charles Hanover (8 Jul 1850-17 Mar 1904)

Earl of Torrington, Devon    [England, 1660]
  1st: George Monck (7 Jul 1660-3 Jan 1670)
  2nd: Christopher Monck (3 Jan 1670-6 Oct 1688)

Earl of Torrington, co. Devon    [England, 1689]
  1st: Arthur Herbert (29 May 1689-14 Apr 1716)

Earl of Tullibardine    [Scotland, 1606]
  1st: John Murray (10 Jul 1606-bt 1613-1613)
  2nd: William Murray (c Aug 1613-c Jul 1627)

Earl of Tullibardine    [Scotland, 1628]
  1st: Patrick Murray (30 Jan 1628-5 Sep 1644) but with precedence of 1606
  2nd: James Murray (5 Sep 1644-Jan 1670)
  3rd: John Murray (Jan 1670-6 May 1703)
  4th: John Murray (6 May 1703-14 Nov 1724)
  5th: James Murray (9 Jul 1746-8 Jan 1764)
  6th: John Murray (8 Jan 1764-5 Nov 1774)
  7th: John Murray (5 Nov 1774-29 Sep 1830)
  8th: John Murray (29 Sep 1830-14 Sep 1846)
  9th: George Augustus Frederick John Murray (14 Sep 1846-16 Jan 1864)
10th: John James Hugh Henry Stewart-Murray (16 Jan 1864-20 Jan 1917)
11th: John George Stewart-Murray (20 Jan 1917-16 Mar 1942)
12th: James Thomas Stewart-Murray (16 Mar 1942-8 May 1957)
13th: George Iain Murray (8 May 1957-27 Feb 1996)
14th: John Murray (27 Feb 1996-15 May 2012)
15th: Bruce George Ronald Murray (15 May 2012- )

Earl of Tullibardine    [Scotland, 1676]
  1st: John Murray (7 Feb 1676-6 May 1703)
  2nd: John Murray (6 May 1703-14 Nov 1724)
  3rd: James Murray (9 Jul 1746-8 Jan 1764)
  4th: John Murray (8 Jan 1764-5 Nov 1774)
  5th: John Murray (5 Nov 1774-29 Sep 1830)
  6th: John Murray (29 Sep 1830-14 Sep 1846)
  7th: George Augustus Frederick John Murray (14 Sep 1846-16 Jan 1864)
  8th: John James Hugh Henry Stewart-Murray (16 Jan 1864-20 Jan 1917)
  9th: John George Stewart-Murray (20 Jan 1917-16 Mar 1942)
10th: James Thomas Stewart-Murray (16 Mar 1942-8 May 1957)
11th: George Iain Murray (8 May 1957-27 Feb 1996)
12th: John Murray (27 Feb 1996-15 May 2012)
13th: Bruce George Ronald Murray (15 May 2012- )

Earl of Tweeddale    [Scotland, 1646]
  1st: John Hay (1 Dec 1646-25 May 1653) with special remainder to heirs male forever
  2nd: John Hay (25 May 1653-11 Aug 1697)
  3rd: John Hay (11 Aug 1697-20 Apr 1713)
  4th: Charles Hay (20 Apr 1713-17 Dec 1715)
  5th: John Hay (17 Dec 1715-9 Dec 1762)
  6th: George Hay (9 Dec 1762-4 Oct 1770)
  7th: George Hay (4 Oct 1770-16 Nov 1787)
  8th: George Hay (16 Nov 1787-9 Aug 1804)
  9th: George Hay (9 Aug 1804-10 Oct 1876)
10th: Arthur Hay (10 Oct 1876-29 Dec 1878)
11th: William Montagu Hay (29 Dec 1878-25 Nov 1911)
12th: William George Montagu Hay (25 Nov 1911-30 Mar 1967)
13th: David George Montagu Hay (30 Mar 1967-23 Jan 1979)
14th: Edward Douglas John Hay (23 Jan 1979-1 Feb 2005)
15th: Charles David Montagu Hay (1 Feb 2005- )

Earl Tylney of Castlemaine, co. Kerry    [Ireland, 1731]
  1st: Richard Tynley (11 Jun 1731-Mar 1750)
  2nd: John Child (Mar 1750-17 Sep 1784)

Earl of Tyrconnell    [Ireland, 1561]
  1st: Callough O'Donnell (22 May 1561-26 Nov 1566) which was orderd by Queen Elizabeth I, although this was never carried out

Earl of Tyrconnell    [Ireland, 1603]
  1st: Ruaidhri O'Donnell (1603-30 Jul 1608)

Earl of Tyrconnell    [Ireland, 1685]
  1st: Richard Talbot (20 Jun 1685-14 Aug 1691) with special remainder to his nephews

Earl of Tyrconnell, in the province of Ulster    [Ireland, 1761]
  1st: George Carpenter (1 May 1761-9 Mar 1762)

Earl of Tyrone    [Ireland, 1542]
  1st: Con 'Baccach' O'Neill (1 Oct 1542-b 16 Jul 1559) with special remainder to his illegitimate son Ferdoragh
  2nd: Brian O'Neill (1559-12 Apr 1562) de jure, as which he must have in effect succeeded grandfather (but apparently was never so recognised)
  3rd: Hugh O'Neill (12 Apr 1562-20 Jul 1616) and was recognised as such in 1585
  4th: Henry O'Neill (1608-c Sep 1617) despite his attainder

Earl of Tyrone    [Ireland, 1672]
  1st: Richard Power (9 Oct 1672-14 Oct 1690)
  2nd: John Power (14 Oct 1690-14 Oct 1693)
  3rd: James Power (14 Oct 1693-19 Aug 1704)

Earl of Tyrone    [Ireland, 1746]
  1st: Marcus Beresford (18 Jul 1746-4 Apr 1763)

Earl of Ulster    [Ireland, 1261]
  1st: Walter Burgh (1261-28 Jul 1271) jure uxoris
  2nd: Richard Burgh ( -29 Jul 1326)

Earl of Ulster    [Ireland, 1659]
  1st: James II Stuart (10 May 1659-16 Sep 1701)

Earl of Ulster    [Ireland, 1716]
  1st: Ernst August Hanover (5 Jul 1716-14 Aug 1728)

Earl of Ulster    [Ireland, 1760]
  1st: Edward Augustus Hanover (1 Apr 1760-17 Sep 1767)

Earl of Ulster    [Ireland, 1784]
  1st: Frederick Augustus Hanover (29 Nov 1784-5 Jan 1827)

Earl of Ulster    [United Kingdom, 1866]
  1st: Alfred Ernest Albert Saxe-Coburg and Gotha (24 May 1866-30 Jul 1900)

Earl of Ulster    [United Kingdom, 1928]
  1st: Henry William Frederick Albert Windsor (31 Mar 1928-10 Jun 1974)
  2nd: Richard Alexander Walter George Windsor (10 Jun 1974- )

Earl of Uxbridge, co. Middlesex    [Great Britain, 1714]
  1st: Henry Paget (19 Oct 1714-30 Aug 1743)
  2nd: Henry Paget (30 Aug 1743-16 Nov 1769)

Earl of Uxbridge, co. Middlesex    [Great Britain, 1784]
  1st: Henry Paget (19 May 1784-13 Mar 1812)
  2nd: Henry William Paget (13 Mar 1812-29 Apr 1854)
  3rd: Henry Paget (29 Apr 1854-7 Feb 1869)
  4th: Henry William George Paget (6 Feb 1869-30 Jan 1880)
  5th: Henry Paget (30 Jan 1880-13 Oct 1898)
  6th: Henry Cyril Paget (13 Oct 1898-14 Mar 1905)
  7th: Charles Henry Alexander Paget (14 Mar 1905-21 Feb 1947)
  8th: George Charles Henry Victor Paget (21 Feb 1947-13 Jul 2013)
  9th: Charles Alexander Vaughan Paget (13 Jul 2013- )

Earl Vane    [United Kingdom, 1823]
  1st: Charles William Vane (28 Mar 1823-6 Mar 1854)
  2nd: Frederick William Robert Stewart (6 Mar 1854-25 Nov 1872)
  3rd: George Henry Robert Charles William Vane-Tempest (25 Nov 1872-6 Nov 1884)
  4th: Charles Stewart Vane-Tempest-Stewart (6 Nov 1884-8 Feb 1915)
  5th: Charles Stewart Henry Vane-Tempest-Stewart (8 Feb 1915-11 Feb 1949)
  6th: Edward Charles Robert Vane-Tempest-Stewart (11 Feb 1949-17 Oct 1955)
  7th: Alexander Charles Robert Vane-Tempest-Stewart (17 Oct 1955-20 Jun 2012)
  8th: Frederick Aubrey Vane-Tempest-Stewart (20 Jun 2012- )

Earl Verney, in the province of Leinster    [Ireland, 1743]
  1st: Ralph Verney (22 Mar 1743-4 Oct 1752)
  2nd: Ralph Verney (4 Oct 1752-31 Mar 1791)

Earl of Walsingham, co. Norfolk    [Great Britain, 1722]
  1st: Petronilla Melusina Schulenburg (7 Apr 1722-16 Sep 1778) for life

Earl Wandesford, co. Kilkenny    [Ireland, 1758]
  1st: John Wandesford (15 Aug 1758-12 Jan 1784)

Earl of Warrington, co. Lancaster    [England, 1690]
  1st: Henry Booth (19 Apr 1690-2 Jan 1694)
  2nd: George Booth (2 Jan 1694-2 Aug 1758)

Earl of Warwick    [England, 1268]
13th: Richard Beauchamp ( -30 Apr 1439)

Earl of Warwick    [England, 1450]
  1st: Richard Neville (2 Mar 1450-14 Apr 1471)

Earl of Warwick    [England, 1472]
  1st: George Plantagenet (25 Mar 1472-18 Feb 1478)

Earl of Warwick    [Great Britain, 1759]
  1st: Francis Greville (13 Nov 1759-6 Jul 1773)
  2nd: George Greville (6 Jul 1773-2 May 1816)
  3rd: Henry Richard Greville (2 May 1816-10 Aug 1853)
  4th: George Guy Greville (10 Aug 1853-2 Dec 1893)
  5th: Francis Richard Charles Guy Greville (2 Dec 1893-15 Jan 1924)
  6th: Leopold Guy Francis Maynard Greville (15 Jan 1924-31 Jan 1928)
  7th: Charles Guy Fulke Greville (31 Jan 1928-20 Jan 1984)
  8th: David Robin Francis Guy Greville (20 Jan 1984-20 Jan 1996)
  9th: Guy David Greville (20 Jan 1996- )

Earl of Waterford    [Ireland, 1446]
  1st: John Talbot (17 Jul 1446-20 Jul 1453)
  2nd: John Talbot (17 Jul 1453-10 Jul 1460)
  3rd: John Talbot (11 Jul 1460-28 Jun 1473)
  4th: George Talbot (28 Jun 1473-26 Jul 1538)
  5th: Francis Talbot (26 Jul 1538-25 Sep 1560)
  6th: George Talbot (25 Sep 1560-18 Nov 1590)
  7th: Gilbert Talbot (18 Nov 1590-8 May 1616)
  8th: Edward Talbot (8 May 1616-8 Feb 1617)
  9th: George Talbot (8 Feb 1617-2 Apr 1630)
10th: John Talbot (2 Apr 1630-8 Feb 1654)
11th: Francis Talbot (8 Feb 1654-16 Mar 1667)
12th: Charles Talbot (16 Mar 1668-1 Feb 1718)
13th: Gilbert Talbot (1 Feb 1718-22 Jul 1743)
14th: George Talbot (12 Dec 1733-21 Jul 1787)
15th: Charles Talbot (21 Jul 1787-6 Apr 1827)
16th: John Talbot (6 Apr 1827-9 Nov 1852)
17th: Bertram Arthur Talbot (9 Nov 1852-10 Aug 1856)
18th: Henry John Chetwynd-Talbot (10 Aug 1856-4 Jun 1868)
19th: Charles John Chetwynd Chetwynd-Talbot (4 Jun 1868-11 May 1877)
20th: Charles Henry John Chetwynd-Talbot (11 May 1877-7 May 1921)
21st: John George Charles Henry Alton Alexander Chetwynd Chetwynd-Talbot (7 May 1921-12 Nov 1980)
22nd: Charles Henry John Benedict Crofton Chetwynd Chetwynd-Talbot (12 Nov 1980- )

Earl Wavell    [United Kingdom, 1947]
  1st: Archibald Percival Wavell (1 May 1947-24 May 1950)
  2nd: Archibald John Arthur Wavell (24 May 1950-24 Dec 1953)

Earl of Wellington    [United Kingdom, 1812]
  1st: Arthur Wellesley (28 Feb 1812-14 Sep 1852)
  2nd: Arthur Richard Wellesley (14 Sep 1852-13 Aug 1884)
  3rd: Henry Wellesley (13 Aug 1884-8 Jun 1900)
  4th: Arthur Charles Wellesley (8 Jun 1900-18 Jun 1934)
  5th: Arthur Charles Wellesley (18 Jun 1934-11 Dec 1941)
  6th: Henry Valerian George Wellesley (11 Dec 1941-16 Sep 1943)
  7th: Gerald Wellesley (16 Sep 1943-4 Jan 1972)
  8th: Arthur Valerian Wellesley (4 Jan 1972-31 Dec 2014)
  9th: Arthur Charles Valerian Wellesley (31 Dec 2014- )

Earl of Wemyss    [Scotland, 1633]
  1st: John Wemyss (1633-22 Nov 1649)
  2nd: David Wemyss ( -Jul 1679)
  3rd: Margaret Wemyss (Jun 1679-11 Mar 1705) suo jure
  4th: David Wemyss ( -15 Mar 1720)
  5th: James Wemyss ( -21 Mar 1756)
  6th: David Wemyss ( -29 Apr 1787)
  7th: Francis Charteris ( -24 Aug 1808)

Earl of Wessex    [United Kingdom, 1999]
  1st: Edward Antony Richard Louis Windsor (19 Jun 1999- )

Earl of Westmeath    [Ireland, 1621]
  1st: Richard Nugent (4 Sep 1621-a May 1642)
  2nd: Richard Nugent (a May 1642-b 25 Feb 1684)
  3rd: Richard Nugent (25 Feb 1684-Apr 1714)
  4th: Thomas Nugent (b Apr 1714-30 Jun 1752) during his brother's lifetime on the grounds that as a professed religion he was legally dead
  5th: John Nugent (30 Jun 1752-3 Jul 1754)
  6th: Thomas Nugent (3 Jul 1754-7 Sep 1792)
  7th: George Frederick Nugent (7 Sep 1792-30 Dec 1814)
  8th: George Thomas John Nugent (30 Dec 1814-5 May 1871)
  9th: Anthony Francis Nugent (5 May 1871-12 May 1879)
10th: William St. George Nugent (12 May 1879-31 May 1883)
11th: Anthony Francis Nugent (31 May 1883-12 Dec 1933)
12th: Gilbert Charles Nugent (12 Dec 1933-20 Nov 1971)
13th: William Anthony Nugent (20 Nov 1971- )

Earl of Westmorland    [England, 1397]
  1st: Ralph Neville (29 Sep 1397-21 Oct 1425) for loyalty to King Richard II when the later struck back at the Lords Appellant who in 1387 had engineered convictions for treason against King Richard's friends
  2nd: Ralph Neville (21 Oct 1425-3 Nov 1484)
  3rd: Ralph Neville (3 Nov 1484-6 Feb 1499)
  4th: Ralph Neville (6 Feb 1499-24 Apr 1549)
  5th: Henry Neville (24 Apr 1549-10 Feb 1564)
  6th: Charles Neville (10 Feb 1564-16 Nov 1601)

Earl of Westmorland    [England, 1624]
  1st: Francis Fane (29 Dec 1624-23 Mar 1628)
  2nd: Mildmay Fane (23 Mar 1628-12 Feb 1666)
  3rd: Charles Fane (12 Feb 1666-18 Sep 1691)
  4th: Vere Fane (22 Sep 1691-29 Dec 1693)
  5th: Vere Fane (29 Sep 1693-19 May 1698)
  6th: Thomas Fane (19 May 1698-4 Jun 1736)
  7th: John Fane (4 Jun 1736-26 Aug 1762)
  8th: Thomas Fane (26 Aug 1762-12 Nov 1771)
  9th: John Fane (12 Nov 1771-25 Apr 1774)
10th: John Fane (25 Apr 1774-15 Dec 1841)
11th: John Fane (15 Dec 1841-16 Oct 1859)
12th: Francis William Henry Fane (16 Oct 1859-3 Aug 1891)
13th: Anthony Mildmay Julian Fane (3 Aug 1891-9 Jun 1922)
14th: Vere Anthony Francis St. Clair Fane (9 Jun 1922-12 May 1948)
15th: David Anthony Thomas Fane (12 May 1948-8 Sep 1993)
16th: Anthony David Francis Henry Fane (8 Sep 1993- )

Earl Whitworth    [United Kingdom, 1815]
  1st: Charles Whitworth (25 Nov 1815-1825)

Earl of Wicklow    [Ireland, 1793]
  1st: Alice Forward (5 Dec 1793-7 Mar 1807)

Earl of Wilmington    [Great Britain, 1730]
  1st: Spencer Compton (14 Mar 1730-2 Jul 1743)

Earl of Wilton of Wilton Castle, co. Hereford    [Great Britain, 1801]
  1st: Thomas Egerton (26 Jun 1801-23 Sep 1814) with special remainder, in default of male issue, to Hon Thomas Grosvenor
  2nd: Thomas Grosvenor Egerton (23 Sep 1814-7 Mar 1882)
  3rd: Arthur Edward Holland Grey Egerton ( -18 Jan 1885)

Earl of Wiltshire    [England, 1449]
  1st: James Butler (8 Jul 1449-1 May 1461)

Earl of Wiltshire    [England, 1529]
  1st: Thomas Boleyn (8 Dec 1529-12 Mar 1539)

Earl of Winchester    [England, 1206]
  1st: Saher Quency (1206-3 Nov 1219)

Earl of Winchester    [England, 1322]
  1st: Hugh Despenser (10 May 1322-27 Oct 1326)

Earl of Winchester    [England, 1472]
  1st: Lodewijk Aa (1472-26 Nov 1492)

Earl of Windsor    [Great Britain, 1796]
  1st: John Stuart (27 Feb 1796-16 Nov 1814)
  2nd: John Crichton-Stuart (16 Nov 1814-18 Mar 1848)
  3rd: John Patrick Crichton-Stuart (18 Mar 1848-9 Oct 1900)
  4th: John Crichton-Stuart (9 Oct 1900-25 Apr 1947)
  5th: John Crichton-Stuart (25 Apr 1947-14 Aug 1956)
  6th: John Crichton-Stuart (14 Aug 1956-22 Jul 1993)
  7th: John Colum Crichton-Stuart (22 Jul 1993- )

Earl of Winton    [Scotland, 1600]
  1st: Robert Seton (16 Nov 1600-22 Mar 1603)
  2nd: Robert Seton (22 Mar 1603- )
  3rd: George Seton (26 Jun 1606-fr 1650-1650)
  4th: George Seton (Dec 1650-6 Mar 1704)
  5th: George Seton (6 Mar 1704-19 Dec 1749)

Earl of Winton    [United Kingdom, 1859]
  1st: Archibald Montgomerie (17 Jun 1859-4 Oct 1861)
  2nd: Archibald William Montgomerie (4 Oct 1861-30 Aug 1892)
  3rd: George Arnulph Montgomerie (30 Aug 1892-10 Aug 1919)
  4th: Archibald Seton Montgomerie (10 Aug 1919-22 Apr 1945)
  5th: Archibald William Alexander Montgomerie (22 Apr 1945-21 Apr 1966)
  6th: Archibald George Montgomerie (21 Apr 1966- )

Earl of Worcester    [England, 1138]
  1st: Waleran Beaumont (c 1138-bt 1166-1166)

Earl of Worcester    [England, 1397]
  1st: Thomas Percy (29 Sep 1397-23 Jul 1403)

Earl of Worcester    [England, 1421]
  1st: Richard Beauchamp (Feb 1421-18 Mar 1422)

Earl of Worcester    [England, 1449]
  1st: John Tiptoft (16 Jul 1449-18 Oct 1470)
  2nd: Edward Tiptoft (18 Oct 1470-12 Aug 1485)

Earl of Worcester    [England, 1514]
  1st: Charles Somerset (1 Feb 1514-15 Apr 1526)
  2nd: Henry Somerset (15 Apr 1526-26 Nov 1549)
  3rd: William Somerset (26 Nov 1549-21 Feb 1589)
  4th: Edward Somerset (21 Feb 1589-3 Mar 1628)
  5th: Henry Somerset (3 Mar 1628-18 Dec 1646)
  6th: Edward Somerset (18 Dec 1646-3 Apr 1667)
  7th: Henry Somerset (3 Apr 1667-21 Jan 1700)
  8th: Henry Somerset (21 Jan 1700-24 May 1714)
  9th: Henry Scudamore (24 May 1714-24 Feb 1745)
10th: Charles Noel Somerset (24 Feb 1745-28 Oct 1756)
11th: Henry Somerset (28 Oct 1756-11 Oct 1803)
12th: Henry Charles Somerset (11 Oct 1803-23 Nov 1835)
13th: Henry Somerset (23 Nov 1835-17 Nov 1853)
14th: Henry Charles FitzRoy Somerset (17 Nov 1853-30 Apr 1899)
15th: Henry Adelbert Wellington FitzRoy Somerset (30 Apr 1899-24 Nov 1924)
16th: Henry Hugh Arthur FitzRoy Somerset (24 Nov 1924-5 Feb 1984)
17th: David Robert Somerset (5 Feb 1984-16 Aug 2017)
18th: Henry John FitzRoy Somerset (16 Aug 2017- )

Earl Wycombe of Chepping Wycombe    [Great Britain, 1784]
  1st: William Petty (6 Dec 1784-7 May 1805)
  2nd: John Henry Petty (7 May 1805-15 Nov 1809)
  3rd: Henry Petty-FitzMaurice (15 Nov 1809-31 Jan 1863)
  4th: Henry Petty-FitzMaurice (31 Jan 1863-5 Jul 1866)
  5th: Henry Charles Keith Petty-FitzMaurice (5 Jul 1866-3 Jun 1927)
  6th: Henry William Edmund Petty-FitzMaurice (3 Jun 1927-5 Mar 1936)
  7th: Charles Hope Petty-FitzMaurice (5 Mar 1936-20 Aug 1944)
  8th: George John Charles Mercer Nairne Petty-FitzMaurice (20 Aug 1944-25 Aug 1999)
  9th: Charles Maurice Petty-FitzMaurice (25 Aug 1999- )

Earl of Yarmouth    [England, 1679]
  1st: Robert Paston (30 Jul 1679-8 Mar 1683)
  2nd: William Paston (8 Mar 1683-25 Dec 1732)

Earl of Yarmouth, co. Norfolk    [Great Britain, 1793]
  1st: Francis Seymour-Conway (5 Jul 1793-14 Jun 1794)
  2nd: Francis Seymour-Ingram (14 Jun 1794-28 Jun 1822)
  3rd: Francis Charles Seymour-Conway (17 Jun 1822-1 Mar 1842)
  4th: Richard Seymour-Conway (1 Mar 1842-25 Aug 1870)
  5th: Francis George Hugh Seymour (25 Aug 1870-25 Jan 1884)
  6th: Hugh de Grey Seymour (25 Jan 1884-23 Mar 1912)
  7th: George Francis Alexander Seymour (23 Mar 1912-16 Feb 1940)
  8th: Hugh Edward Conway Seymour (18 Jun 1939-22 Dec 1997)
  9th: Henry Jocelyn Seymour (22 Dec 1997- )

Earl of Ypres    [United Kingdom, 1922]
  1st: John Denton Pinkstone French (5 Jun 1922-22 May 1925)

Earl of Zetland    [United Kingdom, 1838]
  1st: Lawrence Dundas (2 Jul 1838-19 Feb 1839)
  2nd: Thomas Dundas (19 Feb 1839-6 May 1873)
  3rd: Lawrence Dundas (6 May 1873-11 Mar 1929)
  4th: Lawrence John Lumley Dundas (11 Mar 1929-6 Feb 1961)
  5th: Lawrence Aldred Mervyn Dundas (6 Feb 1961-5 Oct 1989)
  6th: Lawrence Mark Dundas (6 Oct 1989- )


    A total of 815 of these titles have been held by 4489 individuals.