Parliamentary Private Secretary
 Barran, John Nicholson, 2nd Bt., to the Postmaster-General
 Barran, John Nicholson, 2nd Bt., to the President of the Local Government Board
 Barran, John Nicholson, 2nd Bt., to the Foreign Secretary
 Barran, John Nicholson, 2nd Bt., to the Home Secretary
 Hamilton, Archibald Gavin, Baron Hamilton of Epsom, to the Prime Minister
 Jenkins, Arthur, to the Prime Minister, Clement Attlee
 Bertie, Francis Leveson, 1st Viscount Bertie of Thame ( 1874-1880 ), to the Parliamentary Under-Secretary of State for Foreign Affairs
 Cochrane, Thomas Horatio Arthur Ernest, 1st Baron Cochrane of Cults ( 1895-1901 ), to the Secretary of State for the Colonies
 Cochrane, Thomas Horatio Arthur Ernest, 1st Baron Cochrane of Cults ( 1902-1905 ), to the Under-Secretary of the Home Department
 Acland, Francis Dyke, 10th/14th Bt. ( 1906-1908 ), to the Secretary of State for War
 Whitehead, Rowland Edward, 3rd Bt. ( 1906-1909 ), to the Parliamentary Under-Secretary of the Home Department
 Baring, Godfrey, 1st Bt. ( 1908-1910 ), to the Parliamentary Under-Secretary of the Colonies
 Murray, Arthur Cecil, 3rd Viscount Elibank ( 1909 ), to the Parliamentary Under-Secretary for India
 Whitehead, Rowland Edward, 3rd Bt. ( 1909-1910 ), to theAttorney-General
 Barran, John Nicholson, 2nd Bt. ( 1910-1916 ), to the Prime Minister
 Denman, Richard Douglas, 1st Bt. ( 1910 ), to the President of the Board of Trade
 McLaren, Francis Walter Stafford ( 1910-1915 ), to the Colonial Secretary
 Murray, Arthur Cecil, 3rd Viscount Elibank ( 1910-1914 ), to the Foreign Secretary
 Baird, John Lawrence, of Ury, 1st Viscount Stonehaven ( 1911-1916 ), to Rt. Hon. A. Bonar Law
 Baring, Godfrey, 1st Bt. ( 1911-1913 ), to the President of the Board of Education
 Cawley, Harold Thomas ( 1911-1915 ), to Rt. Hon. R. McKenna
 Harmsworth, Cecil Bisshopp, 1st Baron Harmsworth ( 1911-1914 ), to the President of the Board of Agriculture and Fish
 Verney, Harry Calvert Williams, 4th Bt. ( 1911-1914 ), to the Chief Secretary for Ireland
 Stanley, George Frederick ( 1912-1913 ), to the Leader of the Opposition
 Ward, William Dudley ( 1912-1917 ), to the Patronage Secretary
 Arnold, Sydney, 1st and last Baron Arnold ( 1914 ), to the President of the Board of Education
 Harmsworth, Cecil Bisshopp, 1st Baron Harmsworth ( 1914-1915 ), to the President of the Board of Trade
 Bridgeman, William Clive, 1st Viscount Bridgeman ( 1916-1919 ), to the Minister of Labour
 Stanley, George Frederick ( 1916-1917 ), to the Secretary of State for War
 Astor, Waldorf, 2nd Viscount Astor ( 1917-1918 ), to the Prime Minister
 Edge, William, 1st Bt. ( 1917-1919 ), to the Minister of National Service
 Hambro, Angus Valdimar ( 1918 ), to the Secretary of State, Air
 Bridgeman, William Clive, 1st Viscount Bridgeman ( 1919-1920 ), to the Board of Trade
 Edge, William, 1st Bt. ( 1919 ), to the Minister of National Service and Reconstruction
 Edge, William, 1st Bt. ( 1919 ), to the Minister of Labour
 Moore-Brabazon, John Theodore Cuthbert, 1st Baron Brabazon of Tara ( 1919-1921 ), to Secretary of State for Air
 Young, Edward Hilton, 1st Baron Kennet ( 1919-1921 ), to the President of the Board of Education
 Colfox, William Philip, 1st Bt. ( 1920-1921 ), to the Minister of Pensons
 Bowyer, George Edward Wentworth, 1st Baron Denham ( 1921-1923 ), to the President of the Board of Trade
 Colfox, William Philip, 1st Bt. ( 1921-1922 ), to the Parliamentary Under-Secretary for the Colonies
 Davidson, John Colin Campbell, 1st Viscount Davidson ( 1921-1922 ), to the President of the Board of Trade
 Wills, Gilbert Alan Hamilton, 1st Baron Dulverton ( 1921 ), to the Assistant Postmaster-General
 Bathurst, Allen Algernon, Lord Apsley ( 1922-1924 ), to the Parliamentary Secretary for the Overseas Trade Department
 Davidson, John Colin Campbell, 1st Viscount Davidson ( 1922-1923 ), to the Prime Minister
 Ryder, Dudley, 6th Earl of Harrowby ( 1922-1923 ), to the Secretary of State for Air
 Ward, William Humble Eric, 3rd Earl of Dudley ( 1922-1924 ), to the Under-Secretary of State for India
 Davidson, John Colin Campbell, 1st Viscount Davidson ( 1923-1924 ), to the Chancellor of the Duchy of Lancaster
 Crittall, Valentine George, 1st and last Baron Braintree ( 1924 ), to the Minister of Air
 Gage, Henry Rainald, 6th Viscount Gage of Castle Island ( 1924-1929 ), to the Secretary of State, India
 Ganzoni, Francis John Childs, 1st Baron Belstead ( 1924-1929 ), to the Postmaster-General
 Lindsay, David Alexander Robert, 28th Earl of Crawford ( 1924 ), to the Minister of Agriculture and Fisheries
 Stanley, Oliver Frederick George ( 1924-1929 ), to the President of the Board of Education
 Warrender, Victor Alexander George Anthony, 1st Baron Bruntisfield ( 1924-1928 ), to the Parliamentary Under-Secretary of South India
 Bathurst, Allen Algernon, Lord Apsley ( 1925-1929 ), to the Minister of Transport
 Boothby, Robert John Graham, Baron Boothby ( 1926-1929 ), to the Chancellor of the Exchequer (Winston Churchill)
 Vanneck, William Charles Arcedeckne, 5th Baron Huntingfield of Heveningham Hall ( 1926-1927 ), to the Parliamentary Under-Secretary of the Home Office
 Gathorne-Hardy, John David, 4th Earl of Cranbrook ( 1927-1928 ), to the First Commissioner of Works
 Rhys, Charles Arthur Uryan, 8th Baron Dynevor of Dynevor ( 1927-1929 ), to the 1st Earl Baldwin of Bewdley
 Vanneck, William Charles Arcedeckne, 5th Baron Huntingfield of Heveningham Hall ( 1927-1928 ), to the President of the Board of Trade
 Mathers, George, 1st and last Baron Mathers ( 1929 ), to the Parliamentary Under-Secretary of State for India and the Under-Secretary of State for the Colonies
 Beatty, David Field, 2nd Earl Beatty ( 1931-1936 ), to the Parliamentary Secretary of the Admiralty
 Beaumont, Michael Wentworth ( 1931-1932 ), to Parliamentary Secretary to the Board of Education
 Buchan-Hepburn, Patrick George Thomas, 1st and last Baron Hailes ( 1931 ), to Rt. Hon. Oliver Stanley
 Colville, David John, 1st Baron Clydesmuir ( 1931 ), to the Parliamentary Under-Secretary of Scotland
 Davidson, John Colin Campbell, 1st Viscount Davidson ( 1931-1937 ), to the Chancellor of the Duchy of Lancaster
 Dugdale, Thomas Lionel, 1st Baron Crathorne ( 1931-1935 ), to the Secretary of State, Colonies
 Dugdale, Thomas Lionel, 1st Baron Crathorne ( 1931 ), to the President of the Board of Trade
 Guinness, Thomas Loel Evelyn Bulkeley ( 1931-1935 ), to the Parliamentary Under-Secretary for Air
 Lindsay, David Alexander Robert, 28th Earl of Crawford ( 1931-1940 ), to the Minister of Health
 Morrison, William Shepherd, 1st Viscount Dunrossil ( 1931-1935 ), to the Attorney-General
 Knatchbull, Michael Herbert Rudolf, 5th Baron Brabourne of Brabourne ( 1932-1933 ), to the Secretary of State for India
 Thomas, James Purdon Lewes, 1st and last Viscount Cilcennin ( 1932-1935 ), to the Secretary of State for the Dominions
 Scrymgeour, Henry James, of Dundee, 11th Earl of Dundee ( 1933-1935 ), to the President of the Board of Education
 Agnew, Peter Garrett, 1st Bt. ( 1935-1937 ), to the President of the Board of Trade
 Anstruther-Gray, William John St. Clair, Baron Kilmany ( 1935 ), to the Secretary of Overseas Trade
 Beaumont, Ralph Edward Blackett ( 1935-1940 ), to the Postmaster-General
 Douglas-Home, Alexander Frederick, Baron Home of the Hirsel ( 1935-1940 ), to Rt. Hon. Neville Chamberlain
 Dugdale, Thomas Lionel, 1st Baron Crathorne ( 1935-1937 ), to the Prime Minister
 Dugdale, Thomas Lionel, 1st Baron Crathorne ( 1935 ), to the Secretary of State, Air
 Scrymgeour, Henry James, of Dundee, 11th Earl of Dundee ( 1935-1936 ), to the Minister of Agriculture
 Thomas, James Purdon Lewes, 1st and last Viscount Cilcennin ( 1935-1938 ), to the Secretary of State for the Colonies
 Assheton, Ralph, 1st Baron Clitheroe ( 1936-1938 ), to the First Commissioner of Works and the Secretary of State, Colonies
 Astor, William Waldorf, 3rd Viscount Astor ( 1936-1937 ), to the First Lord of the Admiralty
 Bathurst, Allen Algernon, Lord Apsley ( 1936 ), to the Minister of Co-ordination Defence
 Scrymgeour, Henry James, of Dundee, 11th Earl of Dundee ( 1936 ), to the Secretary of State for Scotland
 Strauss, Henry George, 1st and last Baron Conesford ( 1936-1942 ), to the Attorney-General
 Agnew, Peter Garrett, 1st Bt. ( 1937-1939 ), to the President of the First Commissioner of Works
 Smith, Frederick Winston Furneaux, 2nd Earl of Birkenhead ( 1938 ), to the Secretary of State for Foreign Affairs
 Cary, Robert Archibald, 1st Bt. ( 1939-1942 ), to the Civil Lords of Admiralty
 McCorquodale, Malcolm Stewart, 1st and last Baron McCorquodale of Newton ( 1939 ), to the President of the Board of Trade
 Bracken, Brendan Rendall, 1st and last Viscount Bracken ( 1940-1941 ), to the Prime Minister
 Cust, Peregrine Francis Adelbert, 6th Baron Brownlow of Belton ( 1940-1941 ), to the Minister of Aircraft Production
 Seely, Hugh Michael, 1st and last Baron Sherwood ( 1940 ), to the Secretary of State for Air
 Thomas, James Purdon Lewes, 1st and last Viscount Cilcennin ( 1940 ), to the Secretary of State for War
 Pearson, Weetman John Churchill, 3rd Viscount Cowdray ( 1941-1942 ), to the Under-Secretary of Air
 Beaumont, Ralph Edward Blackett ( 1942-1945 ), to the Secretary of State for War
 Cary, Robert Archibald, 1st Bt. ( 1942-1945 ), to Secretary of India and Burma
 McCorquodale, Malcolm Stewart, 1st and last Baron McCorquodale of Newton ( 1942-1945 ), to the Minister of labour
 McEntee, Valentine La Touche, 1st and last Baron McEntee ( 1942-1945 ), to the Parliamentary Secretary for the Minister of Worls
 Agnew, Peter Garrett, 1st Bt. ( 1945-1945 ), to the President of the Assistant Government Whip
 Agnew, Peter Garrett, 1st Bt. ( 1945-1950 ), to the President of the Chief Government Whip
 Bruce, Donald William Trevor, Baron Bruce of Donington ( 1945-1950 ), to the Minister of Health
 Robens, Alfred, Baron Robens of Woldingham ( 1945-1947 ), to the Minister of Transport
 Sidney, William Philip, 1st Viscount De L'Isle, V.C. ( May 1945 ), Minister of Food
 Diamond, John, Baron Diamond ( 1947 ), Minister of Works
 Astor, John Jacob ( 1951-1953 ), to the Finance Secretary of Treasury
 Boyle, Edward Charles Gurney, Baron Boyle of Handsworth ( 1951-1952 ), to Parliamentary Under-Secretary of Air
 Carr, Leonard Robert, Baron Carr of Hadley ( 1951-1955 ), to the Foreign Secretary
 Cary, Robert Archibald, 1st Bt. ( 1951-1955 ), to Lord Privy Seal and Leader of the House of Commons
 Fairfax, Thomas Brian McElvie, 13th Lord Fairfax of Cameron ( 1951 ), to the Lord President of the Council
 Stanley, Richard Oliver ( 1951-1955 ), to the First Lord of the Admiralty
 Wood, Richard Frederick, Baron Holderness ( 1951-1953 ), to the Minister of Pensions
 Arbuthnot, John Sinclair-Wemyss, 1st Bt. ( 1952-1955 ), for the Minister of Pensions
 Barber, Anthony Perrinott Lysberg, Baron Barber ( 1952-1955 ), to the Parliamentary Under-Secretary of Air
 Boyle, Edward Charles Gurney, Baron Boyle of Handsworth ( 1952 ), to Minister of Defence
 Finlay, Graeme Bell, 1st Bt. ( 1952-1955 ), to the Minister of Health
 Wood, Richard Frederick, Baron Holderness ( 1953-1954 ), to the Minister of State, Board of Trade
 Lambton, Antony Claude Frederick ( 1954 ), to the Minister of Supply
 Wood, Richard Frederick, Baron Holderness ( 1954-1955 ), to the Minister of Agriculture and Fisheries
 Carr, Leonard Robert, Baron Carr of Hadley ( 1955 ), to the Prime Minister
 Dance, James Cyril Aubrey George ( 1955-1961 ), to the Secretary of State for Air
 Lambton, Antony Claude Frederick ( 1955-1957 ), to the Foreign Secretary
 Lindsay, Robert Alexander, 29th Earl of Crawford ( 1955-1957 ), to the Finance Secretary of the Treasury
 Arbuthnot, John Sinclair-Wemyss, 1st Bt. ( 1956-1957 ), for the Minister of Health
 Whitelaw, William Stephen Ian, 1st and last Viscount Whitelaw ( 1956 ), to the President of the Board of Trade
 Gibson-Watt, James David, Baron Gibson-Watt ( 1957 ), to the Parliamentary Under-Secretary of the War Office
 Lindsay, Robert Alexander, 29th Earl of Crawford ( 1957-1960 ), to the Minister of Housing and Local Government
 Whitelaw, William Stephen Ian, 1st and last Viscount Whitelaw ( 1957-1958 ), to the Chancellor of the Exchequer
 Barber, Anthony Perrinott Lysberg, Baron Barber ( 1958-1959 ), to the Prime Minister
 Chichester-Clark, Robert ( 1958 ), for the Finance Secretary to Treasury
 Bossom, Clive, 2nd Bt. ( 1960-1961 ), to the Joint Parliamentary Secretaries for the Minister of Pensions and National Insurance
 Ferranti, Basil Reginald Vincent Ziani ( 1960-1962 ), to the Minister of State, Home Office
 Royle, Anthony Henry Fanshawe, Baron Fanshawe of Richmond ( 1960-1962 ), to the Secretary for Air
 Royle, Anthony Henry Fanshawe, Baron Fanshawe of Richmond ( 1960 ), to the Parliamentary Under-Secretary for the Colonies
 Bossom, Clive, 2nd Bt. ( 1962-1964 ), to the Secretary of State for the Air
 Montagu Douglas Scott, Walter Francis John, 9th Duke of Buccleuch ( 1962-1964 ), to the Secretary of State, Scotland
 Royle, Anthony Henry Fanshawe, Baron Fanshawe of Richmond ( 1962-1964 ), to the Minister of Aviation
 Whitelaw, William Stephen Ian, 1st and last Viscount Whitelaw ( 1962-1964 ), to the Minister of Labour
 Ponsonby, Frederick Edward Neuflize, 10th Earl of Bessborough ( 1963-1964 ), to the Minister of Science
 Bossom, Clive, 2nd Bt. ( 1964 ), to the Ministry of Defence (RAF)
 Boston, Terence George, Baron Boston of Faversham ( 1964-1966 ), to the Minister of Public Buildings and Works
 Dalyell, Thomas, of the Binns ( 1964-1970 ), to Rt. Hon. R. H. S. Crossman
 Shore, Peter David, Baron Shore of Stepney ( 1965-1966 ), to the Prime Minister
 Boston, Terence George, Baron Boston of Faversham ( 1966-1968 ), to the Minister of Power
 Carmichael, Neil George, Baron Carmichael of Kelvingrove ( 1966-1967 ), to the Minister of Technology
 Archer, Peter Kingsley, Baron Archer of Sandwell ( 1967-1970 ), to the Attorney-General
 Ashley, Jack, Baron Ashley of Stoke ( 1967-1968 ), to the Secretary of State for Economic Affairs
 Boston, Terence George, Baron Boston of Faversham ( 1968-1969 ), to the Minister of Transport
 Molloy, William John, Baron Molloy ( 1969-1970 ), to the Minister of Posts and Telecommunication
 Astor, John ( 1970 ), to the Minister of Overseas Development
 Bossom, Clive, 2nd Bt. ( 1970-1972 ), to the Home Secretary
 Spencer-Churchill, Winston ( 1970-1972 ), to the Minister of Housing and Construction
 Cunningham, John Anderson, Baron Cunningham of Felling ( 1972-1976 ), to the Prime Minister
 Gummer, John Selwyn, Baron Deben ( 1972 ), to the Minister of Agriculture
 Spencer-Churchill, Winston ( 1972-1973 ), to the Minister of State Foreign and Commonwealth Office
 Ashley, Jack, Baron Ashley of Stoke ( 1974-1976 ), to the Secretary of State, Department of Health and Social Security
 Dean, Joseph Jabez, Baron Dean of Beswick ( 1974-1977 ), to the Minister of State, Civil Service Department
 Hughes, Royston John, Baron Islwyn ( 1974-1975 ), to the Secretary of State, Transport
 Gow, Ian ( 1979-1983 ), to the Prime Minister, Margaret Thatcher
 Miller, Hilary Duppa ( 1979-1981 ), to the Secretary of State, Defence
 Sainsbury, Timothy Alan Davan ( 1979-1983 ), to the Secretary of State for the Environment
 Stewart, Bernard Harold Ian Halley, Baron Stewartby ( 1979-1983 ), to the Chancellor of the Exchequer
 Evans, John, Baron Evans of Parkside ( 1980-1983 ), to the Leader of the Opposition
 Garel-Jones, William Armand Thomas Tristan, Baron Garel-Jones ( 1981 ), to the Minister of State, Civil Service Department
 Lee, John Robert Louis, Baron Lee of Trafford ( 1981-1983 ), to the Minister of State for Industry
 Lennox-Boyd, Mark Alexander ( 1981-1983 ), to the Energy Secretary
 Mackay, John Jackson, Baron Mackay of Ardbrecknish ( 1982 ), to the Secretary of State, Scotland
 Douglas-Hamilton, James Alexander, Baron Selkirk of Douglas ( 1983-1986 ), to the Foreign and Commonwelath Office Minister
 Foster, Derek, Baron Foster of Bishop Auckland ( 1983-1985 ), to the Leader of the Opposition
 Lee, John Robert Louis, Baron Lee of Trafford ( 1983 ), to the Secretary of State for Trade and Industry
 Lennox-Boyd, Mark Alexander ( 1983-1984 ), to Chancellor of the Exchequer
 Needham, Richard Francis ( 1983-1984 ), to the Northern Ireland Secretary
 Sainsbury, Timothy Alan Davan ( 1983 ), to the Secretary of State for Defense
 Lennox-Boyd, Mark Alexander ( 1984-1986 ), to the Assistant Government Whip
 Needham, Richard Francis ( 1984-1985 ), to the Environment Secretary
 Soames, Arthur Nicholas Winston, Baron Soames of Fletching ( 1984-1992 ), to Minister for State Employment
 Douglas-Hamilton, James Alexander, Baron Selkirk of Douglas ( 1986-1987 ), to the Secretary of State [Scotland]
 Forsyth, Michael Bruce, Baron Forsyth of Drumlean ( 1986-1987 ), to the Secretary of State for Foreign and Commonwealth Affairs
 Lennox-Boyd, Mark Alexander ( 1986-1988 ), to the Lord Commissioner of the Treasury
 Arbuthnot, James Norwich, Baron Arbuthnot of Edrom ( 1988-1990 ), to the Minister of State, Armed Forces
 Lennox-Boyd, Mark Alexander ( 1988-1990 ), to the Prime Minister
 Arbuthnot, James Norwich, Baron Arbuthnot of Edrom ( 1990-1992 ), to the Secretary of State, Department of Trade and Industry
 Bellingham, Henry Campbell, Baron Bellingham ( 1990-1992 ), to the Secretary of State, Transport
 Bellingham, Henry Campbell, Baron Bellingham ( 1992-1995 ), to the Secretary of State, Defence
 Coe, Sebastian Newbold, Baron Coe ( 1994-1995 ), to the Ministers of State for Defence and for the Armed Forces
 Faber, David James Christian ( 1994-1996 ), to the Minister of State, Foreign and Commonwealth Office
 Bellingham, Henry Campbell, Baron Bellingham ( 1995-1997 ), to the Secretary of State, Foreign Affairs
 Coe, Sebastian Newbold, Baron Coe ( 1995-1996 ), to the Deputy Prime Minister
 Faber, David James Christian ( 1996-1997 ), to the Secretary of State for Health
 Coe, Sebastian Newbold, Baron Coe ( 1997-2001 ), to the Leader of the Opposition
Count equals 190 individuals.
Parliamentary Private Secretary (P.P.S.)
 Hamilton-Temple-Blackwood, Basil Sheridan, 4th Marquess of Dufferin and Ava ( 1932-1935 ), President of teh Board of Education
 Hamilton-Temple-Blackwood, Basil Sheridan, 4th Marquess of Dufferin and Ava ( 1932 ), Parliamentary Under-Secretary to India
 Hamilton-Temple-Blackwood, Basil Sheridan, 4th Marquess of Dufferin and Ava ( 1935 ), Secretary of State for War
 Hamilton-Temple-Blackwood, Basil Sheridan, 4th Marquess of Dufferin and Ava ( 1935-1936 ), Lord Privy Seal
Count equals 4 individuals.
Total count equals 194 individuals.