- 'tHoen, Andrée to (?), Alice Maud
- (?), Alice Rosalie to (?), Anund, King of Sweden
- (?), Arabella to (?), Bridget
- (?), Bridget to (?), Colette
- (?), Colette to (?), Drogo, Duc de Bretagne
- (?), Dub Choblaig to (?), Elizabeth
- (?), Elizabeth to (?), Ena
- (?), Ena to (?), Frances Beverley
- (?), Frances Constance to (?), Guillaume V (III), Comte de Hainaut, Hollande et Zélande
- (?), Guillaume V, Duc d'Aquitaine to (?), Hilda M.
- (?), Hilda Virginia Prytz to (?), Janet
- (?), Janet to (?), Juliana
- (?), Juliane to (?), Louis XII, Roi de France
- (?), Louis XIII, Roi de France to (?), Margaret
- (?), Margaret to (?), Mary
- (?), Mary to (?), Mstislaw I, Grand Prince of Kiev
- (?), Muirchertach to (?), Pauline Mary
- (?), Paullina Marie to (?), Robert Michael
- (?), Robert Terence to (?), Sigismund III, King of Poland
- (?), Sigismund, Grand Duke of Lithuania to (?), Thorberg
- (?), Thorfinn 'the Black' to (?), unknown wife
- (?), unknown wife to (?), Vera Ethel
- (?), Vere to (?), Æthelthryth
- (?), Æthelwald, King of York to Abbott, Joseph
- Abbott, Joseph to Abdy, Mary
- Abdy, Mary to Abercromby, Alexander of Birkenbog, 1st Bt.
- Abercromby, Alexander of Pitmedden to Abergavenny, Lord (Hugh)
- Abergavenny, Lord (John) to Abrahull, Frederica
- Abram, Jillian Ruth to Ackers, Vera Harriet
- Ackery, Alan Melville to Acland, Guy
- Acland, Gwyneth Sybil to Acland, Wroth Palmer
- Acland-Hood, 3rd Baronet (Robert) to Acton, Maud d'
- Acton, Michelina to Adam, Margery ap
- Adam, Maria to Adams, Dorothea Ann
- Adams, Dorothy Evelyn to Adams, Jimmy
- Adams, Joan to Adams, Priscilla Isabella
- Adams, Priscilla Louisa Frances to Adamson, James
- Adamson, James Maxwell to Addis, William
- Addison, 1st Baron, of Stallingborough, co. Lincoln (Christopher) to Adkins, Paul Everett
- Adlard, Elizabeth to Agar, Mark Sidney Andrew
- Agar, Mary to Agnew, Annie Hatten
- Agnew, Anthony to Agnew, James Smith
- Agnew, James Stewart to Agnew, Quentin of Lochnaw
- Agnew, Rebecca to Ahrens, Victoria Jane
- Ahsbahs von de Lanze, Katharina to Air, Donna
- Aird, 1st Baronet, of Hyde Park Terrace, Paddington, London (John) to Aitken, Grant
- Aitken, Harry Kerr to Akinci, Selina Helen
- Akoulitchev, Alexander Victor to Albu, Gertrude Frederike Alice
- Albu, Irene Elsie to Aldeburgh, William, 2nd Lord Aldeburgh
- Aldenburg, (?) Baron von to Aldworth, Richard
- Aldworth, Richard to Alexander, Caledon Charles
- Alexander, Caledon Du Pré to Alexander, George
- Alexander, George to Alexander, Lucy Kate
- Alexander, Mabel Eleanor to Alexander, Teresa Mary Christina
- Alexander, Thankful to Alington, William, 1st Baron Alington of Killard
- Alington, William, 3rd Baron Alington of Killard to Allen, Arthur
- Allen, Arthur James to Allen, Ida Mary
- Allen, Ira H. to Allen, Nellie
- Allen, Nesta Eureka to Allendale, Viscountess (Violet Lucy Emily)
- Allende y Llano, Elisa to Allison, Stanley
- Allison, Steven John to Alsace, Thierry d', Comte de Flandre
- Alsbett, Alexandra to Altenburg, Prinz von ((?))
- Altenburg, Prinz von (Peter Friedrich) to Alvarez, Victoria Marone Bourbon
- Alvarez-Builla y Alvera, Gonzalo to Ames, Louis Eric
- Ames, Madeleine Rose to Amsberg, Zaria
- Amschel, Samuel Ben to Andea, Eva
- Anderl, Gustav to Anderson, Elizabeth
- Anderson, Elizabeth to Anderson, Kathleen Mary
- Anderson, Keith Arnold to Anderson, unknown
- Anderson, unknown wife to Andrewes, W. J.
- Andrews, (?) to Andrews, John
- Andrews, John to Andrews, Winifred
- Andreyev, Ardalion to Angoulême, Wulgrin III d', Comte d'Angoulême
- Angoumois, Eleanor d' to Anhalt-Bernburg, Prinzessin von ((?))
- Anhalt-Bernburg, Prinzessin von (Wilhelmine) to Anhalt-Dessau, Wolfgang Albrecht Moritz Friedrich Wilhelm Ernst Prinz von
- Anhalt-Harzgerode, Anna Ursula von to Anhalt-Zerbst, Wilhelm Christian Friedrich von
- Anjelic-Walch, Ivana to Annan, Margaret
- Annan, Marion to Annesley, Frances Priscilla Mary
- Annesley, Francis to Anscombe, Leonard Lockwood
- Ansdell, Carol W. to Anson, Liberty
- Anson, Lillian Gallia to Anstruther, Janet Catherine
- Anstruther, Janet Finetta Campbell to Anthony, unknown daughter
- Antich, Audrey to Antrobus, Walter Guy
- Antuni, Principe d' (Alfonso) to Aptaker, Margot
- Apthorp, Caroline to Arbuthnot, Augusta Mary Anne
- Arbuthnot, Barbara Margherita to Arbuthnot, Robert
- Arbuthnot, Robert Dalrymple, 6th Bt. to Arbuthnott, Margaret de
- Arbuthnott, Margaret de to Archdale, Georgina Emma Matilda
- Archdale, Geraldine Angel to Archdall, Henry Sutton
- Archdall, Henry Thomas Hewan to Archer, Lola
- Archer, Louisa Ellen to Archibald, William Montague
- Archinto, Beatrice, Comtessa Archinto to Ardglass, Countess of (Mary)
- Ardilaun of Ashford, 1st Baron, co. Galway (Arthur Edward) to Argyll, Duchess of (Elizabeth Georgiana)
- Argyll, Duchess of (Elizabeth) to Armitage, Harriett
- Armitage, Helen Theresa to Armstrong, Elsie Borodale
- Armstrong, Emily Dorothea to Armstrong, Sarah
- Armstrong, Sarah to Armytage, Reginald William
- Armytage, Roderick Charles to Arnott, Phyllis
- Arnott, Robert to Artaud, Theodore Prospere
- Artayeta Uriburu, Mercedes to Artois, Robert I d'
- Artour, John to Arundell, Jane
- Arundell, Jane to Aschan, Pennant Elfrida
- Aschenbrenner, Georgina Elizabeth to Ashburnham, Laurence
- Ashburnham, Laurence Piers to Ashfield, unknown son
- Ashford, 10th Baron, of Ashford, Kent (Rufus Arnold Alexis) to Ashton, Margaret Joan
- Ashton, Margaret Joan to Aske, Vera
- Askell, Mary to Asquith, William Willans
- Assancke and Tyrwhitt, Lord of, Northumberland (Robert) to Asti, Giuseppe d'
- Astin, E. R. to Astley, William, 4th Lord Astley
- Astley-Corbett, 5th Baronet (Francis Henry Rivers) to Astor, Jane
- Astor, Jane M. S. to Atherton, William H.
- Atheyn, Margaret to Atkins, Katherine Jane
- Atkins, Katherine Margaret Lucy to Atkinson, James
- Atkinson, James to Atslow, Eleanor
- Atta, Antonia Dell to Aubigny, Ludovic d', de Berry
- Aubigny, Mabel d' to Auchinleck, Katherine Ruth Leighton
- Auchinleck, Leslie to Audley, Thomas, 1st and last Baron Audley of Walden
- Audling, Thelma to Ault, Timothy
- Aumack, Eleanor Dorothea to Austin, Harry
- Austin, Helen to Avery, Timothy
- Avesgo de Coulonges, Louise d' to Ayer, Vanessa Mary Addison
- Ayers, Dick to Aylmer, 7th Baronet, of Balrath, co. Meath (Henry)
- Aylmer, 7th Baronet, of Doneda, co. Kildare (Fenton) to Aylmer, Gwladys Phoebe
- Aylmer, Hans Hendrick to Aylmer, Thomas
- Aylmer, Thomas to Aznar, Teresa Pastora
- Azucki, Lolicia Olivera to Backhouse, Jonathan Roger, 4th Bt.
- Backhouse, Joseph Lindsay to Bacon, May Blanche
- Bacon, Nathaniel to Baden, Leopold I Großherzog von
- Baden, Leopold Max Christian Ludwig Clemens Hubert von to Baden-Powell, Wendy Dorothy Lilian
- Badeni, Casimir to Baggallay, Richard Romer Claude
- Baggally, Claude to Bagnell, Robert Charles
- Bagnell, Rosemary Anne to Bagot, Jane
- Bagot, Jennifer Muriel to Bagshawe, Wilfrid
- Bagster, Grace Elizabeth to Bailey, Harriet Anne
- Bailey, Harvey George Howard to Baillie, Edith Georgina
- Baillie, Edward to Baillie, Thomas Richard
- Baillie, Victoria Frances Maud to Baillieu, John Pietain
- Baillieu, Judith Anne to Bainbridge, unknown
- Bainbrigg, Beatrice Eleanora to Baird, Henry Robert of Durris
- Baird, Herbert Theodore to Baker, Anne O'Sullivan
- Baker, Annie Bertha to Baker, Hugh
- Baker, Hugh to Baker, Sybella
- Baker, Sybella Mockler to Baldwin, Edward
- Baldwin, Edward to Balfe, Walter William Christopher
- Balfour of Burleigh, 1st Lord, co. Kinross (Michael) to Balfour, Jane Thomson
- Balfour, Janet to Baliol, Hugh de
- Balke, Katherine Lo Savio to Ball, Phyllida de Joncourt
- Ball, Randal Gresley to Balliol, Thomas
- Balloch, Gary to Bamford, William
- Bamford-Hesketh, Robert to Bancroft, William Harry
- Band, Sheila to Banks, William Lawrence
- Bankston, Laura Ann to Bantry, Viscountess (Margaret Anne)
- Banwell, Donald William to Barbey, Thomas
- Barbiera, Francesca Paola to Barclay, Fiona M.
- Barclay, Florence to Barclay, Ursula Jean
- Barclay, Vera Agnes to Barcroft, William James
- Barcsay de Nagy-Barcsa, Anna to Baring, Anna Maria
- Baring, Annabel to Baring, John
- Baring, John Anthony to Baring-Gould, Edith Sabine
- BARING-GOULD, Edward to Barker, Mary Mabel
- Barker, Michael to Barlow, Emma Nora
- Barlow, Enid to Barmore, William Emmett
- Barnaart, Anna to Barnbarroch, Lord (Patrick)
- Barnbular von Hemmingen, Ernestine Baronin to Barnett, Janina
- Barnett, Jewell to Barnewall, Judith Diane
- Barnewall, Judith Margaret to Barogi, Gregorio
- Barolles, Jean Paradis de to Barr, William
- Barr-Sim, Andrew John to Barrer, Frances
- Barrere, Sabine to Barrett-Lennard, Charles
- Barrett-Lennard, Charles Dacre to Barrett-Lennard, Mildred
- Barrett-Lennard, Mildred Keppel to Barrington, Emily Mary
- Barrington, Emma to Barron, Eliza
- Barron, Eliza Mary to Barron, Winston Netterville
- Barron-Newell, Edward Alphonse Winston to Barrowcliff, Thomas Simon Marmaduke
- Barrowclough, Anthony Richard to Barry, David
- Barry, David to Barry, Garrett
- Barry, Garrett to Barry, Joseph
- Barry, Josephine Norma to Barry, Richard
- Barry, Richard to Barry, William, 11th Lord Barry
- Barry, William, 8th Lord Barry to Bartlett, P. N.
- Bartlett, Paul Arthur to Barton, Elizabeth
- Barton, Elizabeth to Barton, Mary Anne
- Barton, Mary Barbara to Barttelot, John
- Barttelot, John to Bass, Wilmot Ida Noreen
- Bassam of Brighton, Baron, of Brighton in the County of East Sussex (John Steven) to Bassett, William
- Bassett-Smith, Mary to Bateman-Hanbury, William, 2nd Baron Bateman of Shobdon
- Bateman-Hanbury-Kincaid-Lennox, Charles Spencer to Bateson-Yarburgh, Robert Wilfred
- Batey, Anne to Bathurst, Elizabeth Rosemary Anne
- Bathurst, Elizabeth Sarah to Battagel, Elisabeth Christiana
- Batten, Amanda Rose to Bauffremont, Therese de
- Bauffremont-Courtenay, Felicie de to Baxter, Robert
- Baxter, Ruth Roskills to Bayern, Leopold Prinz von
- Bayern, Louis to Bayern, Wolfgang Maria Leopold Prinz von
- Bayern, Wolfgang Rupprecht Maria Theodore Prinz von to Bayley, Mary
- Bayley, Mary to Bayly, Ileene Caroline Ethel Otway
- Bayly, Irene to Baynes, William, 2nd Bt.
- Baynham, Alice to Beal, Wilmer Harris
- Beale, 1st Baronet, of Maidstone, co. Kent (John) to Beamish, Dorothea
- Beamish, Dorothy to Beamish, Henry George
- Beamish, Henry George to Beamish, Neville St. John
- Beamish, Noel de Vic to Beamish, Zoe
- Beamish-Bernard, Adderley to Beattie, William John Hunt Montgomery
- Beatty, 1st Baron, of the North Sea and of Brooksby, co. Leicester (David) to Beauchamp, Lord (Edward)
- Beauchamp, Lord (Henry) to Beauclerk, Jane (Mary)
- Beauclerk, Jane Elizabeth to Beaufort-Spontin, Valerie Georgine Gräfin von
- Beaufoy, Harold to Beaumont, Edward
- Beaumont, Edward to Beaumont, John, 2nd Bt.
- Beaumont, John, 2nd Lord Beaumont to Beaumont, Viscount de (Richard)
- Beaumont, Viscountess (Elizabeth) to Becher, Dorothy Blanche
- Becher, Dorothy Charlotte Hicks to Becher, Margaret
- Becher, Margaret to Beck, Ida
- Beck, Ida Cecil to Beckford, William
- Beckham, Constance Emily to Bedford, William of
- Bedford-Roberts, Fenella Sybil to Beer, Vanessa Leila
- Beerbohm, Agnes Mary to Begg, Violet Jessie
- Beggs, Anne to Belfield, Violet Enid Jane
- Belford, Anna Maria to Bell, Anne
- Bell, Anne to Bell, Helen
- Bell, Helen Cecilia to Bell, Natasha Jennifer
- Bell, Nicholas to Bellairs, Walter Grey
- Bellais, Joseph Manarii to Bellew, Richard, 3rd Baron Bellew of Duleek
- Bellew, Robert to Bellingham, Percy John
- Bellingham, Renee Anne to Belton, Sarah Jane
- Beltz, Edward William to Benckendorff, Susan Alexandra von
- Benda, Marion to Benn, Zvia
- Bennent, Patricia to Bennett, Anne Christine Peto
- Bennett, Anne Marcia to Bennett, Irene
- Bennett, Irene Elizabeth to Bennett, Simon
- Bennett, Simon Patrick to Bennison, Harold Francis
- Bennison, Harriet to Benson, Reginald Lindsey
- Benson, Rex to Bentinck, Bernhard Hendrick, Baron Bentinck
- Bentinck, Bona Elizabeth Jurrianne to Bentley, R. N. C.
- Bentley, Richard to Beresford, Baroness (Mina)
- Beresford, Barrington Henry de la Poer to Beresford, John
- Beresford, John Barré to Beresford, William, 1st Baron Decies
- Beresford-Ash, Agnès Marie Colette to Berger, Richard Jonathan Ross Wheeler
- Berger, Riley Emily Erin to Berkeley, Edward
- Berkeley, Edward Charles Mowbray to Berkeley, Louisa Elizabeth
- Berkeley, Louisa Emily Anne to Berkeley, Wulstan Hubert
- Berkeley-Weld, John Joseph Francis to Bermingham, William, 1st Baron Carbery
- Bermond d'Anduse, Philippe de to Bernard, Arabella Margaret
- Bernard, Arthur to Bernerdin, Ludwig Wilhelm von
- Berners, 10th Lord (Henry) to Berreras, Jose Maria
- Berressem, Flaminia Constance Maximiliane Antonia to Bertaud, Toussainte
- Berteau, Anne-Cécile to Bertie, Willoughby, Lord Norreys
- Bertier de Sauvigny, Chantal de to Best, Dorothy
- Best, Edith Anne to Bethell, Christopher
- Bethell, Christopher Adrian to Betteshorne, John
- Betteson, Martha to Bevan, Maria
- Bevan, Maria to Bewley, Thomas
- Bews, Charlotte Matilda to Bibica-Rosetti, Salvator
- Bibikov, Helene to Biddulph, Charles
- Biddulph, Charles Thomas to Biddulph, Nicholas
- Biddulph, Nicholas to Bigelow, Mercy
- Bigg, Arthur Lawrence to Billing, Thomas
- Billinge, Frank to Bingham, Denis
- Bingham, Denis Arthur to Bingham, William Henry
- Bingley, 1st Baron of, co. York (Robert) to Birch, Mavis Amelia
- Birch, Michael to Bird, Yvonne Swingler
- Birdlake, Brent Daniel to Birkett, William Norman, 1st Baron Birkett
- Birkhill, Elizabeth to Biron von Curland, Viktoria-Benigna Ina-Marie Cecilie Friederike-Luise Helene
- Birrell, Adam to Bishop, William Titus
- Bishopp, 10th Baronet, of Parham, co. Sussex (Cecil Augustus) to Black, Charlotte Mary Temple
- Black, Christine Leslie to Blackall, Elizabeth
- Blackall, Elizabeth to Blackburne, Ynys
- Blackden, John Chalfont to Blackett, Emily Jane
- Blackett, Ethel to Blackmore, Ruth Evelyn
- Blacknall, John to Blackwood, Ursula Henrietta
- Blackwood, Weir of to Blair, Winifred
- Blair-Cunynghame, Edwin to Blake, Christian
- Blake, Christiana to Blake, Isidore
- Blake, Isidore to Blake, Mary
- Blake, Mary to Blake, Valentine
- Blake, Valentine to Blakeney, Grace
- Blakeney, Grace Louisa to Blakenham, Viscountess (Marcia Persephone)
- Blakeny, Amy to Blakiston, Rosemary
- Blakiston, Sally Ann to Bland, Evaleen Wilson
- Bland, Evelyn to Blandy, William Poyntz
- Blandy-Jenkins, Caroline Ann to Blayney, William, 6th Lord Blayney, Baron of Monaghan
- Blaze, Charles Edward to Blennerhassett, Daniel
- Blennerhassett, Dawson to Blennerhassett, John Richard
- Blennerhassett, John Rowland to Blennerhassett, unknown
- Blennerhassett, unknown to Bligh, John Stuart, 6th Earl of Darnley
- Bligh, John, 1st Earl of Darnley to Blois, Fiona Claire
- Blois, Flavia Ria Joan to Blomefield, Wilmot Edward
- Blomer, Hester to Blood, Hannah
- Blood, Hannah to Blood, Thomas
- Blood, Thomas to Blouin, Marie Leona
- Blount, 10th Baronet, of Sodington, co. Worcester (Walter Aston) to Blount, William, 4th Baron Mountjoy
- Blow, Clare Desire to Blundell-Brown, Patricia Mary
- Blundell-Hollinshead, Richard to Blunt, Joachim Estioko Grant
- Blunt, Joan Evelyn Mary to Blythe, Rachel Georgiana
- Blythe, Richard Douglas to Boddam, Rawson Hart
- Boddam, Rose Eliza to Boeselager, Teresa Baronin von
- Boessiere-Thiennes, Nathalie de la to Bohun, William, 1st Earl of Northampton
- Boijen, Elizabeth van der to Bold-Hoghton, Richard
- Bolden, Caroline Elizabeth to Bolton of Bolton Castle, Baroness (Philippa Anne)
- Bolton, 1st Duke of (Charles) to Bomford, George Winter
- Bomford, Gerald to Bonaparte, Prince (Napoléon Joseph Charles Paul)
- Bonaparte, Prince (Pierre Napoléon) to Bond-Cabbell, Margaret
- Bondad Real, Marques de (Vicente) to Bonham-Carter, Victor
- Bonham-Carter, Victoria to Boobbyer, Philip Watson
- Boode, Lewis William to Booth, Beatrice May
- Booth, Benjamin to Booth, Humphrey
- Booth, Humphrey to Booth, Molly
- Booth, Nathaniel to Boothby, Avril Alice
- Boothby, Baroness (Wanda) to Bootle-Wilbraham, Wilma
- Boott, Ann to Borbone, Louis Victor-Emanuel Sixte Robert, Principe di Parma
- Borbone, Lucia Maria Raniera, Principessa di Borbone delle Due Sicilie to Borbón y Pinto, Maria Luisa de
- Borbón y Pérez, Alfonso to Boreel, Maurits Willem
- Boreel, Noor Astrid to Borough, William
- Boroughdon, Eleanor de to Borrowes, Mary
- Borrowes, Mary Anne to Borthwick, John
- Borthwick, John to Borup, Zipora
- Borutin, Victoria Nadherny von to Bosanquet, Pierre
- Bosanquet, Pierre to Bosten, Oliver Stanley
- Bostock, Agnes Helen to Botana, Victoria
- Botaniates, Nicephorus III, Emperor of Constantinople to Bothwell and Hartside, 1st Lord (Archibald)
- Bothwell, 1st Earl of (Francis) to Boucher, Violet Helen
- Bouchet, Madelina Elizabeth du to Boulogne, Marie, Comtesse de Boulogne
- Boulogne, Matilda de to Bourbon, Carlos
- Bourbon, Carlos Domingo to Bourbon, Marie de
- Bourbon, Marie de to Bourdaire, Sophie M. J.
- Bourdaisière, Françoise Babou de la to Bourgogne, Yolande de
- Bourke of Bophin, 1st Baron, co. Galway (John) to Bourke, Mary
- Bourke, Mary to Bourne, William Wykeham Frederick
- Bournel-Theinbronne, Jeanne de to Bouzols, Marquis de (Timoleon Joachim Louis)
- Bovaird, Gillean to Bowden, unknown
- Bowden, Valerie Raymont to Bowen, Lucy
- Bowen, Lucy Eleanor to Bowerman, Katherine
- Bowers, Alexandra Anna to Bowlby, Edward John Mostyn
- Bowlby, Edward Russell to Bowles, Judith
- Bowles, Judith Anne to Bowring, Thomas Scott
- Bowser, Dorothy Frances to Bowyer-Smijth, William
- Bowyer-Smijth, William to Boyd, Ann
- Boyd, Ann to Boyd, Jean
- Boyd, Jean to Boyd, W. H
- Boyd, Walter to Boyle, Alice Dorothy
- Boyle, Alice Leonora Zacyntha to Boyle, Emily Charlotte
- Boyle, Emily Harriet Catherine to Boyle, Juliana
- Boyle, Juliana to Boyle, Robin Lascelles
- Boyle, Roderick David Alasdair to Braamcamp de Almeida-Castello-Franco, Louise Amable
- Brabant, Alfred Geoffrey to Brabenec, James Jordan
- Brabetz, Eugenie to Bradbury, William
- Bradby, David Henry to Bradhurst, Henry M.
- Brading, Theda to Bradshaw, Rory Peter
- Bradshaw, Rosalie Annette to Bragança, Emanuel de
- Bragança, Felipe de to Brain, Walter Russell, 1st Baron Brain
- Braine of Wheatley, Baron, of Rayleigh in the County of Essex (Bernard Richard) to Branch, William
- Branch-Evans, Charles James to Brandenburg, Konrad von
- Brandenburg, Kunigarde von to Brandl, Trevor Nicholas Von Croy
- Brandler, David K. O. to Brannan, Lucy Emily
- Brannerydh, Anna to Brasil, Pedro de
- Brasileira, Isabel Maria de Alcántara to Braunschweig, Maud von
- Braunschweig, Maud von to Braunschweig-Lüneburg, Marie von
- Braunschweig-Lüneburg, Mathilde von to Braunschweig-Wolfenbüttel, Prinzessin
- Braunschweig-Wolfenbüttel, Prinzessin to Brayley, John Desmond, Baron Brayley
- Braylsford, Alice to Breese, William Lawrence
- Breeze, Emma S. to Brennan, unknown
- Brennand, Ida Norah Katherine to Brereton, George Augustus Herbert Hacket
- Brereton, George Stamer to Brereton, Temperance
- Brereton, Theodosia to Brett, Jack Alexander Baliol
- Brett, James to Brewose, Thomas, 1st Lord Brewose
- Brewse, Anne de to Bridgeman, Helen
- Bridgeman, Helen Diana to Bridges, John
- Bridges, John to Brienne, Marie de
- Brienne, Marie de to Bright, unknown
- Bright, Virginia Rae to Brinkley, Walter Stephens
- Brinkman, Karl Freiherr von to Briscoe, Hester
- Briscoe, Hester Matilda to Bristow, William
- Bristowe, Alan P. to Broadbridge, Sophie Mary
- Broadhead, 1st Baronet, of St. Leonards, Windsor (Theodore Henry Lavington) to Brocklebank, Richard Hugh Royds
- Brocklebank, Robert Allport to Brodie, Elizabeth
- Brodie, Elizabeth to Brodie, William
- Brodie, William to Brograve, Thomas, 3rd Bt.
- Brohman, Vivian to Bromley, Henry
- Bromley, Henry Walford to Brooke, Anne
- Brooke, Anne to Brooke, Henry Arthur Oliver
- Brooke, Henry Brian to Brooke, Rosalie Blanche
- Brooke, Rosalind Hester to Brooking, unknown
- Brookman, Baron, of Ebbw Vale in the County of Gwent (David Keith) to Brooks, Susan Jane
- Brooks, Susanna to Brotherston, William
- Brotherton, 1st Baron, of Wakefield, co. York (Edward Allen) to Broughton, Charles
- Broughton, Charles to Broughton, Thomas
- Broughton, Thomas to Broun, Nancy Alice
- Broun, Nicholas Malcolm to Brown, Beverley Eileen Rosemary
- Brown, Beverly to Brown, Graham John
- Brown, Granville to Brown, Margaret
- Brown, Margaret to Brown, Spencer
- Brown, Stanley to Browne, Ann
- Browne, Ann to Browne, Elizabeth
- Browne, Elizabeth to Browne, James
- Browne, James to Browne, Mary Louisa
- Browne, Mary Louise Stewart to Browne, William
- Browne, William to Browning, Rory Kelvin
- Browning, Ruth to Brownrigg, Joan
- Brownrigg, John to Bruce, Alexander Robson
- Bruce, Alexander Victor to Bruce, Deborah Lynn
- Bruce, Derek William to Bruce, Henry Campbell, 2nd Baron Aberdare of Duffryn
- Bruce, Henry Dalrymple to Bruce, Lucy
- Bruce, Lucy Helen to Bruce, Peveril John of Salloch, younger
- Bruce, Philena Mary Edith to Bruce, William Napier
- Bruce, William Nigel Ernle to Brudenell, Penelope Anne
- Brudenell, Philippa to Bruhl, Georg Maria Oswald Herman Andreas Graf von
- Bruhl, Graf von (Georg) to Brunsell, Jane
- Brunston, John de to Bryan, Nesta Joan
- Bryan, Patrick to Brydges, Winifred
- Brydon, Elizabeth to Buchan, John William de l'Aigle, 4th Baron Tweedsmuir
- Buchan, John, 1st Baron Tweedsmuir to Buchanan, Ida S.
- Buchanan, J. of Drumpellier to Buck, William, 2nd Bt.
- Buckeridge, Charles to Buckley, Winifred Rosa Isabel
- Buckman, Andrew Pierre to Buckworth-Herne-Soame, Susan
- Bucquoy, Carlotta Hilda von to Buffett, Ellen Mills
- Buffett, Ellis to Buffett, Yvette Lorraine
- Bug, Franziska Gräfin von to Bulkeley, Thomas Henry Rivers
- Bulkeley, Thomas James to Bullen, Muriel
- Bullen, Patrice to Bullock, Nicholas
- Bullock, Nigel Timothy to Bunbury, Elizabeth Pamela Somers
- Bunbury, Emily Henrietta to Bunting, William Richard
- Buntt, Bunty to Burden, Philip William, 2nd Baron Burden
- Burden, Richard John to Burdett, Thomas
- Burdett, Thomas to Burgess, Harry S.
- Burgess, Heather to Burgh, Elizabeth Margaret
- Burgh, Elizabeth Mary to Burgh, Selina Constance de
- Burgh, Shaun Hugo Gerard to Burgoyne, Katherine Louisa
- Burgoyne, Margaret to Burke, Hubert Plunkett
- Burke, Hubert William Austin to Burke, Ulick Jacquelyn
- Burke, Ulick John to Burn-Callander, William Henry
- Burnaby, 1st Baronet (William) to Burnett, Eliza Amelia
- Burnett, Elizabeth to Burnley, Mary
- Burnmanoff, Andrew to Burrard, William Dutton
- Burrard-Lucas, Catherine Frances to Burrough, William James
- Burroughes, Adelaide to Burrowes, Worthen
- Burrows, Adrienne to Burton, Edward
- Burton, Edward to Burton, Winifred Maud
- Burton-Chadwick, Beatrice May to Bury-Barry, Nesta Anne
- Busardò, Loredana to Bussey, unknown
- Bussfeild, Jane to Butler, Alice
- Butler, Alice Chia to Butler, Clare Martine
- Butler, Clarence Francis to Butler, Elizabeth
- Butler, Elizabeth to Butler, Henrietta Clara
- Butler, Henrietta Dorothea to Butler, Jennifer Mary
- Butler, Jennifer Susan Melville to Butler, Margaret
- Butler, Margaret to Butler, Pierce
- Butler, Pierce to Butler, Synolda Ellen Le Petit
- Butler, Tami to Butler, William Lambert
- Butler, William Neal to Butt, Oliver
- Butt, Patricia Jean to Butterworth, Winifred Mary
- Buttery, Alexander Kevin to Buxton, Edward Arthur Fowell
- Buxton, Edward Gurney to Buxton, Mary Katharine
- Buxton, Mary Philomena to Buzzard, Richard Bethune
- Buzzard, Sarah to Byng, Julian Michael Edmund
- Byng, Julian Michael Edmund to Byrne, Suzanne Adrienne
- Byrne, Sybil Edith Mabel to Byron, William
- Byron, William Henry to Cadbury, Simon C.
- Caddell, Andrew to Cadman, William Martin
- Cadogan of Oakley, 10th Baron, co. Buckingham (Charles Gerald John) to Caesar, Selma Anne
- Caeser, Charles to Cairnes, Diana Susan
- Cairnes, Doris Mamie to Cairns, Stephen
- Cairns, Tara Davina Amanda to Calder, William Henry Walsingham, 6th Bt.
- Calderhaugh, Nellie to Callaghan, George
- Callaghan, Gladys Muriel to Calmady, Pollexfen
- CALMADY-HAMLYN, Angela Grace to Calvert, Peter George
- Calvert, Piers Henry to Camera d'Afflitto, Ana Maria
- Camera y Ruspoli, Teresa to Cameron, Flora Patricia Elizabeth
- Cameron, Florence Elizabeth to Cameron, unknown daughter
- Cameron, unknown daughter to Campbell, Agnes
- Campbell, Agnes to Campbell, Archibald
- Campbell, Archibald to Campbell, Charles McCartney
- Campbell, Charles of Ardchattan to Campbell, Donald Patrick
- Campbell, Donald Swinton, 2nd Baron Colgrain to Campbell, Elizabeth Mary
- Campbell, Elizabeth Mary to Campbell, Guy, 1st Bt.
- Campbell, Gwladys Mary to Campbell, James of Auchinbreck, 5th Bt.
- Campbell, James of Auchinbreck, 6th Bt. to Campbell, John Coldstream
- Campbell, John Dermot to Campbell, Madeline Caroline Frances Eden
- Campbell, Madeline Georgina Annie to Campbell, Mary
- Campbell, Mary to Campbell, Ralph John
- Campbell, Rebecca to Campbell, W. S.
- Campbell, Wallie to Campbell-Orde, Winifred Beatrice
- Campbell-Orde, Winifred Harriet to Camrose, Viscountess (Mary Agnes)
- Camu, Adrien Bonaventure to Cannell, Mary Ann
- Cannell, Mary Anne to Canterbury, Viscountess (Georgiana)
- Cantillon, Caroline to Capell, George Marie
- Capell, Georgiana to Capstock, Roger
- Capua, Elisabetta to Carden, Beatrice
- Carden, Beatrice Georgina to Carden, Maria
- Carden, Maria to Cardigan, Earl of (George William James Chandos)
- Cardillac, Jeanne de to Carew, Elizabeth Anne
- Carew, Elizabeth Anne to Carew, Siobhán
- Carew, Sophia to Carington of Upton, Baron, of Upton in the County of Nottinghamshire (Peter Alexander Rupert)
- Carington, Alexandra to Carlevaris, Henri, Conde di San Damiano
- Carley, Rachel to Carlyon, William Thomas Alfred
- Carma Cerqueira Cesar, Maria dp to Carmichael, Janet
- Carmichael, Jean to Carne, William Power
- Carnegie of Kinnaird and Leuchars, 10th Lord (Charles Noel) to Carnegie, Margaret
- Carnegie, Margaret to Carpenter, George, 2nd Earl of Tyrconnell
- Carpenter, Harriet A. to Carr, Robert
- Carr, Robert C. to Carrington, Robert John, 2nd Baron Carrington of Upton
- Carrington, Roger to Carruthers, William Nigel
- Carryl, Elizabeth to Carter, Ernest de Freyne Tilson Shaen
- Carter, Ernest Tilson Shaen to Carter, Thomas Wren
- Carter, Thomsa Shaen to Carver, John
- Carver, John Antony to Cary, Mary Anne
- Cary, Mary Elizabeth to Case, Mary
- Case, Nancy Mary to Cash, Mary Jane
- Cashel, Arthur to Cassillis, Master of (Thomas)
- Cassin, Marie Sophie de to Castell-Rüdenhausen, Elisabeth Gräfin zu
- Castell-Rüdenhausen, Elisabeth zu to Castilla, Constanza de
- Castilla, Constanza de to Castlehaven, Countess of (Mary)
- Castlemaine of Moydrum, 1st Baron, co. Westmeath (William) to Cater, Henry
- Cates, (?) to Cathcart, William, Master of Cathcart
- Catherall, Elizabeth to Catto, John
- Catto, Josephine Innes to Caulfeild, James Alfred, 7th Viscount Charlemont
- Caulfeild, James Bellairs to Cauntelo, William, 2nd Lord Cauntelo
- Cauntelou, Joan de to Cave, George
- Cave, George Charles to Cave-Browne, William Henry
- Cave-Browne-Cave, Adrienne to Cavendish of Hardwick, 9th Baron, co. Derby (William George Spencer)
- Cavendish of Keighley, 1st Baron, co. York (George Augustus Henry) to Cavendish, Georgina Mary
- Cavendish, Gillian to Cavendish, William
- Cavendish, William to Cawley, Harold Kenneth John
- Cawley, Harold Thomas to Cayley, Gertrude Stephanie
- Cayley, Gladys to Cayzer, Iris Cecilie
- Cayzer, James Arthur, 5th Bt. to Cecil, Francis
- Cecil, Francis Horace Pierrepont to Cecil, Yvonne
- Cedergren, Carl Axel to Chad, Sarah
- Chadburn, James Howarthe Paul to Challis, Thomas
- Challoner, John to Chamberlain, Joseph
- Chamberlain, Joseph to Chambers, Robert J.
- Chambers, Robert Sharp Borgnis Hammond to Champagné, Mary Anne
- Champanich, Orapin to Chance, William, 2nd Bt.
- Chancellor, Alexander to Chanson, Sophie
- Chanteau, Frances Elizabeth de to Chapman, Françoise
- Chapman, Freddy to Chapman, William, 3rd Bt.
- Chaponay, Antoine Marie François, Marquis de Chaponay-Morance to Chappuis, Marie
- Chappuis, Marie to Charley, Emily
- Charley, Emily Constance Jane to Charrier, Nicolas-Jacques
- Charrin, Odile de to Chartres, John
- Chartres, John to Chateaudun, Jeanne de
- Chateaugay, Seigneur de (Louis) to Chaumont-Quitry, Romee de
- Chaumpaigne, John de to Chayla, Beatrix de
- Chaytor, 1st Baronet, of Croft Hall [near Darlington], co. York (William) to Cheeke, Thomas
- Cheer, Alfred to Chenevix Trench, Patricia Jane
- Chenevix Trench, Philip Charles to Chernock, Vincent
- Chernoff, Alexei to Chester, unknown daughter of
- Chester, W. to Chetwood, Thomas William
- Chetwood-Aiken, Beatrice Chewode to Chetwynd, Michael
- Chetwynd, Mildred Florence Mary to Chetwynd-Talbot, Frieda Amanda Sophia
- Chetwynd-Talbot, George Gustavus to Chevers, Michael Joseph
- Chevers, Michael Joseph to Chichester of Belfast, Baroness (Lettice)
- Chichester of Carrickfergus, 10th Viscount, co. Antrim (George Augustus) to Chichester, Geraldine
- Chichester, Geraldine Maud to Chichester-Clark, Thomas Finn
- Chichester-Constable, Inez to Child-Villiers, William Alexander
- Childe, Catharine to Chinnery, Margaret
- Chinnery, Margaret to Chisholm-Batten, Winifred Mary
- Chisholme, Alexander to Cholmeley, Margery
- Cholmeley, Mary to Cholmondeley, Monica Irene
- Cholmondeley, Penelope to Christian, Amy Caroline Buffett
- Christian, Amy Joycelin to Christian, Dorcas Almira
- Christian, Dorcas Elaine to Christian, Fletcher
- Christian, Fletcher Ewan Percy to Christian, Janet Elizabeth
- Christian, Janice Ellen to Christian, Marguerite Minnie Eva
- Christian, Maria to Christian, Robert
- Christian, Robert Calder to Christian-Bailey, Virginia D.
- Christian-Warren, Darrin to Chubb, William Maurice
- Chudleigh, 1st Baronet, of Ashton, co. Devon (George) to Churchill, Zoë
- Churchill-Emery, Elizabeth Joy to Cisneros Saint John Quade, Maria Laura
- Cisneros, José Alberto to Clanricarde, Countess of (Julia)
- Clanricarde, Countess of (Margaret) to Clarendon, Mary Elizabeth
- Clarendon, Owen Samuel Edward to Clark, Edward Palmer
- Clark, Edward Rawson to Clark, Katherine Marianne Violet
- Clark, Katherine May Abercrombie to Clark, Timothy Ian Hugh
- Clark, Timothy Paul Trevor to Clarke, Caroline Stephenson
- Clarke, Caryll Margaret to Clarke, Geoffrey
- Clarke, Geoffrey to Clarke, Margaret
- Clarke, Margaret to Clarke, Stanley Charles
- Clarke, Stanley de Astel Calvert to Clary und Aldringen, Therese von
- Clary, Bernhardine Eugenie Desirée to Clay, William
- Clay, William Dickason, 2nd Bt. to Clayton, Mary Jane
- Clayton, Mary Margery to Cleeve, Vera Jane
- Cleeve, Veronica to Clements, John Marcus
- Clements, John Mervyn Henry to Clerk, George Thomas
- Clerk, Georges Edward to Clerke, John, 1st Bt.
- Clerke, John, 4th Bt. to Cleveland, Stella Therese
- Cleveland, Stephen Grover to Clifford, Caroline Peta
- Clifford, Catherine to Clifford, Sibyl Mary
- Clifford, Sicele Agnes to Clifton, Thomas Henry
- Clifton, Thomas Henry to Clinton, Elizabeth
- Clinton, Elizabeth to Clive, Lewis
- Clive, Lilla Elenore Sara to Clothier, unknown
- Clotworthy, Hugh to Cluett Sage, Constance
- Cluett, George Bywater II to Coates, Frederick Gregory Lindsay, 2nd Bt.
- Coates, G. A. to Cobb, William Henry
- Cobbald, Blanche Katherine to Cobbold, Patricia Mary Adela
- Cobbold, Patrick Alexander Fromanteel to Cochrane of Dundonald, Lady (Eupheme)
- Cochrane of Paseley and Ochiltrie, 10th Lord (Thomas) to Cochrane, Grace Evelyn
- Cochrane, Graham Douglas to Cochrane, Ralph Henry Vere, 4th Baron Cochrane of Cults
- Cochrane, Rebecca Frances to Cockburn, Elizabeth
- Cockburn, Elizabeth to Cockerline, Walter Herbert
- Cockes, Elizabeth to Cocks, Yvonne Dawn
- Cockshott, Angela Margaret to Codrington, Joan Kathleen Birelli
- Codrington, Joan Mary to Coffey, William Lees
- Coffin, Alice to Cohen, Jonathan
- Cohen, Joseph to Cokayne, Yvette
- Coke of Holkham, 1st Viscount, co. Norfolk (Thomas) to Coker, Thomas
- Cokesey, Elizabeth to Colclough, George
- Colclough, Georgiana to Cole, Charlotte June
- Cole, Charlotte Maria to Cole, William Wells
- Cole, William Willoughby to Colepeper, William, 1st Bt.
- Colepepper, Elizabeth to Colfox, Louisa
- Colfox, Margaret Wansey to Collett, Richard Patrick
- Collett, Robert to Collingwood, William
- Collingwood-Anstey, Alexander to Collins, William Edmund Wood
- Collins, William Fellowes to Colomb, Mary
- Colomb, Mary Bradley to Colquhoun, Robert
- Colquhoun, Robert to Colthurst, Elizabeth
- Colthurst, Elizabeth to Colvill, George Chaigneau
- Colvill, George James to Colville, Hugh Ker
- Colville, Isabel to Colvin, William
- Colvin-Smith, Colvin to Commarque, Marquis de (Godefroi)
- Commee, Cassie Charlotte to Compton, Rosemary Ashley Morritt
- Compton, Ruth to Conant, Morfydd
- Conant, Nathaniel to Congreve, Louisa Harriet
- Congreve, Margaret Cholson to Conner, Roger
- Conner, Roger to Consett, Winifred Edith
- Considine, (Carmen Helen) Dorothy to Constable-Maxwell, Michael Hugh
- Constable-Maxwell, Militza to Conti, Vittoria dei Conti di
- Contillo, Maria Reyes Garscia to Conyers, Thomas
- Conyers, unknown to Cook, Douglas Henry
- Cook, Edgar Joseph to Cooke, Bryan, 6th Bt.
- Cooke, Caroline Judith Vivienne to Cooke, Maria Jane Durrell
- Cooke, Marian Elizabeth to Cooke-Collis, Zachary
- Cooke-Hurle, Alison Margaret to Cookson, Olive Nestfield
- Cookson, Osmond Laurence Charles to Cooper, Austin
- Cooper, Austin to Cooper, Gawn
- Cooper, Geoffrey Beauchamp Astley to Cooper, Margaret Jane Amelia
- Cooper, Margaret Jefferson to Cooper, Thomas
- Cooper, Thomas to Coote, Charles Eyre
- Coote, Charles Eyre to Coote, Philip Arthur Cecil
- Coote, Philippa Jacqueline to Coplen-Langford, Thomas Crawford
- Copleston, Anne Elizabeth to Corballis, Etheldreda
- Corballis, Evelyn to Corbett, Gwyn Mervyn
- Corbett, Hazel Christina to Coreth zu Coredo, Theresia von
- Coreth, Alfons Graf von to Cornelissen, Ella Daisy
- Cornelius, Beres to Cornwall, John
- Cornwall, John to Cornwallis, Yvonne
- Cornwallis-West, Beatrice Stella to Corsellis, Nicholas Robert Alexander
- Corsi di Turri, Raffaele to Coryton, William
- Cos-Gayon y Acebal, Maria de la Consolacion to Cossé-Brissac, Marie-Pierre de
- Cossé-Brissac, Pierre-Emmanuel de to Cotter, Elizabeth
- Cotter, Elizabeth Ann to Cotter, Peter James
- Cotter, Philadelphia Louisa to Cotton, Beatrice Jessie
- Cotton, Benjamin Temple to Cotton, Mary
- Cotton, Mary to Couessin du Boisriou, Michel
- Coufourie, Jean-Marc to Cour, Pierre de la de Balleroy
- Cour-Balleroy, Daisy de la to Courcy, Patrick de
- Courcy, Patrick de to Courtenay, Elizabeth
- Courtenay, Elizabeth to Courtenay, William Reginald, 11th Earl of Devon
- Courtenay, William, 10th Earl of Devon to Coussmaker, Sophia, Baroness de Clifford
- Coutances, Henry I 'Beauclerc' de to Coventry, Frederick Halford
- Coventry, Frederick William to Coventry, Winifred Louise
- Coventry, Xenia to Cowie, Yoko
- Cowle, Esther to Cox, Betty Joan
- Cox, C. C. to Cox, Tricia
- Cox, unknown to Cradock, Theodosia Sarah Frances
- Cradock-Hartopp, 10th Baronet, of Freathby, co. Leicester (Kenneth Alston) to Craighill, Patricia
- Craigie, (?) to Cramm, Wilhlem-Ernst Baron von
- Crammond, Donald Ian to Cranmer, William
- Cranmer-Kenrick, George to Crause-Boardman, Clement Hamilton
- Craushaar, Dorothea von to Craven, William, 6th Baron Craven of Hampsted Marshall
- Craver, Matilda to Crawford, Grace Hendry
- Crawford, Guy M. A. to Crawford, Thomas
- Crawford, Thomas to Crawley, John Lloyd
- Crawley, John Lloyd to Crawshaw of Crawshaw, Baroness (Mary Ethel)
- Crawshaw, Alice to Creagh, Thomas Miller
- Creagh, Thomas Miller to Crespi, Marie Assumpta
- Crespin, Miles to Crewe, Julian
- Crewe, Marchioness of (Margaret Etrenne Hannah) to Crichton, Georgina
- Crichton, Georgina Caroline Nicola to Crichton, William, 3rd Viscount Frendraught
- Crichton, William, 5th Lord Crichton of Sanquhar to Crisp, Frank, 1st Bt.
- Crisp, Frederick to Croasdaile, William
- Croatia, Duke of (Almus) to Croft, James
- Croft, James Craggs Page to Croftes, William
- Crofton of Mote, 1st Baroness, co. Roscommon (Anne) to Crofton, Georgiana Ann
- Crofton, Georgiana Lucy to Crofton, Sally
- Crofton, Sandra Jane to Crofts, William, 1st and last Baron Crofts of Saxham
- Crofurd, Roger to Croker, Vivienne Margaret
- Croker, Walter to Cromwell, Walter
- Cromwell, Wingfield, 2nd Earl of Ardglass to Crone, William Frederick
- Cronia, Albert Delmas III to Crosbie, Anne
- Crosbie, Anne to Crosbie, Sarah Diana
- Crosbie, Sean Maccrossan to Cross, Katherine Hugo
- Cross, Katherine Madge to Crossmaker, William Henry
- Crossman, Alan Dudley to Croxford, Michael Peter
- Croxton, Boydell to Croy, Yolande Marie Ernestine Emma Isabelle
- Croy-Havre, Adelaide de to Croÿ, Emmanuelle Claire Constance Marie Prinzessin von
- Croÿ, Emmanuelle Therese Marie Anna Leopoldine Prinzessin von to Cruickshank, Shirley
- Cruikshank, Bernard to Cubitt, Roland Calvert, 3rd Baron Ashcombe
- Cubitt, Ronald Charles Edward to Cullen, David Alastair Thomas
- Cullen, Domingo to Culme-Seymour, Mary Georgiana Watson
- Culme-Seymour, Mary Primrose to Cumming, Muriel Louise
- Cumming, Nicholas Paul to Cummins, William John
- Cumshionagh, Joan Tobyn to Cuninghame, David
- Cuninghame, David of Corsehill, 3rd Bt. to Cunliffe, Hannah Leigh
- Cunliffe, Harriet to Cunningham, Ellen
- Cunningham, Emily Mary Rose to Cunynghame, Daisy Albinia
- Cunynghame, David to Cuppaidge, William
- Cupples, George to Curran, Winifred Olive
- Curre, Constance Rebecca to Currie, James Michael Blyth
- Currie, James P to Curtis, Augustus John
- Curtis, Barbara Ellen to Curtis, Mary Owen
- Curtis, Matthew John to Curwen, William
- Curzon of Kedleston, 1st Baron, co. Derby (George Nathaniel) to Cusack, Edward
- Cusack, Edward to Cust, Peregrine Francis
- Cust, Peregrine Francis Adelbert, 6th Baron Brownlow of Belton to Cuvelier, Merlin
- Cuvello, Raquel Leonor Pinneiro to Czernin von und zu Chudenitz, Sophie Christiane Gräfin
- Czernin von und zu Chudenitz, Sophie Gräfin to D'Arcy, Elizabeth Margaret
- D'Arcy, Elizabeth Marian to D'Arcy, Richard
- D'Arcy, Richard to D'Oyly, William, 2nd Bt.
- D'Souza, Baroness, of Wychwood in the County of Oxfordshire (Frances Gertrude Clair) to Dafydd, Owain ap
- Dagg, Agnes to Dalgety, Thomas Arthur
- Dalgish, Alexander Augustus to Dalquist, Trudy
- Dalraida, Eochaid IV of to Dalrymple-Hay, Charlotte Ann
- Dalrymple-Hay, Christopher Hamish to Dalway, Robert
- Daly, (Ann) Christine to Daly, Karen Ann
- Daly, Katharine to Dalzell, Eleanor Jane Elizabeth
- Dalzell, Eliza Jane to Damment, Susan
- Dammery, Margaret to Dane, Paul
- Dane, Paul to Daniel-Tyssen, William George
- Daniell, Agnes to Danvers, Robert
- Danyel, Elizabeth to Darby, William Edward Clere Augustus
- Darby, William Henry to Darcy, William
- Darcy-Osborne, Francis Godolphin to Darley, Susanna
- Darley, T. F. to Darrell, William
- Darrigan, Alexandra Hope to Dashwood, Anne
- Dashwood, Anne to Dashwood, Molly Frances
- Dashwood, Montague George to Daunt, Alice
- Daunt, Alice Ismere to Daunt, William Percy
- Daunte, Elizabeth to David, William
- Davidge, J. B. to Davidson, Neil Forbes, Baron Davidson
- Davidson, Nicolas to Davies, Beryl
- Davies, Beryl to Davies, Kim Mark
- Davies, Kiri to Davies, Zoe
- Davies-Berrington, Arthur Vendigaid to Davis, Emma
- Davis, Emma A. to Davis, Ophelia
- Davis, Owen Austen to Davison, Thomas
- Davison, Thomas to Dawes, Sarah
- Dawes, Sarah Marian to Dawnay, William Richard
- Daws, Clara to Dawson, Mary
- Dawson, Mary to Day, Jodie Elizabeth
- Day, John to Deacon, Gillian Mavis
- Deacon, Gladys Marie to Dean, Winton Basil
- Dean-Pitt, Eve Mary to Dease, Eveline Mary
- Dease, Florence Helen to Decies, Lord of the (John)
- Deck, Adela Ellen Susan to Degenfeld-Schonburg, Istvan Graf von
- Degenfeld-Schonburg, Johanna Helene Gräfin von to Delamer, William Percy
- Delamere of Vale Royal, 1st Baron, co. Chester (Thomas) to Delmar-Morgan, Susan Henrietta Hargreaves
- Delmas, Marguerite to Dempsey, Stanley
- Dempster, Agnes to Denison, Zinnia
- Denison-Pender, Camilla Lethbridge to Denmark, Frederik of
- Denmark, Frederik V of to Dennis, George Morley
- Dennis, Gertrude to Denny, Edward
- Denny, Edward to Dennys, William
- Denroche, Anne to Derby, Countess of (Elizabeth)
- Derby, Countess of (Emma Caroline) to Des Voeux, William Richard, 9th Bt.
- Desaguliers, Mary Catherine to Despenser, Thomas, 1st Earl of Gloucester
- Despine, Anne Hariot Mary to Devereux, William
- Devia, Mercédès to Devonshire, John
- Dew, Audrey to Dewar, John Arthur
- Dewar, John Forrest to Dewey, Violet
- Dewhurst, Annie Lee to Dick, William of Braid
- Dick, William of Prestonfield, 2nd Bt. to Dickinson, Hilda Maude Catherine
- Dickinson, Hugh Geoffrey to Dickson, Lynda Mary Kathleen
- Dickson, Margaret to Digby, Diana Mary
- Digby, Dione Marian to Digby, Zara Jane
- Digby-Johnson, Ada to Dill, John
- Dill, John to Dillon, Brian
- Dillon, Bridget to Dillon, Julia Constance
- Dillon, Julian to Dillon, Victoire M. U.
- Dillon, Vivian H. S to Diou, Fernand
- Diplarakos, Aliki to Dixon, Darrell W.
- Dixon, Davis Carea to Dixwell-Oxenden, Percy, 10th Bt.
- Dièye, Claudine Hélène to Dobbin, Margaret Mary
- Dobbin, Margaret Mary Dey to Dobbs, Hercules
- Dobbs, Honor to Dobrowolska, Madame Madeline Honorine
- Dobrowolsky, Hélène to Dodds, Peter G. R.
- Dodds, Peter John Cochrane to Doig, (?)
- Doig, (?) to Dolling, Robert Holbeche
- Dolmage, (Carfrae) Hamilton to Domvile, John
- Domvile, John Patrick to Donaldson, Elizabeth
- Donaldson, Elizabeth to Doneraile, Viscountess (Sylvia Stephenson)
- Dones, Arthur Albert to Donovan, Margaret
- Donovan, Margaret Mary to Dorman, Edward
- Dorman, Edward Anthony John Reginald to Dormer, Eveline Mary
- Dormer, Florence Augusta to Double, Melinda Jane
- Doubleday, Elsie to Douglas, Anne Katharine
- Douglas, Anne, Countess of Orkney to Douglas, Florence
- Douglas, Frances to Douglas, Jean
- Douglas, Jean to Douglas, Nova
- Douglas, Oley to Douglas-Hamilton, Catherine
- Douglas-Hamilton, Catherine Bride to Douglas-Pennant, Edward
- Douglas-Pennant, Edward Sholto, 3rd Baron Penrhyn to Dove, William Lionel
- Dovenberger, Elizabeth to Dowling, William
- Dowman, Alison Frances to Downing, William
- Downpatrick, 1st Baron (George Edward Alexander Edmund) to Doyne, Florence
- Doyne, Frances to Drake, Elizabeth
- Drake, Elizabeth to Drechsel zu Deuffstetten, Sophie von
- Drechsel, C. F. to Drexel, Sarah Rozet
- Dreyer, Aglae to Droste zu Vischering von Nesselrode-Reichenstein, Alfred Graf
- Droste zu Vischering von Nesselrode-Reichenstein, Felix to Drummond, Elizabeth
- Drummond, Elizabeth to Drummond, Malcolm
- Drummond, Malcolm to Drummond-Hay, Harold Sandford
- Drummond-Hay, Harry Kinfauns to Dryden, Elizabeth
- Dryden, Elizabeth to Ducat, Winifrede
- Ducat-Hamersley, Edward Graham to Duckworth, William Arthur
- Duckworth, William Nicol to Dudley, Winifred
- Dudley-Hill, Antony Ponsonby to Duff, Emily Alice Pauline
- Duff, Emily Beatrice to Duff, Marjory
- Duff, Marlene Anane to Duffield, Lynne
- Duffield, Margaret Eva to Dugdale, James
- Dugdale, James to Dukes, R.
- Dukeson, Anne to Dunbar, Cassandra Talbot
- Dunbar, Catharina Agnes Sophie to Dunbar, Jessie Anne Pauline Louise
- Dunbar, Joan to Dunbar, William
- Dunbar, William to Duncan, Marjorie Violet Isobel
- Duncan, Mary to Dundas, Amy Mary
- Dundas, Ann to Dundas, James of Dundas
- Dundas, James of Dundas to Dundas, unknown daughter
- Dundas, unknown daughter to Dungern, Wilhelmine Baronin von
- Dunglas, 10th Lord (Alexander) to Dunlop, Robert Jack
- Dunlop, Robert James to Dunn, William
- Dunn, William to Dunsany, 9th Lord (Christopher)
- Dunsby, Rachel to Dupree, Victor, 4th Bt.
- Dupree, Violet Isabel Mary to Durham, Victoria
- Durham, W. A. to Dutheil, Jean-Pierre
- Duthie, Alison Gillian to Dwervyhouse, William
- Dwight, Augusta to Dyer, Pamela
- Dyer, Patricia to Dymoke, William Thomas Marmion
- Dymond, Catherine Lois to Eagar, Jane
- Eagar, John to Eardley-Wilmot, Mary Assheton Alexandra
- Eardley-Wilmot, Mary Blanche to Earle, Reginald
- Earle, Richard to Eastwood, Winifred
- Eaton, (?) to Ebrahim, Zulfiqar Ali Currimbhoy
- Ebrington, 1st Viscount, co. Gloucester (Hugh) to Eckford, Mary
- Eckhel, Hugo von to Eden, Emma
- Eden, Emma to Eden, Robert John Patrick
- Eden, Robert John Pulleine to Edgcumbe, Winifred
- Edge, Ada Jane to Edmondson, Sally Louise
- Edmondstone, Isabella to Edward, William Walter
- Edward-Moss, 1st Baronet (Thomas) to Edwards, Georgiana
- Edwards, Gladys Irene to Edwards, William
- Edwards, William to Egerton, Elizabeth
- Egerton, Elizabeth to Egerton-Savory, Dorothy Mary Margaret
- Egerton-Warburton, Antoinette Elizabeth to Eilenburg, Heinrich II von
- Eilken, Alice to Elder, Yvonne
- Elder-Jones, Diana Katharine to Eliot, Lydia
- Eliot, Margaret to Eliott, Margaret
- Eliott, Margaret to Ellice, Margaret Georgiana
- Ellice, Marion to Elliot, Robert of Redreugh
- Elliot, Rosalie Yvonne to Elliott, Rosalind Ann
- Elliott, Rosamund Grant Renton to Ellis, Sarah
- Ellis, Sarah Beth to Elphinstone, Anna Maria
- Elphinstone, Anne to Elphinstone, Thomas George
- Elphinstone, Thomas Philipps to Elton, Iris Georgina Hallam
- Elton, Isaac to Eltz, Therese Gräfin von und zu
- Elveden, 1st Viscount (Edward Cecil) to Elwood, William
- Elworthy, Andrew to Emmerson, William
- Emmerton, Mary June to Enghein, Seigneur d' (Walter IV)
- Enghien, John of to Ennis, Winifred Dorothy
- Ennisdale, 1st Baron, of Grately, co. Southampton (Henry Edward) to Erba-Odescalchi, Sibylla, Principesa di Monteleone
- Erbach, Anna Gräfin von to Erbach-Schönberg, Xenia Prinzessin von
- Erbury, Harry to Erni, Rita Maria
- Erni, Rolf to Erskine, Alison Colquhoun
- Erskine, Alison Gillian to Erskine, Gwenydd
- Erskine, Gwenydd Frances to Erskine, Marie Claude Irène
- Erskine, Marie Elizabeth Burton to Erskine-Hill, Suzannah
- Erskine-Murray, Alan D'Ardis, 14th Lord Elibank to Esmonde, Laurence Grattan, 13th Bt.
- Esmonde, Laurence, 3rd Bt. to Espinassy de Fontanelle, Marius d'
- Espinay, Jacques d', Seigneur d'Usse et de Saint-Michel-sur-Loire to Este, Marchese d' (Azzo VII)
- Este, Marchese d' (Azzo VIII) to Estrange, William L'
- Estremadoyro y González de Aguilar, Victor Manuel to Eustace, Andrew Mark
- Eustace, Ann to Eustace, Margaret
- Eustace, Margaret Alison to Evans, Alicia
- Evans, Alicia Madeline Isobel to Evans, Elizabeth
- Evans, Elizabeth Anne to Evans, Jean Rebecca
- Evans, Jennifer Frances to Evans, Nina Corry
- Evans, Noreen Lorraine to Evans, Yona Leslie
- Evans-Bevan, 1st Baronet (David Martyn) to Everard, Charles
- Everard, Charles to Every, Celia Yolanda
- Every, Charles Henry Sherard to Every-Clayton, Penelope
- Eves, Anna Maria to Ewing, William Leckie
- Ewings, Sarah to Exshaw, William Edgard
- Exshaw, William Ernest to Eyre, Hastings Augustus
- Eyre, Hastings Elles John to Eyre, William
- Eyre, William to Fabrice, Oswald Baron von
- Fabricius, Suzanna Jacoba to Fagan, James Langdale
- Fagan, James Lawtie to Fagge, John Harry Lee Fagge
- Fagge, John William Charles to Fairbairn, Reginald
- Fairbairn, Rhoda Jane to Fairford, 9th Viscount, co. Gloucester (Arthur Francis Nicholas Wills Ian)
- Fairgrieve, Patricia to Falconer, William Ernest
- Falconer, William, 6th Lord Falconer of Halkertoun to Falkner, Trueman Tully
- Falkowski, Richard to Fane, Edwyn Charles
- Fane, Eileen to Fane, Robert Trefusis
- Fane, Robert William Augustus to Faris, William
- Farkas, Alexandra to Farquhar, Harold Lister
- Farquhar, Harriet Blanche Elizabeth to Farquharson, Jane
- Farquharson, Jane Stewart to Farrant, William
- Farrar, 1st Baronet (George) to Farrington, Eleanor Kathleen
- Farrington, Elizabeth to Fauconberg of Newborough, 2nd Earl of (Henry)
- Fauconberg of Yarm, 1st Baron, co. York (Thomas) to Fawcett, Lines
- Fawcett, Lorilee Faye to Featherstonhaugh, Victoria Bronwen
- Febvre, Henri Ie to Feilding, David Charles
- Feilding, Diana to Feldscher, Peter
- Feldt, Felicitas to Felton, Timothy
- Felton, Vivienne Irene to Fenwicke-Clennell, Warren
- Fenzi, John M. Douglas de to Ferguson, John Stephenson
- Ferguson, Jon Patrick to Fergusson, Fergusson
- Fergusson, Fergusson to Fergusson, Sheena
- Fergusson, Simon to Ferns, Rosemary Sylvia Dorinda
- Fernyhough, Kerry Anne to Ferrers, Elene de
- Ferrers, Elizabeth to Festing-Smith, Esther Eleanor
- Feston, Eliza to Fetherstonhaugh, Lucy
- Fetherstonhaugh, Lucy Emily to ffolkes, William John Henry Browne, 2nd Bt.
- ffolliot, Johanna to ffrench, Winifred
- ffrench-Constant, Anna Elizabeth to Fielding, Henry George
- Fielding, Henry Johnes to Fiennes-Clinton, William Roy
- Fiennes-Tiffin, Hero Beauregard to Filgate, William
- Filgate, William to Finch, Mary
- Finch, Mary to Findlater, William
- Findlater, William to Finn, William Francis
- Finnegan, Anne Mary to Finnie, Richard
- Finnie, Richard Boyd to Firth, Richard Noel
- Firth, Robert William Gerald to Fisher, Lynn
- Fisher, Malia to Fitgerald, James Walcot
- Fithian, Myra Townsend Andrews to Fitzalan-Howard, Gerald Bernard
- Fitzalan-Howard, Gladys Clara to Fitzgerald, Annie ffarington
- Fitzgerald, Anstace to FitzGerald, Eleanor
- FitzGerald, Eleanor to FitzGerald, Gerald
- Fitzgerald, Gerald to FitzGerald, John
- FitzGerald, John to FitzGerald, Mary
- FitzGerald, Mary to Fitzgerald, Siobhan Anne Southwell
- Fitzgerald, Sophia to Fitzgibbon, Catherine Nesta
- Fitzgibbon, Cecilia to Fitzgibbon, Sarah
- Fitzgibbon, Sarah to Fitzherbert, Maud Mary Josephine
- Fitzherbert, Michael Cecil to FitzJames-Stuart y Ventimiglia, Luis Fernando
- FitzJames-Stuart, Adelaide to FitzMaurice, Ellena
- FitzMaurice, Emily Charlotte to FitzMaurice, Mary
- FitzMaurice, Mary to FitzPatrick, Elizabeth
- Fitzpatrick, Elizabeth to FitzRoy, Emily Louisa
- Fitzroy, Emily Sarah Lucy to FitzRoy, Yvonne Alice Gertrude
- Fitzroy-Scudamore, Charles to FitzWilliam, William, Viscount Milton
- Fitzwilliams, Caroline L. to Fleetwood, William
- Fleetwood-Hesketh, Anne Dorothea to Fleming, Jean
- Fleming, Jean to Fletcher, Alice Catherine
- Fletcher, Alisha Maree to Fletcher, Philip Francis
- Fletcher, Phillida to Flint, William Raffles
- Flinter, Elinor to Flower, Zoë Mary
- Flowerdue, Anne to Fogwill, Robert Michael
- Foit, Mary Lou to Foliot, unknown
- Foljambe, Alice to Fontaines, William de
- Fontana Pradosa, Marchese di (Alberto Carlo) to Forbes Adam, Vivien Elizabeth
- Forbes of Pitsligo, 1st Lord (Alexander) to Forbes, Jacynthe Elizabeth Mary
- Forbes, James to Forbes, William, 7th Lord Forbes
- Forbes-Drummond, 1st Baronet, of Hawthornden, Midlothian (John) to Ford, John Francis
- Ford, John Gorman to Forde, Harriet Anne
- Forde, Helene to Forestier-Walker, Roland Stuart
- Forfar, 1st Earl of (Archibald) to Forset, Francis
- Forshaw, Frank White to Forte, Olga
- Forteath, Frederick William Hughes to Fortescue, Margaret Anne
- Fortescue, Margaret Helen to Foster, Anthony
- Foster, Anthony to Foster, Richard
- Foster, Richard to Foulkes of Cumnock, Baron, of Cumnock in East Ayrshire (George)
- Foulkes, Angell to Fowler, John Robert Henry
- Fowler, John Sharman to Fox, Claire
- Fox, Clementina to Fox, James
- Fox, James to Fox, Robert Were
- Fox, Robin to Fox-Strangways, Rona Heathcote
- Fox-Strangways, Rosamond Cleere to Frampton, George
- Frampton, Grace to France, Philippe de
- France, Philippe de to Franckenstein, Marie Walburga Baronin von und zu
- Franckenstein, Marie-Gabrielle Baronin von und zu to Frankland, William Thomas Assheton
- Frankland-Russell, Louisa Ann to Franks, Matthew
- Franks, Matthew d to Fraser, Anne
- Fraser, Anne to Fraser, Joy Marjory
- Fraser, Judy Rosemary to Fraser-Mackenzie, Verona
- Fraser-Tytler, Ann to Freeman, John Edward Broke
- Freeman, John Glover to Fremantle, Christopher Evelyn
- Fremantle, Christopher Nicholas to French, Cecilia
- French, Cecilia to French, John
- French, John to French, Shirley Ann
- French, Sibilla to Frend, Zara Elizabeth
- Frendraught, 1st Viscount (James) to Friberg, Marshall Axel
- Fricero, Alexander to Frogley, James
- Frohawk, Frederick William to Fry, Robert Henry Roe
- Fry, Robert Roe to Fullagar, Frank
- Fullan, Robert V to Fullerton-Carnegie, Mary Strachen
- Fullerton-Elphinestone, Constance Lothian to Furness, W. Stanley
- Furneux, Amy to Fynes-Clinton, Ellen Graeme
- Fynes-Clinton, Emma to Fürstenberg, Maria zu
- Fürstenberg, Maria-Elisabeth Baronin von to Gabbett, Lucy Caroline
- Gabbett, Lucy Georgina to Gaffney, Wendy Ann
- Gaffrey, Eliza to Gage, Lavinia
- Gage, Leila Georgina to Gaines, Vivian Marie
- Gainesford, John to Gale, Rupert Arthur Leake
- Gale, Sylvia Ida to Gallacher, John, Baron Gallacher
- Gallagaer, Daniel Patrick to Gallwey, Evelyn Mary
- Gallwey, Frances to Galwey, Edmond
- Galwey, Edmond to Galwey, Richard
- Galwey, Richard to Ganay, Valentine Victoire Marie de
- Gand, Andrea de to Gardiner, Emily Caroline
- Gardiner, Emily Hester Mary to Gardner, W. W.
- Gardner, Walter to Garnett, Rebecca
- Garnett, Robert Hugh to Garrett, John Palfrey
- Garrett, Jonathan Mark to Garvey, William Henry
- Garvie, Sheila to Gaskell, Thomas
- Gaskell-Brown, Donald to Gatty, Stephen Herbert
- Gatzke, Edith to Gaywood, Hugh Dowling
- Gaze, Alexandra Jane Christian to Geidt, M. B.
- Geiger, Constantina Adelheid Theresa to Genet, Yumi
- Geneva, Eleanor of to Gerahty, Laura
- Geraint, Baron, of Ponterwyd in the County of Dyfed (Geraint Wyn) to Gerrott, unknown
- Gerry, Annabel Elizabeth to Gibbes, Wyndham
- Gibbin, Ann Elizabeth to Gibbs, Clare
- Gibbs, Clemency Columba Alice to Gibbs, Mary
- Gibbs, Mary to Gibson, Elizabeth
- Gibson, Elizabeth to Gibson-Watt, Sián Diana
- Gibson-Wright, Alexander to Giffard, Thomas
- Giffard, Thomas to Gilbert, R. M.
- Gilbert, Ralph to Gilbey, Walter
- Gilbey, Walter Anthony to Gill, Hubert A.
- Gill, J. to Gilliat, Violet
- Gillibrand, Agnes to Gilmour, Susan Janet
- Gilmour, T. C. to Giroult des Brosses, Xavier
- Girwood, Mary Anne to Gladstone, Robert Hamilton
- Gladstone, Robert Nicolas to Glascott, William
- Glaser, Alfred to Glen-Coats, Winifred Lettice
- Glenalmond, Viscount (John) to Glinski, Helen
- Gloag, Isla to Gluck, William Charles
- Glucksman, Audrey to Goad, Valerie
- Goaec, Annik le to Godfrey, William, 1st Bt.
- Godfrey-Faussett, Bryan Godfrey to Godsell, Mary
- Godson, Antony Graham to Gogela, Niklas Franz Karl Christoph Maria
- Goggin, Christina to Goldsmid Montefiore, Thérèse Alice
- Goldsmid, 1st Baronet (Isaac Lyon) to Gommonde, William Henry
- Gompertz, A. V. to Gooch, William, 1st Bt.
- Good, Charlotte to Goodman, John David Whitlock
- Goodman, Joseph to Goold-Adams, Zoë
- Goolden, Adrian French to Gordon, Alice
- Gordon, Alicia to Gordon, Edith Blanche
- Gordon, Edith Sheila Maye to Gordon, Henrietta
- Gordon, Henrietta to Gordon, John, Lord Strathnaver
- Gordon, John, Lord Strathnaver to Gordon, Reginald Hugh Lyall, 19th of Abergeldie
- Gordon, Richard Goodall to Gordon-Cumming, Lucille Clare
- Gordon-Cumming, Marie Georgina to Gore, Arthur Paul John James Charles, 7th Earl of Arran of the Arran Islands
- Gore, Arthur Ribton to Gore, Judith Anne
- Gore, Julia to Gore-Booth, Robert, 4th Bt.
- Gore-Booth, Rosaleen Rachel to Gorle, John Tayler
- Gorman, Christine Catherine to Gosling, Louisa Katherine
- Gosling, Lucia Mary to Gotto, Sybil Katherine
- Gottorp, Frederik I, King of Denmark to Goulburn, unknown
- Gould of Brookwood, Baron, of Brookwood in the County of Surrey (Philip) to Gould, Zachary
- Gould-Ford, Joy to Gower, Violet Florence
- Gower-Stewart, Lewis to Gracie, unknown
- Grade, Anita Penny to Graham, Dorothy Anne
- Graham, Dorothy Frances to Graham, Maria
- Graham, Maria to Graham-Toler, Violet
- Graham-Toler, William Brabazon Lindsay, 4th Earl of Norbury to Grand, Madeleine Lola Margaret
- Grand-Villain, Marie Madeleine de to Grant, Chaffee
- Grant, Chapman to Grant, James of Grant, 6th Bt.
- Grant, James of Grant, 8th Bt. to Grant, Phyllis Della
- Grant, Priscilla to Granville of Kilkhampton and Bideford, 3rd Baron (William Henry)
- Granville of Lansdown, 1st Viscount (John) to Graves, Charlotte Ann
- Graves, Clarence Edward, 4th Lord Graves, Baron of Gravesend to Gray, Alice Elizabeth
- Gray, Alice Maude to Gray, John Leighton
- Gray, John Magnus to Gray, William, Master of Gray
- Gray-Buchanan, Cecilia Mary to Greaves, Thomas
- Greaves, Wayne to Green, John
- Green, John Everard to Greenall, Peter
- Greenall, Peter Gilbert, 4th Baron Daresbury to Greenhalgh, Thomas
- Greenham, Anthony Ian St. Aubyn to Greenwood, Lucy
- Greenwood, Mabel to Gregory, Susan Pearson
- Gregory, Thomas to Grenfell, Sybil Mary
- Grenfell, Sybil Vera to Greville, Denise Dorothy Marie Emilie
- Greville, Doddington to Grey, Anne
- Grey, Anne to Grey, Emma de
- Grey, Ernest to Grey, Lilian Grey Ison
- Grey, Lilian Winifred to Grey, Thomas, 6th Baron Walsingham
- Grey, Thomas, Lord Grey to Grierson, Helen
- Grierson, Helen to Grierson, William, 9th of Lag
- Griersone, Alexander to Griffin, Zenta Esther
- Griffin-Beale, Bernard George to Griffiths, Justin
- Griffiths, Kathleen to Grimshaw, William Howard Murphy
- Grimshawe, Anne Genevieve to Groenesteyn, Baroness of (Ingmarie)
- Groening, Albert to Grosvenor, Joan
- Grosvenor, Julian Francis Martin to Grove, Ion
- Grove, Ion to Grundy, William Brandon
- Grunwald, Enid to Gudenus, Sophie von
- Gudenus, Theresia Reichsfreiin von to Guest, Margaret Elizabeth
- Guest, Margaret Hetherington to Guinand, Vera Maria
- Guinane, Craig Rowland to Guinness, Harriet F.
- Guinness, Harriette to Guinness, Tania Caroline
- Guinness, Tanis Eva Bulkeley to Gumbleton, Sarah
- Gumley, Anna Maria to Gunning, William Alexander
- Gunning-Sutton, Mary Diana to Gurney, Oliver Samuel
- Gurney, Olivia Kate to Gutmann, William
- Gutmannsthal-Benvenuti, Emma von to Gwynedd, King of (Trahaearn)
- Gwynn, John to Habsburg, Chiara Gräfin von
- Habsburg, Christine von to Habsburg-Lorraine, Gisela Louise Marie
- Habsburg-Lorraine, Géza Ladislaus to Habsburg-Lothringen, Maria-Christine Regina Stephanie Immaculata Carolina Monika Agidia von
- Habsburg-Lothringen, Marie Antoinette Christine Josefa Rosa Margarethe Pia Angela Theresia Gabriele Isabella Ludnilla Zita Ruperta von to Haddo, Lord (William)
- Haddo, Methlick, Tarves and Kellie, 10th Lord (David George Ian Alexander) to Haeri, Victoria
- Haersolte, Henrietta van to Haig, George
- Haig, George to Hainaut, Yolande de
- Haine, Di to Haldane, James Lindsay
- Haldane, James Martin, 26th of Gleneagles to Hale, Rose
- Hale, Ruth Sinclair to Halkerston, Janet
- Halkerstoun, George to Hall, George
- Hall, George to Hall, Robert Constable
- Hall, Robert Constable to Halliday, Virginia
- Halliday, Walter John to Halyburton, William of Dirletoun
- Halys, Alice to Hameed, Khalid, Baron Hameed
- Hamel de Manin, Alice Katherine Lawless to Hamilton, Alexander Chetwood
- Hamilton, Alexander Edmund to Hamilton, Cecil Fyffe Pryce
- Hamilton, Cecilia Black to Hamilton, Elyston William
- Hamilton, Emeline Caroline to Hamilton, Honoria Eliza Sylvia Vera
- Hamilton, Hubert Charles to Hamilton, John
- Hamilton, John to Hamilton, Maria
- Hamilton, Maria to Hamilton, Simon John
- Hamilton, Sophia to Hamilton-Faulkner, Janet Merle
- Hamilton-Fletcher, George Mervyn Anstey to Hamlyn, James, of Edwinsford and Clovelly
- Hamlyn, Joan to Hammond, William
- Hammond-Davies, Ann Elizabeth Bruce to Hampton, Colin
- Hampton, Colin Cecil to Hampton, Janeen
- Hampton, Janet Christine to Hampton, Miles Jeffrey
- Hampton, Molly to Hampton, William
- Hampton, William to Hanbury, Marieluz
- Hanbury, Marina Jane to Hand, William Patrick Lenard
- Hand-Oxborrow, Veronica Ann to Handley, Wilson Paul
- Hando, Frederick James to Hankinson, William
- Hanks, Abraham to Hannelly, William Joseph
- Hannen, Baron, of Burdock in the County of Sussex (James) to Hanse, Solange Yvonne Palmyre Ghislaine
- Hansen, Adrienne Mary to Harbord, Walter
- Harbord, William to Harcourt-Vernon, Walter Granville
- Harcus, Andrew Drummond to Harding, Sarah
- Harding, Sarah Constance Hope to Hardwicke, Susan
- Hardwill, Frances Alice to Hare, Emily Catherine
- Hare, Ernest Bathurst to Harford, Florence Helen Isabella
- Harford, Frances to Harington, Sapcote
- Harington, Sarah to Harman, Henry
- Harman, Henry to Harmsworth, Laura Jessamine
- Harmsworth, Leicester to Harper, Katherine
- Harper, Kathleen Mary to Harrington, George Woods
- Harrington, Henry to Harris, Isabella Helena
- Harris, Isabelle Margaret to Harris, Zara
- Harris-Burland, James William to Harrison, Henry Douglas
- Harrison, Henry Frederick to Harrison, Scott
- Harrison, Sheila Mary to Hart Dyke, Eileen Joyce
- Hart Dyke, Eleanor Laura to Hart, John Frederick
- Hart, John Leonard to Hartig, Ferdinand Ludwig Richard Edmund Antonius
- Hartig, Ferdinand-Carl Graf von to Hartley, Thomas
- Hartley, Thomas to Harvey, Christopher
- Harvey, Christopher to Harvey, William Geoffrey
- Harvey, William Mortimer to Haslam, William John Heywood
- Haslegrove, Margery to Hastings, Charles
- Hastings, Charles to Hastings, Lucinda Ileene
- Hastings, Lucy to Haszard, William Richard Levett
- Hatch of Lusby, Baron, of Oldfield in the County of West Yorkshire (John Charles) to Hatvany, Peter Galbraith Mark
- Hatzfeld-Wildenburg, Marie Wilhelmine Gräfin von to Haviland, Wilfred Pollen
- Havill, Ann Wood to Hawkes, William
- Hawkesbury, Viscount (Luke) to Hawkshaw, William
- Hawksley, Elizabeth Ann to Hay, Alexandra Cecilia Mary
- Hay, Alice to Hay, Helen Selina
- Hay, Helena Eleanora Augusta to Hay, Norma Caroline Georgina
- Hay, P. to Hay-Drummond, Violet Vane
- Hay-Drummond-Hay, Anna Bethell to Hayes, John Edwin
- Hayes, John Macnamara, 1st Bt. to Haynau, Willie Pauer von
- Haynault, Marguerite to Haywood, Zehra Ipek
- Haywood-Farmer, Cathie to Headfort, Viscountess (Jane)
- Headlam, Charles to Hearsay, Catherine
- Hearsey, Hannah to Heathcote, John Cuthbert
- Heathcote, John, 2nd Bt. to Heaton-Ellis, Sydney Thomas Edward
- Heaven y Ramirez de Arellano, Maria Guadalupe Zaara Cecilia to Hedgeman, unknown
- Hedges, (?) to Heigham, Thomas
- Heighton, Alexander Charles Luke to Hellings, Zoya
- Helliwell, Edward to Hely Hutchinson, Walter James
- Hely, Charlotte Henrietta to Henderson, Ambrose Kennedy
- Henderson, Amelia to Henderson, Katie Sarah
- Henderson, Kelly Letitia to Hendron, Vincent Ambrose
- Hendry, Alexander to Henley, John Souter
- Henley, Jonathan Paul Sebastian to Henning, Phyllis Eleanor
- Hennings, Adelaide Mara to Hepburn, Elizabeth
- Hepburn, Ellen to Herbert, Beatrice Mary
- Herbert, Beatrix Frances Gertrude to Herbert, Mary
- Herbert, Mary to Hering, Julines
- Herington, Mary to Heron, William, 1st Lord Heron
- Heron-Maxwell, 4th Baronet (John Shaw) to Hersent, Marie Osmonde Consuelo
- Hersey, Angela Faye to Hervey, Louisa Maude
- Hervey, Louisa Theodosia to Hesketh, Robert
- Hesketh, Robert to Hessen-Darmstadt, Wilhelmine von
- Hessen-Eschewege, Charlotte von to Hessen-Kassel, Sophie Wilhelmine Auguste Elisabeth Prinzessin von
- Hessen-Kassel, Ulrike Friederike Wilhelmine Prinzessin von to Hettinger, William
- Heubach, Dorothy Clare Carey to Hewett, Yuilleen Maude
- Hewison-Thompson, Foster to Heybourn, unknown
- Heybrook, Rose to Heywood, Jacqueline Anne
- Heywood, James to Hibbert, Julia
- Hibbert, Leicester to Hickman, W. J.
- Hickman, W. T. to Higgins, Mollie
- Higgins, Peter to Hildesheim, Baron of (Frederik)
- Hildesley, Francis to Hill, Eleanor
- Hill, Eliza to Hill, Margaretta
- Hill, Maria to Hill-Lowe, Beatrice Geraldine
- Hill-Norton, Baron, of South Nutfield in the County of Surrey (Peter John) to Hillsborough, Earl of (Edmund Robin Arthur)
- Hillsborough, Viscountess (Margaretta) to Hindley, William Talbot
- Hindlip, 3rd Baron (Charles) to Hird, W. F.
- Hirdlestone, Elizabeth Anne to Hoare, Barbara Lynne
- Hoare, Beatrice Lilian Ethel to Hoare, Nicholas Colt
- Hoare, Nicholas John Newcome to Hobart, Mary
- Hobart, Mary Ann to Hobhouse, Sarah
- Hobhouse, Sarah to Hodges, Hardingham
- Hodges, Harold Leonard to Hodgson, Virginia
- Hodgson, Wilfrid to Hoffman, William Gilmor
- Hoffmann von Rumerstein, Benedikt Ernst Friedrich Karl Josef Thomas to Hogg, William
- Hoggarth, Benjamin to Hohenberg, Prinz
- Hohenberg, Prinz to Hohenlohe, Ymana
- Hohenlohe-Bartenstein, Alice Henriette Alexandra Elisabeth Prinzessin zu to Hohenlohe-Langenburg, Marie Charlotte Anna Franziska Katharina Viktoria Prinzessin zu
- Hohenlohe-Langenburg, Marie Isabella Gabrielle Franziska Ferdinandine Prinzessin zu to Hohenlohe-Waldenburg-Neuenstein, Ulrich von
- Hohenlohe-Waldenburg-Pfedelbach, Ludwig Gottfried Graf zu to Hohenlohe-Öhringen, Prinz
- Hohenlohe-Öhringen, Prinz to Hohenzollern, Elisabeth von
- Hohenzollern, Elisabeth von to Hohenzollern-s'Heerenberg, Johanna Gräfin von
- Hohenzollern-Schalksburg, Friedrich I Graf von to Hohler, Henry Booth
- Hohler, Hilde Angeline to Holden, Leslie
- Holden, Lucia Hermione Sophia to Holland, Ethel Mary
- Holland, Ezekiel to Holles, Margaret
- Hollett, Jean Bowden to Holme, William
- Holme-Summer, Mary to Holmesdale, Viscountess (Julia)
- Holmested, Arthur to Holstein-Gottorp, Peter II, Grand Duke of Oldenburg
- Holstein-Gottorp, Petr Alexandrovich von to Holt, Lawrence Stopford
- Holt, Lawrencina to Homan-Mulock, Thomas
- Homann, Debbie Anne to Home, Patrick of Polwarth
- Home, Patrick of Rathburn to Hood, Anthony Nelson
- Hood, Arthur Wellington Alexander Nelson, 2nd Viscount Bridport of Cricket St. Thomas to Hooper, Samuel Fry
- Hooper, Sarah Annie to Hope, Charles
- Hope, Charles Archibald to Hope, Winifred Gwendolyn Marie
- Hope-Cobbold, Philip William to Hopkins-Northey, William Richard
- Hopkinson, Aimée to Hopson, Wayne Leighton John
- Hopton of Stratton, 1st Baron (Ralph) to Hore, Mary
- Hore, Mary Elizabeth to Hornby, Maria Leyland
- Hornby, Maria Sophia to Hornstein, Marquard Eustach Philipp
- Hornung, Charles Bernard Raphel to Horsley, William Henry
- Horsley-Beresford, Aina to Hoskins, Walter John
- Hoskyn, Honor to Hoskyns, Zara Stephanie Jardine
- Hoskyns-Abrahall, Adam James to Hotblack, Norah
- Hotchkiss, Anne Christine to Houldsworth, Rosemary Margaret
- Houldsworth, Simon Richard Henry to Houston, Patrick of Houston, 1st Bt.
- Houston, Patrick of that Ilk to Howard of Effingham, Lord (Edward Mowbray Nicholas)
- Howard of Escrick, 1st Baron (Edward) to Howard, Charlotte Fell
- Howard, Charlotte Frances to Howard, Georgina Roberts
- Howard, Gerald Richard to Howard, Louisa
- Howard, Louisa to Howard, Robert Mowbray
- Howard, Robert Wilmot to Howarth, Valerie Georgina, Baroness Howarth of Breckland
- Howbert, Ann Noel to Howell, Mary Beatrice
- Howell, Meredith Bengoch ap to Howland, Susan
- Howlett, Arthur Godfrey to Hoysted, Susan
- Hoyt, Colgate to Huber, Virginia Sarah
- Hubert, E. M. Kenney to Hudson, Noreen
- Hudson, Peter to Hughes, Christian Alison
- Hughes, Christian Caroline to Hughes, Rosemary Hilda
- Hughes, Rosemary Susan Lois to Hull, William Richard
- Hullett, J. to Hume, John, 2nd Bt.
- Hume, Jonet to Humphreys-Owen, Arthur Charles
- Humphries, Alice Mary to Hungerford, Elizabeth
- Hungerford, Elizabeth to Hungerford, Margaret Jane Farleigh
- Hungerford, Margaret Mackenzie to Hungerford, William Augustus
- Hungerford, William Moore to Hunt, Nancy Pauline
- Hunt, Nicola Mary Isobel to Hunter, Jean Isobel
- Hunter, Jean Margaret to Huntingtower, Lord (William)
- Huntley, Andrew to Hurrell, William
- Hurren, James Robert to Hussey, Mary Christina
- Hussey, Mary Mabel to Hutchinson, Massey
- Hutchinson, Maxine to Hutton, Zsuzsanna
- Hutton-Attenborough, Edwin Augustus to Hyde, Nathan
- Hyde, Nest to Ibbetson, unknown
- Ibbotson, Alfred to Illingworth, William
- Illman, Joyce to Ingenheim, Wolf-Harald Graf von
- Ingenheim-Molitor, Marianne von to Ingoldsby, William, Bt.
- Ingoldsthorpe, Edmund to Innes, George William Holt
- Innes, Gilbert of Stow to Insula, William de
- Invalen, Erika to Irby, Giles
- Irby, Ginger Kay Patricia Wanda May to Ireland, Robyn
- Ireland, Ruiadrí of to Irvine, Margaret
- Irvine, Margaret Letitia to Irwin, Thomas
- Irwin, Thomas to Isitt, Lilian Lord
- Iskander, Aleksandr Nikolaievich, Prince Romanovsky-Iskander to Ives, Violet Maud Cecil
- Ivic, Ursula to Jackson, Elisabeth Rowlanda
- Jackson, Eliza to Jackson, Mary Lillian Vera Massy
- Jackson, Mary Margaret Cotton to Jacobs, Henry
- Jacobs, Henry to Jagellon, Zofia, Królewna Polska
- Jager, Diana Beatrice to James, Emita Emelia
- James, Emma Charlotte to James, William Richard
- James, William T. to Jantzen, Reta
- January, Derick Algernon to Jarred, Sarah
- Jarrell, Carolyn June to Jecel, Zeno
- Jeckles, Maud to Jeffreys, Susannah Elizabeth
- Jeffreys, unknown to Jenkins, Elizabeth Lloyd
- Jenkins, Elizabeth Susan to Jenne, Mark
- Jennens, Ann to Jephson, William
- Jephson, William to Jerusalem, Sybil of
- Jervis, Alice Maude to Jessop, William
- Jessup, Alfred Dupont to Jodrell, Veronica Mary
- Joel, Dana Moira Angela to Johnson, Andrew (Frank)
- Johnson, Andrew (Frank) to Johnson, John
- Johnson, John to Johnson, Suzanna
- Johnson, Sybil Boyter to Johnston, Frederick Horace
- Johnston, Frederick William to Johnston, Sara A.
- Johnston, Sarah to Johnstone, Joan Mary Winifred
- Johnstone, Joanna to Joicey, Margaret Smyles
- Joicey, Marguerite de Fontaine Drever to Jones, Arnoldus
- Jones, Arthur to Jones, Emma
- Jones, Emma to Jones, Kathleen
- Jones, Kathleen to Jones, Rhys Thomas Edward
- Jones, Richard to Jones, Xenia
- Jones-Davies, Frances Dorothy to Joukov, Vassili
- Joukova, Zenaide to Juarez, Josephine Eloy
- Juarez, José Enrique to Junor, William James Balfour
- Junot, Caroline Louise Marguerite to Kahana, Ester Gitel
- Kahane, Alexander to Karageorgievich, Tomislav, Prince of Yugoslavia
- Karaisl von Karais, Elisabeth to Kavanagh, Mary
- Kavanagh, Mary Catherine to Keane, John, 5th Bt.
- Keane, Katharine Mary to Keble, William Thomas
- Keble-White, Arthur to Keig-Shevlin, Sarah
- Keigher, Bernard to Keith, Margaret
- Keith, Margaret to Keller, Ruth
- Kellet, Evadne Maude to Kellogg, Sarah
- Kellogg, Sarah to Kelly, Rosanna Mary
- Kelly, Rose to Kemp, Robert, 3rd Bt.
- Kemp, Robin Middleton to Kenmare, Viscountess (Mary)
- Kenmis, Mary to Kennard, Robert Bruce
- Kennard, Robert Jake Henry to Kennedy, Elizabeth
- Kennedy, Elizabeth to Kennedy, Judith Anne Vivian
- Kennedy, Julia to Kennedy, William Archer
- Kennedy, William Henry to Kent, Octa of
- Kent, Oeric of to Keppel, Emily
- Keppel, Evelyn Maud to Ker-Fox, Wesley
- Ker-Lindsay, Adam Ranald to Kerr, Charles, Lord of Cramond
- Kerr, Charlotte to Kerr, Mary Alice
- Kerr, Mary Anne Jane to Kerruish, Timothy
- Kerry and Lixnaw, 10th Baron of (Patrick) to Keswick, William Johnston
- Ketchell, (?) to Keyes, Moses
- Keyes, Nathaniel to Kidd, William Ennis
- Kiddell, Jamie Michael to Kilbourne, Tracey
- Kilbracken, 1st Baron, of Killegar, co. Leitrim (John Arthur) to Killworth, Oscar Henry
- Killyleagh, 1st Baron (Andrew Albert Christian Edward) to Kimsey, Stephen David
- Kinahan, Annie Julia to King, Catherine
- King, Catherine Judith to King, John
- King, John to King, Ryan
- King, Sally to Kingdon, Stephen
- Kingerley, Margaret Anne to Kingscote, Mary
- Kingscote, Mary to Kingston of Mitchelstown, 5th Baron, co. Roscommon (Henry Edwyn)
- Kingston of Rockingham, 10th Baron, co. Roscommon (Robert Henry Ethelbert) to Kington-Blair-Oliphant, William Yaldwyn
- Kington-Millar, Daisy Rana to Kinnoull, Countess of (Sarah)
- Kinrara, 1st Earl of, co. Inverness (Charles Henry) to Kirby, Mary Evelyn
- Kirby, Mary Susanna to Kirkland, William John
- Kirkley, 1st Baron, of Kirkley, co. Northumberland (William Joseph) to Kissel, Margaret
- Kissin, Baron, of Camden in Greater London (Harry) to Kleiner, Richard Aaron
- Kleingeld, Lydia Mary to Klitzing, Wolfgang von
- Klocker, Karin to Knatchbull, Henry Edward
- Knatchbull, Henry Norton to Kneale, Susan
- Kneale, Terry to Knight, Robert Reginald
- Knight, Robert, 1st and last Earl of Catherlough to Knocker, Katherine Margaret Elizabeth Mainwaring
- Knodi, Diana Rosalind to Knowles, William Bissett Whightman
- Knowling, Arthur to Knox, Johannah Humphrey
- Knox, John to Knutsford, Sydney George
- Knutson, Helena Ann to Kollmann, Siegfried
- Kollsman, Julie Dorothea to Korotchenzov, Aleksandr Vassilievich
- Korp, Florian to Kranichberg, Ulrich von
- Krantz, Agneta to Kubálek, Irma
- Kuchko, Boyar to Kwiatkowski, Witold Jan
- Kyan, Angela Miriam to L'Estrange, William
- L'Isle, 1st Viscount (Robert) to Labuda, Zuzanna Alberta
- Lacaita, Charles Carmichael to Ladd, William Conkling
- Lade, Baronet (John) to Laing, Valerie Florence
- Lainson, Adelaide to Lamb, William George
- Lamb, William James to Lambart, Winifred Edith
- Lambe, Emily Mary to Lambert, Leslie Robert
- Lambert, Letitia to Lambton, Cuthbert Archibald
- Lambton, D'Arcy to Lampert, Sally
- Lampi, Ilse to Landale, Susan Gladys
- Landaluce y Melgareja, Sofia to Lane, Charlton
- Lane, Charlton to Lane, Withy
- Lane-Davies, Alfred to Langdon-Down, Stella
- Lange, Andrew to Langrishe, Terence Hume, 6th Bt.
- Langston, Agnes to Lapage, Zara Eleanor
- Lapage-Norris, Henrietta Nell to Lascelles, Caroline Georgiana
- Lascelles, Caroline Maria to Lascelles, Robert Scott
- Lascelles, Rose to Latham, Yvonne
- Lathbury, Sarah to Lauder, John of Fountainhall, 3rd Bt.
- Lauder, John, Bt. to Laurie, Robert, 4th Bt.
- Laurie, Robert, 5th Bt. to Law, Eleanor Cecil
- Law, Eliza to Law, William Victor
- Law-Green, Charles Theodore to Lawrence, Edwin
- Lawrence, Edwin Smith to Lawson, Charlotte
- Lawson, Charlotte Ann to Lawson-Beck, David
- Lawson-Johnston, Arthur Charles St. John, 3rd Baron Luke to Le Despencer, Lord (Francis)
- Le Drew, Christopher to Le Fort, Cicely Margot
- Le Gentil, Michel, Vicomte de Rosmorduc to Lea, Richard Vernon
- Lea, Sibilla de to Leake, Sonia
- Leakey, Arundell to Leavitt, Henry M.
- Leaycraft, Caroline to Ledebur-Wicheln, Vendeline von
- Ledell, Bartholomew to Lee, John Robert
- Lee, John Robert Louis, Baron Lee of Trafford to Leech, William Jeremy
- Leeche, Jane to Leeson, William Edward
- Leeston, Cyril Napier to Legge, Florence
- Legge, Frances to Legh, Elizabeth
- Legh, Elizabeth Dorothea to Leicester, William Henry
- Leicester-Warren, Cuthbert to Leigh, Elizabeth
- Leigh, Elizabeth to Leigh, Mary
- Leigh, Mary to Leigh-Pemberton, William Francis
- Leigh-Perrot, James to Leinster, Murchad of
- Leintemburg, Helene Letterer von to Leke, Robert, 3rd Earl of Scarsdale
- Lekow, Rita von to Lennard, Thomas, 1st and last Earl of Essex
- Lennep, Emile van to Lenox-Conyngham, Joanna Vernon
- Lenox-Conyngham, John Gough to Leonhardt, Keith
- Leoni, Eveline Mary to Leslie, Alexander, 7th Earl of Ross
- Leslie, Alexander, Lord Balgonie to Leslie, Margaret
- Leslie, Margaret to Lesonquer, Pascal
- Lespinasse, François to Leuchtenberg, Ulrich I Landgraf von
- Leuchtenburg, Aleksandra von to Leveson, Wilfred Cecil
- Leveson-Gower, Adelaide Violet Cicely to Levey, Zaccaria
- Levi, Deirdre to Lewes, Thomas
- Lewies, Hilda May to Lewis, John
- Lewis, John to Lewkenor, unknown
- Lewknor, Alianora to Liardet, Sophie
- Libbey, Edward H. to Liddell, Matthew
- Liddell, Maude to Liechtenstein, Georg Hartmann Prinz von und zu
- Liechtenstein, Georg Hartmann von und zu to Liedekerke de Pailhe, René Rasse Antoine Marie Ghislain de
- Liedekerke, Bertrand de to Lilienstein, Ida Carolina Johanna Gräfin von
- Lilja, Ann Maria to Limoges, Susanne
- Limon, Nili to Lindley, William
- Lindley-Travis, Loraine to Lindsay, Constance Lilian
- Lindsay, Constance Madeline to Lindsay, Jane Louisa Octavia
- Lindsay, Jane Margaret to Lindsay, Patrick
- Lindsay, Patrick to Lindsey, unknown
- Lindsley, (Alice) Elspeth Middleton to Linzee, Robin Alexander Craig
- Linzgau, Conrad Graf von to Lippens, Marie Antoinette de
- Lippert, Alice to Lister, John
- Lister, John to Litteldale, William F.
- Little, Alexa Campbell to Litton, Marion Honour Josephine
- Livanos, Athina Mary to Llewellin, William Wigan
- Llewellin-Taylour, Alfred Robert to Lloyd, Catherine
- Lloyd, Catherine to Lloyd, John
- Lloyd, John to Lloyd, Wayne Alexander
- Lloyd, Wilford Neville to Lobkowicz, Ida Maria von
- Lobkowicz, Jan Philippe Prinz von to Lock, Julia
- Lock, Laura Zsófia to Lockhart, William, 1st Bt.
- Lockhart-Barker, Charles William to Loder-Symonds, Sacha
- Lodge, A. B. to Loftus of Ely, Viscountess (Jane)
- Loftus of Loftus Hall, 1st Baron, co. Wexford (Charles) to Logan, William
- Logan-Home, Ferdinand Cospatrick to Lonegren, Marta Catharina
- Lonergan, Caroline Emma to Long, Emily
- Long, Emily Foster to Long, Mary
- Long, Mary Anabella to Long-Howell, James
- Long-Price, Cherry Rosalind to Longman, Thomas
- Longmire, Ann to Lopes, Susan Ludlow Cordelia
- Lopez Amador, Fernando to Lorimar, Russell
- Lorimer, Annie Beatrice to Lorraine, Thierry de
- Lorraine, Thierry de to Lotzbeck, Vibeke Baronin von
- Loubser, John Henry Gauntlett to Love, William J.
- Loveband, Hugh Buckingham to Lovrek, Peter
- Low of Dalston, Baron, of Dalston in the London Borough of Hackney (Colin Mackenzie) to Lowe, Peter Stanley
- Lowe, Rachel to Lowry-Corry, Montagu William, 1st and last Baron Rowton
- Lowry-Corry, Muriel to Lowther, Margaret
- Lowther, Margaret Elizabeth to Luard, Sophia Mary
- Luart, Jeanne du to Lubbock, Susan Carol
- Lubbock, Sybil to Lucas, Elizabeth
- Lucas, Elizabeth to Lucas-Scudamore, Oriel Leonie
- Lucas-Tooth, (?) to Lucy, Claire Alexandra
- Lucy, Claud Arthur to Lugard, Matty
- Lugo, Elena Maria Isabela Dominica de Silas de to Lumsden, David, 9th of Cushnie
- Lumsden, Dorothy Sheridan to Lundy, Winifred Bernice Mary
- Lunell, Elizabeth Anne to Lushington, Mary Catherine
- Lushington, Mary Elizabeth to Lutwidge, unknown
- Lutwyche, Gerald Leslie Mace to Lyell, Vivien Diana
- Lyfield, Frances to Lynch, Harriet
- Lynch, Harriet to Lyon, Elizabeth
- Lyon, Elizabeth to Lyon-Campbell, Esmé
- Lyon-Dalberg-Acton, Anne to Lysaght, William Royse
- Lysberg, Mussee to Lyttelton, Mary Susan Caroline
- Lyttelton, Mary Viola to Löwenstein-Wertheim-Freudenberg, Wolfram Michael Nickolaus Friedrich Jacob Prinz zu
- Löwenstein-Wertheim-Rochefort, Aloyse Joseph Camill Prinz zu to Maasburg, Veronika von
- Maasdijk, Johanna van to Macartney, lda Helen
- Macartney, Lucy Matilda to MacCartie, Teig Mac-Cormac oge
- Maccarty, 'The Maccarty More' to Macdonald, Amie
- MacDonald, Amie to Macdonald, Janey Rosemary
- Macdonald, Jean to Macdonell, Thomas
- MacDonnel, Alice to MacEwen, Roma
- Macey, Albert Edward to MacGregor, Caroline Mary Stuart
- MacGregor, Catriona Gabrielle to Mack, Zoë Catherina
- Mackaby, Mary to MacKean, William Patrick
- MacKechnie, Alexandra to Mackenzie, George Leveson Boucherat
- Mackenzie, George of Allangrange to Mackenzie, Roderick of Findon
- Mackenzie, Roderick, Lord Prestonhall to Mackintosh, Elizabeth
- Mackintosh, Elizabeth to MacLaren, unknown
- MacLaughlin, Alexander John Maunsell to Maclellan, William of Mullok
- MacLennan of Rogart, Baron, of Rogart in Sutherland (Robert Adam Ross) to Maclntyre, Kathleen Muriel
- Macloughlin, D. to Macmorran, Ninian
- MacMorrough, Aoife to Maconochie-Welwood, Mary Elizabeth
- Macoun, Anita Wilhelmina to Macqueen, William
- Macquire, Elizabeth to Madden, Wyndham Carlyon
- Maddick, Carole Ruth to Magan, Hubert
- Magan, Hugh Henry to Magnay, Winifred Madeline
- Magnelli, Bia Diamilla to Mahon, Jane
- Mahon, Jane to Mailáth de Székhely, Sarolta Gräfin
- Main, (Helen) Barbara to Mair, William Henry
- Mair-Rumley, Kitty Pascoe Mary Mair to Maitland, Helen
- Maitland, Helen Olga to Maitland-Heriot, Mary Gertrude
- Maitland-Heriot, Mary Victoria to Makgill, Ian James
- Makgill, Iona Amie to Makower, William
- Makowska, Eva to Maldonado y Chavarri, Maria Luisa
- Maldonado y de Borbón, Claudia to Malloch-Brown, Baron (George Malloch)
- Mallock, Elizabeth to Maltzahn, Rudolf Freiherr von
- Maltzan, Alexandra Beatrix Baronin von to Manders, Vaughan Edward
- Manderscheid-Blankenheim, Augusta Leopoldine Gräfin von to Mann, William John
- Manner zu Mätzelsdorff, Ernst Christian Ritter von to Manners-Sutton, William
- Mannes, Martha to Mansel, Dorothy
- Mansel, Edmund Clavell to Mansel-Pleydell, Vivien
- Mansell of Margam, 1st Baron (Thomas) to Manuel, Ventta Elizabeth Emily
- Manvers, 1st Earl (Charles) to March Phillipps de Lisle, Everard John Robert
- March Phillipps de Lisle, Frances Amelia Victoria to Marcieu, Gabrielle Emé de
- Marcilly, Seigneur de (Armand) to Margesson, William
- Margetson, Alice to Markes, Veronica Margaret
- Markeson, Juliana Diana to Marlborough, Duchess of (Susan)
- Marle, Emma to Marr, William Smith
- Marr-Johnson, Diana Julia to Marsh, Georgiana Eliza Lucy
- Marsh, Godfrey Sutcliffe to Marshall, Horace Brooks
- Marshall, Horace Brooks, 1st and last Baron Marshall of Chipstead to Marsham, Margaret Harriet
- Marsham, Margaret Mary to Martin, Bertram John
- Martin, Betty to Martin, John
- Martin, John to Martin, William Alexander
- Martin, William Bennet to Martyn, Violet
- Marulanda Herrán, Adriana to Mason, Dorothy Margaret
- Mason, Edith to Massey, John
- Massey, John Joseph to Massy, Annette Jane
- Massy, Annie Augusta Merewether to Massy, Glenville
- Massy, Glenville to Massy, Mary
- Massy, Mary to Master, Martha
- Master, Mary to Matheson, Kenneth James of Lochalsh, 2nd Bt.
- Matheson, Kenneth Murray to Matterson, unknown
- Mattheis, Rafaela de to Matuscha, Veronika von
- Matuschka, Alexander Ernst Graf von to Maude, Matilda
- Maude, Matilda Elizabeth to Maulevrier, Comtesse de (Françoise)
- Mauley of Canford, 1st Baron de, co. Dorset (William Francis Spencer) to Maurier, Sylvia du
- Maurissen, Ernest to Maxwell, Alexa
- Maxwell, Alexander to Maxwell, Margaret
- Maxwell, Margaret to May, Prudence
- May, R. K. to Maynard, William, 2nd Baron Maynard
- Mayne, Agnes Blair to McAdam, Samson Roscoe
- McAdams, Barbara Lou to McCall, William Kenneth
- McCallan, Francis Belle to McCarthy, Mary
- McCarthy, Mary to McClintock, Elizabeth Melesina
- McClintock, Elsmere to McConnell, Jackson Desmond
- McConnell, Jacob Kirk to McCorquodale, Janet
- McCorquodale, Jean to McCoy, unknown
- McCoy, unknown to McCullough, Samuel Thomas
- McCune, Nancy R. to McDonnell, Mark
- McDonnell, Mark Henry Horace to McDouall, Maurice Willoughby
- McDouall, May to McElligott, Margaret
- McElroy, Mary to McGee, William P.
- McGeehan, Joy Miriam to McGreal, Winifred
- McGregor of Durris, Baron, of Hampstead in Greater London (Oliver Ross) to McIsaac, James
- McIver, 1st Baronet (Lewis) to McKellar, Roslyn Annette
- McKelvey, Helen Anne to McKinney, Sylvia Diane
- McKinnon, Arthur Alexander to McLaughlin, Robert Bruce
- McLaughlin, Robert John to McLoughlin, Ursula Mary Ferdinande
- McLuskie, Ann to McMonnies, Ann Davida Helen
- McMorran, Donald Hugh to McNeile, Tom
- McNeill, Agnes Duncan to McQuie, Wendy Ann
- McQuilken, Kathleen Mary to Meade, Guy Warren
- Meade, Harry Michael to Meals, John
- Means, Juliet Evelyn Mary to Mecklenburg-Schwerin, Herzog von (Karl Leopold)
- Mecklenburg-Schwerin, Herzog von (Ludwig) to Medina, Sarah
- Medina-Sidonia, Alonzo Perez de to Meeking, Viola Emily Mildred
- Meekings, Robert to Meintjes, Stephen Peter
- Meinzer, (?) to Melland, Nora
- Mellard, Joseph to Melun, Vicomte de (Josselin)
- Melvill, Ann to Mendez de Vigo y Monasterio, Victoria
- Mendez de Vigo y Perez-Seoana, Francisco Javier to Menzies, Elizabeth
- Menzies, Elizabeth Laverty to Meran, Marie Johanna von
- Meran, Marie Therese Franziska Ausgustina Gräfin von to Meredith, William
- Meredith, William Colles to Merrell, Sophie
- Merrett, Ellen to Mervyn, William Audley
- Mervyn-Smith, Angela Jill to Metcalfe, William
- Metge, Anne to Mews, Sarah Mary
- Mewtas, Hercules to Meyrick, Thomas
- Meyrick, Thomas Charlton, 1st Bt. to Middegaal, Joanna Maria van de
- Middelkoop, Adam Jason to Middleton, Robert
- Middleton, Robert to Milbank, William Harry Vane
- Milbanke, 10th Baronet (John Peniston) to Miles, J. W.
- Miles, Jacob Christopher to Millar, Katherine Ann
- Millar, Kendall to Miller, Emily Rose
- Miller, Eric to Miller, Michael
- Miller, Mike to Milligan, William
- Millikin-Napier, Aymée Elizabeth Georgiana to Mills, Sarah Marguerite
- Mills, Sarah Markee to Milnes, Mary Anne
- Milnes, Mary Bridget to Minchin, Beth Maree
- Minchin, Bethwyn Elaine to Minchin, Elizabeth Lucia
- Minchin, Elizabeth Margaret to Minchin, Jane
- Minchin, Jane to Minchin, Margaret
- Minchin, Margaret to Minchin, Robbie Stephen
- Minchin, Robert Humphrey Charles to Minchin, Zara
- Mindleheim, John of to Mitchell, Charles Hamilton
- Mitchell, Charlotte to Mitchell, Sheila McLeod
- Mitchell, Shirley Frances to Mocenni, Maria Ginerva Ginanni
- Mochvie, Jenny to Mohun-Harris, Walpole
- Mohwald, Eleonore to Moleyns, William Townsend de
- Molfetta, Lord of (Luke) to Molyneux, Catherine
- Molyneux, Cecil Emily to Monck, Emily
- Monck, Eva Maria Vreto to Moncreiff, Mary Lillias
- Moncreiffe, 11th Baronet (Rupert Iain Kay) to Money, Noel Benedict Kyrle
- Money, Noel Ernest to Monro, William
- Monroe, Andrew to Montagu Douglas Scott, Elizabeth Diana
- Montagu Douglas Scott, Elizabeth Emily to Montagu, James
- Montagu, James to Montague, Frederick Norman, 2nd Baron Amwell
- Montague, Frederick, 1st Baron Amwell to Monteir, Margaret
- Monteith, 4th Countess of (Isabel) to Montfort, Eleanor
- Montfort, Eleanor to Montfort, Yolande de
- Montgelas, Agnes Gräfin von to Montgomerie, Katherine
- Montgomerie, Katherine to Montgomery, Catherine
- Montgomery, Catherine to Montgomery, Richard
- Montgomery, Robert to Montmorency, Grace Kathleen
- Montmorency, Grace Kathleen de to Moody, William
- Mook, Andre to Moore, Aubrey
- Moore, Aubrey Edward Duncombe to Moore, Elizabeth Anne
- Moore, Elizabeth Constance to Moore, Jane
- Moore, Jane Eliza to Moore, Mary Frances
- Moore, Mary Letitia to Moore, unknown wife
- Moore, Ursula to Morant, William Samuel
- Moranti, Giovanna to More, William
- More-Nisbett, John Graham to Morgan, Charlotte Anne
- Morgan, Charlotte Sarah to Morgan, Thomas
- Morgan, Thomas to Morland, William Courtenay
- Morley of Blackburn, 1st Viscount, co. Lancaster (John) to Morpeth, Viscount (Robert)
- Morphie, Feudal Baron of (Walter) to Morris, Barbara
- Morris, Baron, of Spiddal in County Galway (Michael) to Morris, Meshach Charles
- Morris, Michael to Morrison, Ewart Gladstone
- Morrison, F. to Morrogh Bernard, Juan Francisco
- Morrogh Bernard, Juan Francisco Cirilo to Mortimer, Edmund, 1st Lord Mortimer
- Mortimer, Edmund, 3rd Earl of March to Mos, Pauline de
- Mosander, Charles Gustavus to Moss, Keith
- Moss, Linda to Mostyn, Margaret Elizabeth
- Mostyn, Margaret Emma to Mottram, Wendy
- Motz, Elise Christine to Mount, William Robert Horatio
- Mount-Earl, 1st Viscount (Valentine Richard) to Mountstuart, Cumra and Inchmarnock, 9th Lord (John)
- Mountz, Charlotte to Moyne, Thomas
- Moynihan, 1st Baron (Berkeley George Andrew) to Muir, unknown
- Muir, Wemyss to Muller, Maria Immaculata
- Muller, Maria Theresa Elizabeth to Muncaster, Baroness (Penelope)
- Muncey, Adam to Munro, Diana Mary
- Munro, Donald to Munro-Ferguson, Ronald Crauford, 1st and last Viscount Novar
- Munro-Johnstone, Isabella Margaret to Mure, William
- Mure, William to Murphy, Jeremiah
- Murphy, Jeremiah to Murphy, William
- Murphy, William to Murray, Arthur Frank
- Murray, Arthur Hugh to Murray, Edward Francis
- Murray, Edward Ian to Murray, Harry George Felix
- Murray, Hatiana to Murray, John Keith Lennard
- Murray, John MacGregor, Bt. to Murray, Mary Celestria
- Murray, Mary Clara to Murray, Victoria Alexandrina
- Murray, Victoria Jane to Murton, William John
- Murvitz, Batia Leonora to Muspratt, Sydney Frederick
- Mussalan, Aisha to Myhill, Robert
- Myles, Elizabeth Josephine to Nairac, Paul
- Nairn, 1st Baronet (Michael Barker) to Napier of Magdala, 4th Baron (Edward Herbert Scott)
- Napier of Merchistoun, 12th Lord (Francis Edward Basil) to Napier, Robert William, 2nd Baron Napier of Magdala
- Napier, Robert, 2nd Bt. to Nash, William Weiland
- Nasi, Alessandro dei baroni to Nassau, Walram I von
- Nassau, Walram III von to Nassau-Usingen, Wilhelm Heinrich I Fürst zu
- Nassau-Vianden-Dietz, Johann V Graf von to Nauman, Susan
- Naumova, Anna to Nazarino, Sarah Nicola
- Ndisi, Margareta to Neave, James
- Neave, James Riddell Airey to Needham, Fanny Amelia
- Needham, Finn Barnaby to Negroponte, Pericles
- Negrotto Pico, Alina to Nelmes, Gordon
- Nelms, Alec James to Nelson, Thomas
- Nelson, Thomas to Neskow, Cynthia Layne
- Nesling, Arthur Bruce to Neumann, Ute Doris Sieglinde
- Neumarkt, Christopher III, King of Denmark to Nevill, Rosalind Margaret
- Nevill, Rose to Neville, Geoffrey (IV) de
- Neville, Geoffrey (IX) de to Neville, Philip de
- Neville, Philip Lloyd to Newbold, Mabel
- Newbolt, Elizabeth Juliana to Newdigate-Ludford-Chetwode, John, 5th Bt.
- Newdosk, Lord of (David) to Newman, Stephen
- Newman, Susan to Newton, Elizabeth
- Newton, Elizabeth Jane to Niblett, Kate Alfrida
- Niblock, Amelia St. John to Nicholson, Charles William John
- Nicholson, Christopher to Nicholson, Thomas
- Nicholson, Thomas Gilbert to Nicolay, Yvonne Léonie Marie Anne Georgine de
- Nicolaï, Nicholas to Nicolson, Walter Philip of Carnock, 7th Bt.
- Nicolson, William to Nilert, Vedela Pernilla
- Niles, Philip Bradford to Nivison, William
- Nix, Charles George Ashburner to Nobbs, Helena
- Nobbs, Helena Catherine to Noble, Rosemary Elizabeth
- Noble, Sarah to Noel, Eric Charles Hampden
- Noel, Ernest to Noel, Wilmot Juliana
- Noel, Wriothesley Baptist to Norbury, Violet Catherine Adele
- Norcliffe, Catherine to Norman, Robert William
- Norman, Rodney Vincent to Norris, Henry
- Norris, Henry, 1st Lord Norris of Rycote to North, Grace
- North, Grace Anne to Northbrook, Countess of (Florence Anita Eyre)
- Northchurch, Baroness, of Chiswick in the County of Middlesex (Frances Joan) to Northcote, Kent Stafford
- Northcote, Kitty to Northumberland, Uchtred of
- Northumbria and Huntingdon, Earl of (Waltheof) to Norway, Haakon V of
- Norway, Haakon VI of to Novgorod, Vsevolod of
- Novis Neves, Gabriel to Nugent, James
- Nugent, James to Nuttall, Miranda Elizabeth Louise
- Nuttall, Nicholas Alexander David to O'Brien, Anne Maria
- O'Brien, Anne Molyneux to O'Brien, Katherine, Baroness Clifton (of Leighton Bromswold)
- O'Brien, Kathleen to O'Bryen, Winifred Florence
- O'Bryne, Carolyn to O'Connell, Catherine
- O'Connell, Catherine to O'Connell, Hugh
- O'Connell, Hugh to O'Connell, Maurice John
- O'Connell, Maurice John to O'Connor, Elizabeth Patricia
- O'Connor, Ellen to O'Doherty, unknown
- O'Donahue, John to O'Donovan, Henry Winthrop, The O'Donovan
- O'Donovan, Honoria to O'Grady, Edith Geraldine de Courcy
- O'Grady, Edmond to O'Grady, Standish Stamer
- O'Grady, Standish Thomas to O'Keefe, William
- O'Keeffe, Arthur John Lanigan to O'Neill, Clare Desire
- O'Neill, Clare Naomi to O'Reilly, Tyrrell
- O'Riain, Bearnard to Oakeley, Thomas
- Oakeley, William Edward to Obins, Nichola
- Obolensky, Alexander to Odell, Francis Hastings Butler
- Odell, Francis Samuel to Odell, Sophia
- Odell, Sophia Matilda to Oettingen und Oettingen-Spielberg, Theresa Elisabeth Marta Alexandra Maria Notgera Prinzessin zu
- Oettingen, Albrecht Ernst I Prinz von to Ogilvie, Emilia Mary
- Ogilvie, Emily Charlotte to Ogilvy, Grizel
- Ogilvy, Helen to Ogilvy-Wedderburn, John Andrew, 5th Bt.
- Oginski, Michael-Bogdan to Ogle, William Wallace
- Oglemoore, Elizabeth to Oldenburg, Christian William
- Oldenburg, Christian, Crown Prince of Denmark to Oldenburg, William Henry, Duke of Gloucester
- Oldenburg-Delmenhorst, Agnes von to Oliphant, Christian
- Oliphant, Christian to Oliphant, Ruth Margaret
- Oliphant, Siobhàn Alexandra Forbes to Olivera, Victor Antonio
- Olives, Michel to Ommaney, Marianne Susanna
- Ommanney, Charlotte Georgiana to Oppen, Maximilian von
- Oppenheim, A. C. to ord, William Ulic Desmond Lon
- Orde, 1st Baronet, of Morpeth, co. Northumberland (John) to Orkney, Master of (John)
- Orlamuende, Graf von (Hermann I) to Orléans, Louise Françoise Marie Laure d', Prince de France
- Orléans, Louise Marie d', to Ormerod, Sarah
- Ormerod, Susan to Ormsby, Zachary
- Ormsby-Gore, Alice Magdalen Sarah to Orr-Ewing, William, 2nd Bt.
- Orr-Lewis, 1st Baronet (Frederick) to Osborn, Louisa Anne
- Osborn, M. A. C. to Osborne, Jane
- Osborne, Janet Elizabeth to Ossory, Earl of (Thomas)
- Ossulston, 1st Baron (John) to Ottewell, Georgina Kirsten
- Ottingen, Hindchen Mendler to Ow, Ursula von
- Ow-Wachendorf, Agnes von to Owen, Trevor B.
- Owen, unknown to Paar, Sophie
- Pabaney, Ebrahimbhoy to Padberg, Wolfgang von
- Padcock, Ellen to Page, William Lionel
- Page-Blair, John to Paget, Elizabeth
- Paget, Elizabeth to Paget, Otho
- Paget, Pamela Winefred to Paisley, 9th Lord, co. Renfrew (John James)
- Paisley, Hamilton, Mountcashell and Kirkpatrick, 1st Lord (James) to Palatiano, William Henry de
- Palazzolo, 12° Principe di (Fabrizio) to Palliser, John
- Palliser, John Bury to Palmer, Eleanor
- Palmer, Eleanor Mary to Palmer, Kerry
- Palmer, Laura to Palmer, William Henry France
- Palmer, William Henry Greenwell to Pappenheim, Maria Christine
- Pappin, Dianna Francis to Parente, William Henry Marcello
- Parente-Addison, Gigina to Parker, Anne
- Parker, Anne to Parker, Jane
- Parker, Jane to Parker, Thomas
- Parker, Thomas to Parks, Thomas George Maitland
- Parks-Smith, Charles Egerton to Parnell, John
- Parnell, John to Parrott, William
- Parry Hawkshaw, Edward Crichton to Parsons, Geoffrey Lawrence
- Parsons, George to Partridge, Lilla Gwendolen
- Partridge, Lucy Marie to Paston, William, 2nd Earl of Yarmouth
- Paston-Bedingfeld, Agnes Kathleen Susan Anne to Paterson, William Hocken
- Paterson-Balfour-Hay, Edmond de Hay to Patterson, William
- Patterson, William to Paul, William Somerville
- Paulding, Charles Governeur to Pauwels, Henry J. C.
- Paux, Ivan Louis to Payne, Somers
- Payne, Susan to Peacock, Zoe
- Peacocke, Anne to Peard, Richard
- Peardon, Albert Dudley to Pearson, Lynette
- Pearson, Lynn Dorothy to Pease, Jean
- Pease, Jeannette Thorn to Pechell, William Cecil Kerr
- Pecheron, Agnes Eleanora to Peel, Eliza
- Peel, Elizabeth to Peile, John
- Peine, Virginia to Pelham, Mary
- Pelham, Mary to Pellew, Fleetwood John
- Pellew, Fleetwood Timothy to Pelly, Cécile
- Pelly, David Arnold to Pelly, John Raymond
- Pelly, John Stanley Richard to Pelly, Sara Ann
- Pelly, Sara Lynn to Penancoët, Guillaume, Sieur de Kérouaille
- Penaranda del Duero, Duque de (Hernando Alfonso) to Pennet, Marie Alice Wentworth
- Penney, Adolphus Bradford to Penrys, John
- Penteney, Jane to Pepys, Florence
- Pepys, Frances Mary to Perceval, Elizabeth
- Perceval, Elizabeth Anne to Percival, William
- Percy of Newcastle, 1st Baron, of Etchingham, co. Sussex (Eustace Sutherland Campbell) to Percy, Thomas, 1st Earl Egremont
- Percy, Thomas, 1st Earl of Northumberland to Perks, Sophie Maria Katherine
- Pernas, María Elena, 11th Marquesa de Mos to Perry, Thomasine Isabella
- Perry, Venetia Mary Frances to Pery, Felix Edmund, Viscount Glentworth
- Pery, Fergus Anthony Colquhoun to Peter-Hoblyn, Susanna Diana Georgina
- Peterborough, 1st Earl of (John) to Pethick-Lawrence, Frederick William, 1st and last Baron Pethick-Lawrence
- Pethybridge, Flora Louise to Petre, Jack
- Petre, Jack to Petrocokino, Violet Anne May
- Petrovic-Njegoš, Altinai to Peyroux, Solange du
- Peyster, Arent Schuyler de to Pfalz, Wolfgang von der
- Pfalz-Neuburg, Anna Maria von to Phibbs, William Harloe
- Philanthropenos, Manuel Angelos, Lord of Thessaly to Philips, Nathaniel
- Philips, Nora Margaret Edeen to Phillips, Georgina
- Phillips, Getrude to Phillipson, John Thary Burton
- Phillipstown, 1st Baron of, King's County (Terence) to Phipps, Mary
- Phipps, Mary to Piatti, Zeno Graf von
- Piazza, Ben to Pierce, Harriet B.
- Pierce, Helen Mary to Pietsch, Elisabeth
- Piffe-Phelps, Caroline Frances to Pigott, John Trench
- Pigott, John Trench to Pilars, Zygmunt
- Pilaszanovits, Helene Marie Isidora von to Pilz, Wolfgang
- Pim, Catherine to Pinsent, Robert
- Pinson, Andrew to Pitfield, unknown
- Pitfour, Mary to Place, Tinsley
- Plachota, Etelka to Platt, Louisa
- Platt, Louisa Sobrieska von to Plettenberg, Gabriele
- Plettenberg, Georg Felix Hubertus Graf von to Pleydell-Railston, Patricia
- Plimsoll, Enid Barbara to Plowright, William Ernest
- Plucinska, Marjolaine to Plunket-Greene, Richard George
- Plunkett, Alexander to Poche-Lettmayer, Theresa Baronin von
- Pochin, Charles Norman to Pohl, Stephanie Christina
- Poignant-Febray, Odile to Pole, Michael, 1st Earl of Suffolk
- Pole, Michael, 2nd Earl of Suffolk to Pollen, Mary Rose Catherine
- Pollen, Nell to Pomerania, Wartislav VII of , Duke of Pomerania
- Pomerelia, Duke of (Sambar) to Ponsonby, Benedict George Mountifort
- Ponsonby, Bertha to Ponsonby, Mary Elizabeth
- Ponsonby, Mary Fanny Louisa to Poole, Eleanor Margaret Lawson
- Poole, Elinor to Pope, Frank Wilson
- Pope, Frank Wilson Philip Clive to Porhoët, Eudes, Duc de Bretagne
- Porlandris, Sophia to Porter, Jake Rollo
- Porter, James to Portman, Gertrude Agnes
- Portman, Guinevere to Posaner, unknown
- Poschinger von Frauenau, Anna Anita to Potter, John
- Potter, John to Poulett-Thomson, Frances
- Pouliot, Benedict Joseph-Marie to Powell, Eliza
- Powell, Elizabeth to Powell, Zandra
- Power, (?) to Power, Margaret
- Power, Margaret to Powlett, William
- Powlett, William John Frederick to Poyntz, Anne
- Poyntz, Anne to Poyntz, Mary Elizabeth
- Poyntz, Mary Frances to Pranckh, Sofie von
- Prantl, Barbara to Pratt, Jonathan James Cyril
- Pratt, Joseph to Premysl, Wratislaw
- Prendegast, Gerald de to Prescott, William Willoughby
- Prescott-Decie, Cyril to Preston, Joan Margaret
- Preston, Jocelyn Panizzi to Pret-Roose, Michael de
- Prete, Ernestina del to Preußen, Prinz
- Preußen, Prinz to Preußen, Xenia Sophie Charlotte Cecilie Prinzessin von
- Preval, Daphne Ward to Price, Lorna
- Price, Louisa Douglas to Prideaux, Walter Treverbian
- Prideaux-Brune, Brian Philip George to Primrose, William, 2nd Bt.
- Primus, Katherine Mary to Printz, Sophie
- Printzen, Karoline Elisabeth Antoinette von to Proby, Elizabeth Angelique
- Proby, Elizabeth Emma to Promnitz, Johann Baron von
- Promnitz-Dittersbach, Eleonore Baronin von to Pryor, Helen Celia
- Pryor, Herbert Matthew Marlborough to Pugh, William James
- Pughe, Frances Rosemary to Purcell, Helen
- Purcell, Helen to Purey-Cust, Arthur Perceval
- Purgstall, Godfrey Wenceslaus Graf von to Pye, Philippa
- Pye, Phillipa to Pym, William
- Pym, William to Quarendon, Viscount (Edward Henry)
- Quarles, John to Quibell, Edith Jane
- Quick, Andrew to Quinn, unknown
- Quinn, unknown son to Quintal, Frank Walter
- Quintal, Frederick Adolph to Quintal, Oliver Macy
- Quintal, Oliver Penny to Rabbe, John
- Rabben, Alexander Haakon to Radclyffe, Johanna
- Radclyffe, John to Radziwill, Nicole
- Radziwill, Olga to Raikes, Sophia
- Raikes, Thomas to Ralli, Janie
- Ralli, Jean to Rambie, Monica
- Rambouillet, Duc de (Louis Marie) to Ramsay, George
- Ramsay, George to Ramsay, Zoë Mary
- Ramsay-Fairfax, 6th Baronet (Edmund John William Hugh) to Randall, Mary
- Randall, Mary Abby to Rankin, unknown child
- Rankine, Alexandra Forté to Rashleigh, William Boys
- Rasic, Alexander to Rattray, Thomas, 20th of Craighall-Rattray
- Ratynska, Karolina Wiktoria to Ravinel, Yves de
- Ravis, Alice to Rawson, Sara Ann
- Rawson, Sarah to Rea, Walter Russell, 1st Baron Rea
- Read, Abby to Reade, Robert
- Reade, Robert to Rechberg und Rothenlöwen zu Hohenrechberg, Walburga Maria Margarete Gräfin von
- Rechberg und Röthlowen zu Hohenrechberg, Margarete Gräfin von to Redgrave, Mary
- Redgrave, Mary Elizabeth to Reed, Sarah
- Reed, Sarah to Reeve, William Robert Sidney
- Reeve-Parker, Camilla Brooke to Reid, Andrew
- Reid, Andrew Gildart to Reid, Susan
- Reid, Susan to Reitan, Nancy Mary
- Reithauser, Marie to Rennoldson, Dorothy Josephine
- Renny, Arthur Masterton Robertson to Rethel, Louis of
- Rethy, Alexandre de to Reuss zu Köstritz, Prinz ((?))
- Reuss zu Köstritz, Prinz ((?)) to Reutern, Olga von
- Reutersvärd, Anna Ebba to Reynett, Maria
- Reyney, Alice to Reynolds-Moreton, Florence
- Reynolds-Moreton, Francis to Rhodes, William Barnard
- Rhodes, William Barnard to Rice, Edward
- Rice, Edward to Rich, Deirdre Frances
- Rich, Diana to Richards, Kathleen
- Richards, Kathy to Richardson, Jane Mary
- Richardson, Janet to Richmond, Arnold
- Richmond, Arthur to Ricketts, William Tyler
- Rickford, Elizabeth Harriet to Ridge, Walter
- Ridgely, Ann to Rieck, Ursula
- Riedel, Melitta Freiin von to Riley, Penelope Anne
- Riley, Permelia Hasseltine to Ripley, William Hugh, 5th Bt.
- Riplingham, William to Ritter, Luise von
- Ritter, Maria to Robarts, Peter
- Robb, Alan to Roberts, David Edward
- Roberts, David Stowell to Roberts, Owen
- Roberts, Owen George Endicott to Robertson, Eleanor Frances
- Robertson, Eliza Sarah to Robertson, Richard Manning
- Robertson, Rita Kathleen to Robinson, Ann
- Robinson, Ann to Robinson, Henrietta Francisca
- Robinson, Henry to Robinson, Philip
- Robinson, Philip Henry Guy to Robson, Josephine
- Robson, Josephine Ann Charlotte to Roche, Joan
- Roche, Joan to Rochfort, John
- Rochfort, John Staunton to Rodger, Margot Macrae
- Rodgers of Quarry Bank, Baron, of Kentish Town in the London Borough of Camden (William Thomas) to Roemer, Nicolaas Gerardus van der
- Roesdotter, Astrid to Rogers, Petra
- Rogers, Philip Mitchell to Rokeling, Mary Hope Laetitia
- Rokes, Judith to Rollo, William, 9th Lord Rollo of Duncrub
- Rollock, Elizabeth to Romanov, Kirill Vladmirovich, Grand Duke of Russia
- Romanov, Konstantin Konstantinovich, Grand Duke of Russia to Rome, Walter Richard de
- Romefort, Christine to Ronayne, William Crooke
- Roncallo, Maria Maddalena to Roper, Gertrude, Baroness Dacre
- Roper, Helena Sophia to Ros of Helmsley, Baron de (John)
- Ros of Wark, 1st Lord (Robert) to Rose, John
- Rose, John to Rosendorff, Werner
- Rosenheim, Baron, of the London Borough of Camden (Max Leonard) to Ross, Frances Ella
- Ross, Francesca to Ross, Zara Gail
- Ross-Brown, Jean Margaret to Rotenhan, Valentin Baron von
- Roth, Barbara to Rothschild, Hannah
- Rothschild, Hannah de to Roudabush, unknown son
- Rouech, Edward Eu~ene to Roussel, Thierry
- Roussy de Sales, Aymon de to Rowe, James Benedict
- Rowe, James Luke to Rowley, Frederica Julia
- Rowley, Frederica Mina Mabel to Rowsell, Rosalind Grace
- Rowsome, Andrew James Dewar to Rubirosa, Porfiro
- Rucellai, Tamara to Ruestow, Tanya René
- Ruffell, Anne Mary to Runcie, Robert Dalziel
- Runciman of Doxford, 1st Viscount (Walter) to Rushbrook, Ernest
- Rushbrooke, Mary Anita Margaret to Russell, April McKenzie
- Russell, Arnold to Russell, Frances
- Russell, Frances to Russell, John, 6th Duke of Bedford
- Russell, John, 8th Bt. to Russell, Roxanna Leal
- Russell, Rudolf to Russia, Petr I of
- Russia, Petr II of to Ruthven of Freeland, 9th Lord (Walter James)
- Ruthven of Gowrie, 1st Baron, of Gowrie, co. Perth (Walter James) to Ruttledge, Veronica Mary
- Ruttley, Eric to Rycroft, William Henry
- Rydan, Harold to Ryder, Peter Hugh Dudley
- Ryder, Peter Socrates Dudley to Ryves, William
- Rzewuska, Catherine to Sabran-Pontèves, Stephanette Marie Therese de
- Sabry, Munira to Sachsen, Kufürst von (Friedrich I)
- Sachsen, Kurfurst von (Johann Georg III) to Sachsen, Theophana von
- Sachsen, Therese Maria Anna Prinzessin von to Sachsen-Coburg und Gotha, Prinz
- Sachsen-Coburg und Gotha, Prinz to Sachsen-Gotha, Sophie Elisabeth von
- Sachsen-Gotha, Sophie von to Sachsen-Meiningen, Prinzessin
- Sachsen-Meiningen, Prinzessin to Sachsen-Weimar-Eisenach, Prinzessin
- Sachsen-Weimar-Eisenach, Prinzessin to Sackville, William Herbrand, 11th Earl De La Warr
- Sackville-West, Amalia to Sainsbury, Zivi H. R.
- Saint Alban, 1st Viscount (Francis) to Sainthill, Wilmot
- Sainton, Barbara Catherine to Salis-Soglio, Pia Maria Baronin von
- Salis-Soglio-Maienfel, Maria Margarethe von to Salm-Horstmar, Sophie Eleonore Prinzessin zu
- Salm-Kyrburg, Amalie Prinzessin von to Salm-Salm, Prinzessin
- Salm-Salm, Prinzessin to Salter, Nathaniel
- Salter, Nicholas to Sambrooke, unknown
- Sambucy de Sorgue, Alexandre Charles Jacques David François Xavier Marie to Samwell, William
- San Agustin, Marques de (Juan) to Sanders, Lewis
- Sanders, Lilian May to Sandford, Martha
- Sandford, Mary to Sandys, Samuel, 1st Lord Sandys, Baron of Ombersley
- Sandys, Sarah to Santarosa, Yara Christiane
- Santer, Ann Dorothy Sarah to Sarsfield, William
- Sarson, Bridget Mary to Sauer, Silvia
- Sauerberg, Adoph Ernst to Saunders, Finn David Bannerman
- Saunders, Florence Augusta to Saurma von der Jeltsch, Wolf Albrecht Baron von
- Saurma von der Jeltsch-Lorzendorf, Elisabeth Gräfin to Savage, William Henry
- Savary de Beauregard, Regina to Savoia, Duca di (Francesco Giacinto)
- Savoia, Duca di (Luigi I) to Savory, Yvonne Elizabeth Diana
- Sawbridge, Edward Henry to Sayer, Suzanne Mae
- Sayers, Alan to Sayn-Wittgenstein-Homburg, Ernst Graf von
- Sayn-Wittgenstein-Sayn, 6th Fürst von (Ludwig) to Scanlan, Thomas
- Scanlan, Thomas Richard to Scarth, William Walter Robert Graham
- Scatcherd, Emily Frances to Schauenberg, Mechtilde von
- Schauenburg, Adolf VII von to Schaumburg-Lippe, Prinzessin zu ((?))
- Schaumburg-Lippe, Prinzessin zu ((?)) to Schervier, Annette
- Scheulenburg, Christiane Ferdinande Anna to Schleswig-Holstein, Valerie Marie zu
- Schleswig-Holstein-Sonderburg in Arroe, Christian Herzog von to Schleswig-Holstein-Sonderburg-Beck, Sophie Luise von
- Schleswig-Holstein-Sonderburg-Franzhagen, Christiane Elisabeth von to Schleswig-Holstein-Sonderburg-Glücksburg, Thyra Amelia Caroline Charlotte Anne, Princess of Denmark
- Schleswig-Holstein-Sonderburg-Glücksburg, Thyra Louise Caroline Amelia, Princess of Denmark to Schmier, Dorothee
- Schminke, Hermine de to Schomberg, unknown
- Schomehl, Friederike to Schuh, Irmgard von
- Schulenberg, Adelheid Gräfin von der to Schwarz, Vittorio
- Schwarzburg, Alexandra von to Schöll, Rudolf
- Schöller, Henriette to Schönburg-Glauchau, Maria Immaculata Gräfin von
- Schönburg-Glauchau, Maria Josephine Gräfin von to Sclater, Peter Duncan
- Sclater, Philip Lutley to Scotland, Margaret of
- Scotland, Margaret of to Scott, Basil
- Scott, Beatty Hamilton to Scott, Francis Lucas Clements
- Scott, Francis Montgomery to Scott, John
- Scott, John to Scott, Oliver Charles Somerville
- Scott, Oliver Dickon Robert to Scott, Victoria Alexandria
- Scott, Victoria Laura Maria Magdalene to Scotton, Thomas Warren
- Scougall, Margaret to Scrope, William le
- Scruggs, Maria Cynthia to Seafield, Dowager Countess of (Louisa Emma)
- Seaford of Seaford, 1st Baron (Charles Rose) to Sebag-Montefiore, Owen Cecil
- Sebag-Montefiore, Pamela Lucy to Seebach, Marie-Agnes Baronin von
- Seebenstein, Rosina Gräfin to Segar, unknown
- Segard, Micheline to Selby, Ralph Walford
- Selby, Robert to Sempill, Hugh, 12th Lord Sempill
- Sempill, Hugh, 5th Lord Sempill to Sergison, William S.
- Sergison-Brooke, Bertram Norman to Sethy de Bicske, Johanna
- Seto, Helen to Seton, Zeyla
- Seton-Browne, Brigid Pamela Neville to Seymour of Trowbridge, 2nd Baron (Charles)
- Seymour, 'The Proud Duke' to Seymour, Elizabeth Seymour
- Seymour, Ellen to Seymour, Julian
- Seymour, Julian Conway to Seymour, Zoë Jane
- Seymour-Conway, Alice Elizabeth to Shaftesbury, Mary of
- Shafto, Amanda Elizabeth to Shannon, Margaret Mary
- Shannon, Margaret Mary to Sharples, Thomas
- Sharpley, Amos to Shaw, Henry David
- Shaw, Henry Ernest to Shaw, Thomas Columba, 4th Baron Craigmyle
- Shaw, Thomas Donald Mackay, 3rd Baron Craigmyle to Shearman, Yvonne
- Shearme, John L. to Shekleton, Harriet
- Shekleton, Hazel Frances to Shelley, Bysshe, 1st Bt.
- Shelley, Cecil William Charles to Shepherd, Peter
- Shepherd, Peter Bruce to Sheridan, Edith Marcia Caroline
- Sheridan, Elizabeth to Sherwin, William
- Sherwood, 1st Baron, of Calverton, co. Nottingham (Hugh Michael) to Shimmin, unknown
- Shimura, Toshiko to Shirley, Isabel
- Shirley, Isabel to Shope, Zachary Sinclair
- Shoppee, Ada Collett to Shoppee, Katherine Joy
- Shoppee, Kathleen to Short, Slaine Catherine
- Short, Tania Dawn to Shuiskii, Yurii
- Shukburgh, Elizabeth to Sibley, Toni
- Sibley, Verna to Sieff, Sarah
- Sieff, Simon Marcus to Silva-Tarouca, Wilhelm August Maria Joseph Thomas Graf von
- Silva-Tarouca-Unwerth, Eugen Graf von to Simmons, Noreen Helen Rosemary
- Simmons, Noreen Starr Anker to Simpson, Ellen
- Simpson, Ellen to Sims, Ursula Jane
- Simson, Alexander to Sinclair, Fiona Catharine
- Sinclair, Fiona Gwendolen Isobel to Sinclair, Malcolm Patrick
- Sinclair, Marcus of Carberry to Singer, Stephanie Elise
- Singh, Anne Blanche Alice to Siwicki, Mary Stanislava
- Siwy, Caroline to Skepper, Robert Braeme
- Skerne, Robert to Skitmore, Patricia
- Skjoth, Andreas to Slade, Mary
- Slade, Mary to Sledge, Mary
- Sleeman, Emily to Small, Rebecca
- Small, Ross to Smiley, Katherine Cecilia
- Smiley, Lavinia to Smith, Andrew Fraser
- Smith, Andrew Keith to Smith, Cecilia
- Smith, Cecilia Katherine to Smith, Eleanor Forbes
- Smith, Eleanor Furneaux to Smith, Frank L.
- Smith, Frank Rae Arthur to Smith, Horace
- Smith, Horace H. to Smith, John Malcolm
- Smith, John Masterton to Smith, Margaret Joyce
- Smith, Margaret Louise to Smith, Percy
- Smith, Peta to Smith, Stephen Edward
- Smith, Stephen Edward Vivian to Smith, William Henry
- Smith, William Henry to Smithson, Yuilleen Maude
- Smithwick, Amy Oliver to Smyth, James
- Smyth, James to Smythe, George
- Smythe, George Augustus Frederick Percy Sydney, 7th Viscount Strangford to Snell, Kathleen
- Snell, Keith Leslie Francis to Snowdon, William
- Snowling, Horace to Sollid, Susan Barbara
- Sollins, Caroline Margaret to Solms-Laubach, Wilhelm Graf zu
- Solms-Laubach-Wildenfels, Friedrich Ernst Graf zu to Somerset, Anne
- Somerset, Anne Blanche Edwina Alma to Somerset, Helen Susan
- Somerset, Helena to Somerset, Vivienne Constance
- Somerset, Wanda Gertrude to Somerville-Withers, Wendy
- Somery, 1st Lord (John) to Sothill, Elizabeth
- Soto an Aller, Marqués de (Claudio) to Southey, William Blaise
- Southgate, Esther Elizabeth to Southworth, Thomas Edward
- Soutzo, Marie Georgette to Sparrow, Winifride Mary
- Sparta, Duke of (Pavlos) to Spee, Pia Gräfin von
- Spee, Pius Graf von to Spencer, Anne
- Spencer, Anne to Spencer, John
- Spencer, John to Spencer-Churchill, Elizabeth Martha
- Spencer-Churchill, Etheldred Catherine to Spiegal zum Diesenberg-Hanxleden, Karoline Gräfin von
- Spiegel zum Diesenberg-Hanzleden, Gabriele Gräfin von to Spooner, William
- Spoor, Ida to Spread, William Rochfort
- Spreag, Alana to Squarey, Robert
- Squarey, Robert to St. Barbe, William
- St. Blaize-Molony, Kirsten to St. John of Battersea, 8th Baron, co. Surrey (Kenneth Oliver Musgrave)
- St. John of Bletso, 10th Baron (John) to St. John, John de
- St. John, John Henry to St. John-Mildmay, Mary
- St. John-Mildmay, Meriel Hariet Caroline to St. Leger, Josephine Eliza
- St. Leger, Josephine Irene to St. Quintin, William, 4th Bt.
- St. Severin, Joan de to Stacpoole, Freya
- Stacpoole, George to Stacy, William B.
- Stade und Nordmark, Adelheid von to Stafford, William Howard
- Stafford-Howard, Elizabeth Mary Michael to Stamper, Thomas Henry Gilborn
- Stanbridge, Joan to Stanhope, Aubrey Charles
- Stanhope, Aubrey Charles to Stanhope, Thomas
- Stanhope, Tish to Stanley, Elizabeth
- Stanley, Elizabeth to Stanley, Maureen Helen
- Stanley, Max Wilfred Southwell to Stannus, Susanna
- Stannus, Thomas to Staples, Pamela June
- Staples, Philippa Jane to Stapleton-Cotton, Wellington Robert Paul
- Stapylton, 1st Baronet, of Myton, co. Yorks (Henry) to Staunton-Massy, Francis Staunton
- Staveacre, Frederick B. to Steed, Raymond John
- Steede, Charlotte to Steele, William Edward
- Steele-Bodger, Alasdair to Stephan, Sheila
- Stephani, Margarete to Stephenson, Margaret Elizabeth
- Stephenson, Margery June to Sternberg, Zdenka Gräfin von
- Sternberg-Manderscheid, Christine Gräfin von to Stevens, Thomas Richard
- Stevens, Todd to Steward, Venetia Cunitia Mary
- Steward, Victoria Maud to Stewart, Ann
- Stewart, Ann to Stewart, Cristina
- Stewart, Cynthia to Stewart, Georgiana
- Stewart, Georgiana Isabella to Stewart, Jane
- Stewart, Jane to Stewart, Leonora
- Stewart, Leopold Charles to Stewart, Michelle Katrina
- Stewart, Millicent Bettine to Stewart, Walter
- Stewart, Walter to Stewart-Richardson, Hugh Neil
- Stewart-Richardson, Ian to Stilwell, Viviane
- Stimson, Lancelot Maxwell to Stirling, Zia
- Stirling-Aird, Margaret Dorothea to Stockar-Scherer-Castell, Walther von
- Stockau, Georg Graf von to Stoddart, Joyce Enid Mabelle
- Stoddart, Judith to Stolberg-Stolberg, Christoph Ludwig Graf zu
- Stolberg-Stolberg, Christoph Ludwig Graf zu to Stolberg-Wernigerode, Bolko Hubertus Prinz zu
- Stolberg-Wernigerode, Botho Friedrich Carl Alexander Graf zu to Stone, Melinda Louise
- Stone, Michael Simon to Stoney, Gertrude Rose
- Stoney, Gladys Enid to Stonor, Caroline
- Stonor, Catherine to Stopford Sackville, William Bruce
- Stopford, 'the Countess Doll' to Stopford, Mary Christina
- Stopford, Mary Cordelia to Storr, unknown
- Storrie, Millie to Stourton, Julia
- Stourton, Julian Nicolas to Strachan, William
- Strachen, Dorothy to Strang, Xenia Vivienne Maxwell
- Strange de Blackmere, Baroness (Alethea) to Straten-Ponthoz, Valerie Maria Gräfin von der
- Stratford de Redcliffe, 1st Viscount (Stratford) to Stratton, Winifred
- Straubenzee, Alexander William van to Strickland, Walter
- Strickland, Walter to Strozzi, Maria
- Strub, Mario to Stuart of Findhorn, 3rd Viscount (James Dominic)
- Stuart of Leighton Bromswold, 1st Baron, co. Huntingdon (Esmé) to Stuart, Douglas Moray
- Stuart, Douglas Wynne to Stuart, Janet Erskine
- Stuart, Jean to Stuart, Sophia
- Stuart, Sophia to Stubenberg, Camillo Graf von
- Stubenberg, Camillo Herr und Graf von to Stubenberg, Herr und Graf von (Wolfgang Chaimroth)
- Stubenberg, Herr und Graf von (Wolfgang Georg Friedrich Josef) to Stubenberg, Marketa Herrin und Gräfin von
- Stubenberg, Martha Herrin und Gräfin von to Studdert, Hallam George
- Studdert, Hallam John Cecil to Sturge, Sarah
- Sturgeon, A. E. to Støver, Stein-Halvar
- Stübich, Anna Elisabeth von to Sullivan, Francis
- Sullivan, Frederick to Sunderland, unknown
- Sundgren, Carl Adolph to Sutherland, Catherine
- Sutherland, Charlotte to Sutton, Eleanor de
- Sutton, EletlDor Maria to Svendsen, Norris Amy
- Svendsson, Erik I 'the Evergood', King of Denmark to Swan, William H.
- Swanborough, Baroness, of Swanborough in the County of Sussex (Stella) to Sweden, Wilhelm of
- Sweeney, Fionnuala Maread to Swinbank, Margaret
- Swinborne, Alice to Sydenham, Ursula
- Sydes, J. to Sykes, James
- Sykes, James to Symmers, unknown
- Symmes, Andrew Gordon to Synge, Helen
- Synge, Helena to Szmrecsányi de Szmrecsán, Tosca Michaela
- Szogyeny-Marich, Paula to Tabath, Maureen
- Tabberer, Eliza to Tait, Pamela Joan
- Tait, Pauleen Margaret to Talbot, FitzRoy Somerset
- Talbot, Florence to Talbot, Mary Cecily
- Talbot, Mary Elizabeth to Talboys, Walter
- Talcarne, Lucy to Tanner, Yvonne Rosalind
- Tannert, Claudia Eva to Tasker, Sheryl Anne
- Taskova, Tatiana to Taubman, Thomas
- Taubman, Thomas to Taylor, Anne Elizabeth
- Taylor, Anne Frances to Taylor, Frederick
- Taylor, Frederick to Taylor, Kenneth
- Taylor, Kenny to Taylor, Sarah Bailey
- Taylor, Sarah Kate to Taylour, Zachary Thomas Henry
- Taypole, George to Telfer, William of Haircleugh
- Telford, Alison Anne to Temple-Gore-Langton, Wilda
- Temple-Gore-Langton, William Alec Grenville to Tennant, William
- Tennant-Park, Marion to Tetley, Thomas Wilkinson
- Tetley-Jones, Grizeal Mary to Thain, William
- Thaing, Sheve to Theodorovna, Juliana
- Theriot, Angelique Elaine to Thiene, Gaetan, Comte de Thiene
- Thienen-Adlerflycht, Anna Baronin von to Thomas, Elizabeth Anne
- Thomas, Elizabeth Ellen to Thomas, Marus John
- Thomas, Mary to Thomasson, Yves de
- Thomberg, Johanna to Thompson, Elsie
- Thompson, Emily to Thompson, Merry
- Thompson, Mervyn to Thomson, Charlotte
- Thomson, Charlotte to Thoreau, Sophia
- Thoresby, Anne to Thorniloe, Margaret
- Thornley, Barry to Thorold, Katharine
- Thorold, Lucy Charlewood to Throckmorton, Barbara
- Throckmorton, Barbara Mary Winifride to Thun und Hohenstein, Wolfgang Eugen Graf von
- Thun, Caroline Gräfin von to Thurn und Taxis, Karl Ferdinand Maria Lamoral Leonhard Ignatius Anselm
- Thurn und Taxis, Karl Ferdinand Prinz von to Thursby, Zoë Angelique
- Thursby-Pelham, Charles Kenneth to Thynne, Mary Elizabeth
- Thynne, Mary Ethel to Tighe, Robert
- Tighe, Robert to Tincler, Louise
- Tindal, Anthony to Tison, Jean René
- Tison-Thesiger, Léah Emilienne to Todd, William
- Todd-Thornton, Daniel Bickley to Tollemache, Lyonel Thomas
- Tollemache, Mabel to Tomlinson, Willis
- Tommasini, Edmondo to Tooth, Gertrude Gower
- Tooth, Helen to Torre, Luis de la
- Torre-Manzanal, Almudena de to Tottenham, Jane Elizabeth
- Tottenham, Jennifer Katherine to Toux, Janet
- Touzalin, A. E. to Townsend, Bryan
- Townsend, Bryan to Townsend, Helen
- Townsend, Helen to Townsend, Mary Ann Harriet
- Townsend, Mary Anne Elizabeth to Townsend-Rose, Rory Dixon Crichton
- Townshend of Raynham, 2nd Viscount (Charles) to Townshend, Mary Mina
- Townshend, Mary Somerville to Trafford, Bernard Edward
- Trafford, Brian Sadler Leigh to Trafford, Xandra Carandini de
- Trager, Mathilde to Train, Nikolaus Joseph Karl August von
- Trainel, Seigneur de (Anseau II) to Trauttmansdorff-Weinsberg, Wilhelmine von
- Trava, Bermudo Perez, Conde de Trastamara to Tree, Viola
- Treerise, Lesley Bridget to Tremayne, Zoe Anna Judith
- Trembath, Alison to Trench, Elizabeth
- Trench, Elizabeth to Trench, John
- Trench, John to Trench, Sarah Powell
- Trench, Sarah Smith to Tretheway, son3
- Trethewy, Anne to Trevor-Roper, George Dacre
- Trevor-Roper, George Edward to Trinder, Robert
- Trinick, Chester Michael to Trollope, Frances
- Trollope, Frances to Trotter, James Stuart
- Trotter, Jane to Trubshawe, Nicholas
- Truchsess von Wetzhausen, Cordula Baronin to Tryon, Peter
- Tryon, Peter Willem to Tucker, Elizabeth
- Tucker, Elizabeth to Tucker, Victoria Minne
- Tucker, W. Raffles to Tufton, Mary
- Tufton, Mary to Tunnard, Peter Kingscote
- Tunnicliff, Catherine to Turner, Arthur Francis
- Turner, Arthur Granville to Turner, Lucy Eleanor
- Turner, Lucy Elizabeth Anne to Turnor, Salomé
- Turnor, Wyatt William to Tweeddale, 9th Marquess of (Arthur)
- Tweedie, Ada Frances to Twisden, Elizabeth
- Twisden, Emily Francesca to Twisleton-Wykeham-Fiennes, Richard George
- Twisleton-Wykeham-Fiennes, Richard Nathaniel to Tyer, Margaret Rosemary
- Tyers, Arthur to Tyler-Stewart-Mackenzie, Reginald James
- Tylney of Castlemaine, 1st Earl, co. Kerry (Richard) to Tyringham, Violet Mary
- Tyrol, Elisabeth of to Tyssen-Amherst, William Amhurst, 1st Baron Amherst of Hackney
- Tyssen-Amhurst, Mary Rothes Margaret to Ullstein, William
- Ullswater, 1st Viscount (James William) to Ungarn und Böhmen, Maria Theresia Königin von
- Ungarn, Charles von to Unwin, William Cowper Ludovic
- Unwin, William Francis to Ure, Katherine
- Urena, Pedro of to Ussel, Sabine d'
- Ussher, Adam to Ussher, John
- Ussher, John to Uxbridge, Earl of (Charles Alexander Vaughan)
- Uxhull in Neuchatel, Baron d' (unknown) to Valera, Vivion Juan De
- Valere, André Joseph to Van Buren, Smith Thompson
- Van Cleef, Elizabeth to Vanden-Bempde-Johnstone, Ethel
- Vanden-Bempde-Johnstone, Evelyn Mary to Vane, Henry Cecil
- Vane, Henry de Vere, 9th Baron Barnard of Barnard's Castle to Vanneck, Tompson
- Vanneck, Vanessa Clare to Varinals, Derek
- Varis, Hyacinthe Gabrielle to Vaughan, Herbert Lawrence
- Vaughan, Herbert Richard to Vaux, John
- Vaux, John to Vavasour, Yasmin Xanthe Fleur
- Vavasseur, Antoine Ie to Venables-Vernon, William Walter
- Venables-Vernon-Harcourt, Edward to Verdun, Theobald, 2nd Lord Verdun
- Vere of Hanworth, 1st Baron (Vere) to Vereker, Henry
- Vereker, Henry to Verme degli Obbizi, Contessa dal (Vittoria)
- Vermeer, Brydgytte Agnes Dawn to Verney, Louisa
- Verney, Louisa to Vernon, Henry Richard Cooper
- Vernon, Henry, 1st Bt. to Vernon-Harcourt, Winifred Rachel
- Vernon-Powell, Caroline to Vesey, George
- Vesey, George to Vianden, Comte de (Henri)
- Viane de Goutaut-Biron, Adele Marie to Viererbe, Rut
- Viers, Elizabeth to Villeneuve-Esclapon, Jeanne
- Villenfagne de Vogelsanck, Guy Marie Alain Benoît de to Villiers, Elizabeth de
- Villiers, Elizabeth Frances to Villiers, Oliver George Graham
- Villiers, Paganus I de Payne to Vincent, Arthur Hare
- Vincent, Arthur Hare to Vinson, Nigel, Baron Vinson
- Vint, Sophia Marguerita to Vivian, John Hamilton Hussey, 4th Baron Swansea
- Vivian, John Henry to Vollenhoven, Samuel Bernhard Louis van
- Vollmar auf Veltheim, Aribert H. W. R. A. von to Vyner, Violet Elizabeth
- Vyse, Ann to Wade, Susan
- Wade, Sybel to Wagstaff, Vivien Holt
- Wagstaffe, Frances to Wakefield of Kendal, 1st Baron, of Kendal, co. Westmorland (William Wavell)
- Wakefield, 1st Baronet, of Kendal, co. Westmorland (Edward Birkbeck) to Walcot, Walter
- Walcott, Agatha Catherine to Waldburg, Hubertus Georg Karl Maria Willibald Johannes von
- Waldburg, Hubertus Maria Aloysius Wunibald Pius von to Waldeck und Pyrmont, Volkwin George Louis Prinz zu
- Waldeck und Pyrmont, Wittekind Adolf Heinrich Georg Wilhelm Prinz zu to Waldenburg, Gabriele von
- Waldenburg, George Wilhelm von to Waleran, 1st Baron (William Hood)
- Waleries, Joane de to Walker, Charles Hay
- Walker, Charles Henry to Walker, John
- Walker, John to Walker, Zoe
- Walker-Drummond, Alice Isabella Henrietta to Wallace, Felicity Lilla
- Wallace, Frances Anna to Wallburg, Marie
- Walle, Alken to Wallich, Nathaniel
- Wallich-Clifford, Anton to Walmesley, William Gerard
- Walmesley-Cotham, J. H. to Walsh, Charlotte Sarah Jane
- Walsh, Daniel Robert to Walter, Ellen Mary
- Walter, Emily Frances to Walthall, Theodora Serena Delves
- Waltham, 1st Baron (John) to Wanner, Theresia
- Wannup, Mary to Ward, Arthur
- Ward, Arthur to Ward, George
- Ward, George Arthur to Ward, Marie Angeline
- Ward, Marie Isobel to Ward, Toby
- Ward, Tracy Louise to Wardlow, unknown
- Wardman, Fiona Anne to Warmack, Rachel Rhodes
- Warmack, Richard to Warnock, William
- Warr, Edward to Warren, Frances Maria
- Warren, Frances Oldham to Warren, William
- Warren, William to Warton, Winifred Mary Amethyst
- Warvin, Jeanne de to Washington, William de
- Wasielewski, Alexander von to Waterson, Trevor
- Waterton, Edmund to Watson, Barbara
- Watson, Baron, of Thankerton in the County of Lanark (William) to Watson, Laura Maria
- Watson, Lavinia to Watson, Winifred McKinstry
- Watson-Armstrong, Beatrice Elizabeth to Watts, Harriett
- Watts, Harry Andrew Devereux to Wauchope, William John
- Waud, Frederick Patrick to Weatherly, Margaret Olive
- Weaver, Alma to Webb, Rodger Lee
- Webb, Rosaly Dorothy to Webster, Thomas, 1st Bt.
- Webster, unknown to Wei, Zarah
- Weibrauch di Pauli von Treuheim, Mathilde to Weisenbuch, Clara Elisabeth
- Weisgal, Emanuel to Weld, William Joseph
- Weld-Blundell, Agnes Mary to Welles of Dungannon, Baroness (Anne)
- Welles, 1st Lord (Adam) to Wellesley, Marianne
- Wellesley, Marianne to Wells, Neville Manwaring
- Wells, Oliver Philip Collings to Wemyss, Euphame
- Wemyss, Eupheme to Wentworth, Diana
- Wentworth, Dorothy to Wernher, Theodora Anna
- Wernitz, Berta Baronin von to West, Eleanor
- West, Elizabeth to Westarp, Christine von
- Westarp, Clara von to Westenra, Warner
- Westenra, Warner William Warren to Weston, J. S. H.
- Weston, James to Wethered, Roger Henry
- Wetherell, Charles to Weyland, William
- Weyman, Arthur to Whatman, William Godfrey
- Wheadon, Constance to Wheeler-Cuffe, Rosetta
- Wheeler-Robinson, Caleb John to Whitaker, Penelope Mary
- Whitaker, Percival Ayton Onley to White, Charles
- White, Charles to White, John
- White, John to White, Robert
- White, Robert to Whitehead, Suzanne Laura
- Whitehead, Sydney Dean to Whithear, W. A.
- Whiting, Abigail to Whitney, Martha
- Whitney, Mary Elizabeth to Whitworth, William
- Whitworth-Aylmer, Matthew to Wicklow, Eleanor Cecil
- Wickman, Edward Guy Denny to Wiehe, Xenia Alexandra
- Wieler, Leslie Frederic Ethelbert to Wightman, W. M.
- Wightwick, Abigail to Wilbraham-Bootle, Richard
- Wilbur, Harriet to Wilford, Thomas
- Wilfred, Blith to Wilkinson, Jane Mary
- Wilkinson, Jane Teresa to Willey, John
- Willfort, Claudia Maria Edina Hedwig to Williams, Catharine Nora
- Williams, Catherine to Williams, Frederick Law, 7th Bt.
- Williams, Frederick Martin, 2nd Bt. to Williams, Karen Patricia
- Williams, Katherine Mary Elizabeth to Williams, Prudence
- Williams, R. O. to Williams, William, 2nd Bt.
- Williams, William, of Llanvorda to Williamson, Eleanor Butler Adair
- Williamson, Elena to Willington, William
- Willis Fleming, Adam Dashper to Willoughby, Charlotte
- Willoughby, Charlotte to Willoughby, William, Bt.
- Willows, Arthur to Willy, William
- Willyams, Charlotte Champion to Wilson, Anne
- Wilson, Anne to Wilson, Elizabeth
- Wilson, Elizabeth to Wilson, Jane
- Wilson, Jane to Wilson, Mathew
- Wilson, Mathew to Wilson, Thomas
- Wilson, Thomas to Winch, Vivien
- Winchcombe, 2nd Baronet, of Bucklebury, Berkshire (Henry) to Windisch-Grätz, Joseph Nicolaus Graf von
- Windisch-Grätz, Judith zu to Windsor, Edward VIII, King of the United Kingdom
- Windsor, Edward, 3rd Baron Windsor to Wingfield, Charles
- Wingfield, Charles George Lewis to Wingfield-Digby, William George Digby
- Wingfield-Stratford, Alethe Sylvia to Winnington, Victoria Elizabeth
- Winnington-Ingram, Agnes Maud to Winslow, Natalie Wales
- Winson, Monica Frances to Winton, Winifred Alice de
- Winton-Wills, Edwina Sylvia de to Withell, Tamara
- Wither, Arthur Bigge to Wittelsbach, Richard
- Wittelsbach, Rudolf to Wodehouse, Elizabeth Ellen
- Wodehouse, Elizabeth K. to Wodehouse, Yoma Irene Mandra
- Woder, Alice to Wolff Metternich zur Gracht, Winfried Graf
- Wolff Metternich, Teena Marie to Wolston, William
- Wolter, Marilyn Donna Olga to Wontner-Smith, Philip
- Wontner-Smith, Robert Michael to Wood, Emily Beatrice
- Wood, Emily Charlotte to Wood, Lindsay, 1st Bt.
- Wood, Lloyd W. to Wood, William Henry
- Wood, William Herbert to Woodhouse, Margaret
- Woodhouse, Marguerite Illeen to Woods, William Tiptod
- Woodstock, 'the Black Prince' to Woollard, Thomas Henry
- Woollat, Elizabeth to Worcester, William of
- Wordsworth, (Katherine) Lucy to Woroch, Zuzanna
- Woronzow, Catherine to Worthington, Victoria Mary
- Worthington, William to Wrede, Prinzessin
- Wrede, Prinzessin von ((?)) to Wright, Corker
- Wright, Corker to Wright, Mabel Winifred Mary
- Wright, Madelene Rose to Wrightson, William
- Wrigley, A. S. to Wurster, Elizabeth
- Wursts, Charles Stewart to Wybrow, Richard
- Wyburn-Mason, Rosemary Eleanor to Wyllie, William T
- Wylly, Edward to Wyndham, Margaret Eleanor
- Wyndham, Margery to Wynn, William Percival
- Wynn-Carington, Albert Edward Charles Robert, Viscount Wendover to Wysoczanska, Anna
- Wysokinski, Andrzej to Württemberg, Herzog von (Ludwig)
- Württemberg, Herzog von (Ulrich V) to Württemberg-Stuttgart, Sophie Luise von
- Württemberg-Weiltingen, Julius Friedrich Herzog von to Yarde-Buller, Norberto
- Yarde-Buller, Norberto Luis to Yeatman-Biggs, Huyshe Wolcott
- Yeats-Brown, Agnes Matilda to Yerburgh, George
- Yerburgh, Gillian Elizabeth to York, Elizabeth of
- York, Enid Laura to Yorke, Mary Anne
- Yorke, Mary Catherine to Young, Betsy
- Young, Betty Lorraine to Young, Gordon John (2/7 Ramsay Street
- Young, Grace to Young, Martha
- Young, Martha to Young, Walter
- Young, Walter Buchan to Ysenburg und Büdingen in Birstein, Wilhelmine Magdalene Gräfin zu
- Ysenburg und Büdingen in Büdingen, 1st Fürst zu (Ernst Casimir) to Yve de Bavay, Yolande d', Comtesse d'Yve de Bavay
- Yvetot, Prince d' (Antoine) to Zatonski, Constance Mary
- Zaunmuller-Freudenthaler, Eva Maria Vreto to Ziegler, Sarah Elizabeth
- Ziegler, Scott to Zollern-Hohenberg, Eufemie von
- Zollicoffer, Anna to Zweibrücken, Wolfgang Pfalzgraf von
- Zweibrücken-Birkenfeld in Gelnhausen, Johann Karl Pfalzgraf von to Österreich, Ernst Markgraf von
- Österreich, Ernst von to Österreich, Erzherzog von (Ladislaus Luitpold)
- Österreich, Erzherzog von (Leo Karl) to Österreich, Erzherzogin von ((?))
- Österreich, Erzherzogin von ((?)) to Österreich, Johannes Carl Ludwig Clemens Maria Joseph Markus d'Aviiano Leopold
- Österreich, Johannes Karl Erzherzog von to Österreich, Marie Karoline Erzherzogin von
- Österreich, Marie Karoline Ferdinanda Erzherzogin von to Österreich-Este, Maximilion Joseph Erzherzog von



