- 't Hoen, André to (?), Alfonso III, Rey de Aragón
- (?), Alfonso IV, Rey de Aragón to (?), Ann
- (?), Ann to (?), Arabella Lucy
- (?), Arabella M. to (?), Boris, Prince Gorbaty-Shiuskii
- (?), Borislav II 'the Pious', Duke of Bohemia to (?), Charlotte
- (?), Charlotte to (?), Dermot, King of Munster
- (?), Desideria to (?), Edith
- (?), Edith to (?), Elizabeth
- (?), Elizabeth to (?), Ellen Jane
- (?), Ellen M. to (?), Ferdinand IV Franz, King of Bohemia
- (?), Fergal, High King of Ireland to (?), Ginny
- (?), Giovanna to (?), Harriet
- (?), Harriet to (?), Ingired
- (?), Ingoberg to (?), Jane
- (?), Jane to (?), Johanna
- (?), Johanna to (?), Leah
- (?), Leah to (?), Magnus, Jarl of Orkney
- (?), Mahon Moinmoy, King of Thomond to (?), Margery
- (?), Margery to (?), Mary
- (?), Mary to (?), Matilda
- (?), Matilda to (?), Niall 'Glúndub'
- (?), Niall 'Glúndub', High King of Ireland to (?), Philipe, Seigneur de Mahun-sur-Yevre
- (?), Philippa to (?), Ros
- (?), Rosa to (?), Shanti
- (?), Sharryn to (?), Sétnae
- (?), Tabitha to (?), unknown
- (?), unknown to (?), unknown wife
- (?), unknown wife to (?), Uuscfrea
- (?), Uí Fhorannáin to (?), Æfflæd
- (?), Ælfflæd to Abbey, William Henry
- Abblesford, Matilda to Abbott, Josephine
- Abbott, Josiah to Abdy, Catherine
- Abdy, Catherine to Abel Smith, William Walter
- Abel, Edward to Abercromby, Elizabeth
- Abercromby, Elizabeth to Abergavenny, Eve
- Abergavenny, Henrietta to Abinger, Elizabeth
- Abington, Mary to Abraham, Thomas Edwin Bidwell
- Abraham, Thomas Nelson to Acheson, Mary
- Acheson, Mary to Acland, Agnes Henrietta
- Acland, Agnes Lucy to Acland, John
- Acland, John to Acland-Troyte, Reginald Henry Dyke
- Acloque, Alexander John Sebastian to Acton, Maria Angelina
- Acton, Maria Eleonora Carlotta to Adair, Isobel
- Adair, Isobel to Adam, Zena Moyra
- Adamacz, Ferenc to Adams, Christopher Stephen
- Adams, Clara Amy to Adams, George Evelyn
- Adams, George Gammon to Adams, Kathryn
- Adams, Kathryn Frances to Adams, Rea Marion
- Adams, Rebecca to Adams-Beck, Mary Elizabeth Helen
- Adams-Connor, Eileen Laura to Adare, Baroness (Frances Muriel)
- Adbaston, 1st Baron, co. Stafford (Charles) to Addey, William Fielding
- Addie, Dorothy Evelyn to Addis, Thomas (Reverend)
- Addis, Thomas Oliver to Adeane, William
- Adeane, William to Aefferden, Marguerite Francine Caroline Marie van
- Aehrenthal, Aloys Lexa Graf von to Agar, James
- Agar, James Charles Herbert Welbore Ellis, 3rd Earl of Normanton to Agnelli, Virginia Asia
- Agnew Larios, Fulke Quentin Ernesto to Agnew, Elizabeth Moran
- Agnew, Ellen to Agnew, Madeline Mary
- Agnew, Malcolm to Agnew, unknown
- Agnew, unknown child to Ahn, Stephanie
- Ahr-Hochstaden, Elisabeth von to Ailsa, Marchioness of (Mary)
- Ailwyn, 1st Baron, of Honingham, co. Norfolk (Ailwyn Edward) to Aird, Joseph Maurice
- Aird, Julian Malcolm to Aitchison, Winifred Helen
- Aitchison-Denman, Marion to Aked, Susan Diana
- Akehurst, Dennis to Al-Karaghouli, Yousif Wati
- al-Naqib, Adham (Dr.) to Alberti y Caro, Antonieta
- Alberti, Leonora Amelia di to Alchorn, Elizabeth
- Alcobia y de Zulueta, Gaetana to Aldborough, William
- Aldcorn, Mary Hall to Aldous, William
- Aldred, Alice Veronica to Alemannien und Rhätien, Godofrid Herzog von
- Alemannien und Schussen, Konrad I Herzog von to Alexander, Anne
- Alexander, Anne to Alexander, Eleanor
- Alexander, Eleanor Butler to Alexander, James
- Alexander, James to Alexander, Marianne Louisa
- Alexander, Marianne M. to Alexander, Selina Mary Amelia
- Alexander, Serena Mary Claudia to Alford, Patricia
- Alford, Richard Sargent to Alison, unknown daughter
- Alix, Charles Peter to Allanson-Winn, Thomas Frederick George
- Allanton, Isabel of to Allen, Angela Heloise
- Allen, Anita to Allen, Eirene Marjorie
- Allen, Eirene Pamela Acland to Allen, Henry Seymour
- Allen, Herbert to Allen, Kyrle
- Allen, Kyrle to Allen, Ralph
- Allen, Ralph Shuttleworth to Allen, William Edward David
- Allen, William Francis to Alleyne, Honor Emily Margaret
- Alleyne, Isabella to Allin, William
- Allingham, Anne to Allott, Wayne
- Alloway, Florence G. to Almond, Penelope Jane
- Almont, Jean Albert d' to Alston, Margaret Crichton
- Alston, Maria to Altenburg, Prinz von (Leopold Maximilian Vinzenz Petrus Maria)
- Altenburg, Prinz von (Nikolaus Gottfried) to Altounyan, Susan A.
- Altrenhain, Clare to Alyngton, William
- Alzaga Unzue, Macoco to Amery, Una
- Ames, Alexander Millington to Amis, William Robert
- Amler, Sarah to Amsberg, Wilhelm Karl Friedrich August Louis von
- Amschel, Samuel Ben to Ancketill, William Robert
- Ancliffe, George Ernest to Anderson, Austin Innes
- Anderson, Ava Courtenay to Anderson, Elizabeth Hutton
- Anderson, Elizabeth Jane to Anderson, James Carew O'Gorman
- Anderson, James Donaldson to Anderson, Margaret Louise
- Anderson, Margaret Minette Rohais to Anderson, Shirley
- Anderson, Sophia Esme to Anderton, William Michael Ince
- Andes, Elie N. to Andrews, Alice Emmeline
- Andrews, Alrick to Andrews, James Walker
- Andrews, James William Joseph to Andrews, Sally
- Andrews, Sally to Angas, Michael Fife William
- Ange, Jean Marie, Chevalier Martin des Pallières to Angove, William Collier
- Angrand, Amelia Jane to Anhalt-Bernburg, Ferdinand Christian von
- Anhalt-Bernburg, Friederike Henriette Prinzessin von to Anhalt-Dessau, Wilhelm Gustav von
- Anhalt-Dessau-Köthen, Herzog von (Leopold IV Friedrich) to Anjou, Ermengarde d'
- Anjou, Ermisende d' to Annaly of Annaly and Rathcline, Marye Isabel
- Annaly of Tenelick, 1st Baron, co. Longford (Henry) to Annesley, Caroline
- Annesley, Caroline to Annesley, Mabel Sydney Augusta Katherine
- Annesley, Mabel Wilhelmina Frances to Anscombe, Philip Hayward
- Ansdell, Carol W. to Anson, George
- Anson, George Augustus to Anstey, William Jones
- Anstice, Alice Rosemary Graham to Anstruther, Philip
- Anstruther, Philip to Antinoff, Barbara
- Antioch, Henry of to Antrobus, Sandra
- Antrobus, Sara Kate to Appleton, William, 5th Bt.
- Appletree, Margaret to Aquitaine, William 'the Troubadour'
- ar, Gertrude Uhthoff to Arbuthnot, Bernard Kieran Charles
- Arbuthnot, Capel Robert to Arbuthnot, Marcia
- Arbuthnot, Marcia Emma Georgiana to Arbuthnott, Elizabeth
- Arbuthnott, Elizabeth to Arbuthnott, William, 12th Viscount Arbuthnott
- Arcedeckne, Andrew to Archdale, Leslie
- Archdale, Lettice to Archdall, Louisa Sutton
- Archdall, Margaret to Archer, Fulbert Astley
- Archer, Fulbert l' to Archer, Winifrede
- Archer-Burton, Burton to Arco-Zinneberg, Leopoldine
- Arco-Zinneberg, Leopoldine Gräfin von und zu to Arden, George Alwyne Hills
- Arden, George Edward to Ardilaun of Ashford, Baroness (Olivia Charlotte)
- Ardill, Caroline to Argentine, William de
- Argento, Annella to Arkwright, Charles
- Arkwright, Charles to Arlington, Ida Leonora Adalina Beatrice
- Arliss, Florence to Armitage, Philip
- Armitage, Philip Michael to Armstrong, Dora Helen
- Armstrong, Dora Helen to Armstrong, John Dickenson
- Armstrong, John Fortescue to Armstrong, Victoria Jane
- Armstrong, Walter to Armytage, Virginia
- Armytage, Walter John to Arnold, Sarah Anne
- Arnold, Sophia Mary to Arnott, William, 1st of Mugdrum
- Arnott-Fitzgerald, Emily Jane to Arrowsmith, Stephen
- Arroyave, Anselmo de to Arthur, Mary
- Arthur, Mary to Arundel, Eleanor
- Arundel, Elizabeth to Arundell, John
- Arundell, John to Asbeck, Willem Dirk Henrik Baron van
- Asbjornsdottir, Margaret to Ashburnham, Anchitel Fleetwood
- Ashburnham, Anchitel, 8th Bt. to Ashburton, Baroness (Sarah Cornelia)
- Ashbury, Edgar B. to Ashfield, unknown son
- Ashford, 10th Baron, of Ashford, Kent (Rufus Arnold Alexis) to Ashley-Cooper, Zara Emily Tove
- Ashlin, Louisa Ellen to Ashton, William
- Ashton, William Henry to Aske, Vera
- Askell, Mary to Aspinall, William Henry Harry
- Aspinwall, Carol Jane to Assheton, Charlotte Emma
- Assheton, Christine Anne to Astell, Wynyard
- Asti, Giuseppe d' to Astley, Margaret Louisa
- Astley, Margaret Violet Dorothea to Aston, Margaret
- Aston, Margaret to Astor, Rachel Mary
- Astor, Richard to Atherton, Katherine
- Atherton, Katherine Louisa Clare to Atkin, Keyser
- Atkin, Lillian to Atkinson, Anna
- Atkinson, Anna Barbara to Atkinson, James
- Atkinson, James to Atkinson, Ursula Mary
- Atkinson, Valerie to Attlee, John
- Attlee, John Patrick Hamilton to Aubrey, John, 1st Bt.
- Aubrey, John, 2nd Bt. to Auchinleck, Norine Evelyn
- Auchinleck, Rebecca to Audley, Elizabeth
- Audley, Elizabeth to Augier, Pierre
- Augsburg, Ulrich von to Austen, Marianne
- Austen, Martha to Austin, Phyllis
- Austin, Rachael to Avenal, unknown daughter
- Avenant, Mary d' to Avranches, Vicomte d' (Richard)
- Avril, Léon to Aykroyd, George Hammond
- Aykroyd, George Jack to Aylmer, Anne
- Aylmer, Anne Munro to Aylmer, Inez Amy
- Aylmer, Irene Claire to Aylmer, Winifred Claire
- Aylmer-Hall, Carole Margaret to Ayscough, William
- Aysh, John Dunning to Baber, William
- Babham, John to Babington, Frances
- Babington, Frances to Babington, Philip Alton James
- Babington, Phoebe to Bachrach, Fabian
- Baciocchi, Angela Maria to Bacon, 8th Baronet, of Redgrave, co. Suffolk (Edmund)
- Bacon, 9th Baronet, of Mildenhall, co. Suffolk (Edmund) to Bacon, Lydia
- Bacon, Margaret to Baddeley, Paul Allan
- Baddeley, Paul Bernard to Baden-Durlach, Markgraf von (Georg Friedrich)
- Baden-Durlach, Markgraf von (Jakob III) to Bagenal, George
- Bagenal, George to Bagge, Pleasance Grace Rose
- Bagge, Ralph to Bagnall-Oakeley, William Ralph
- Bagnani, Florence to Bagot, Emily
- Bagot, Emily Georgiana to Bagot, William
- Bagot, William to Bagwell, William Henry
- Bagwell-Purefoy, Arthur Edward to Bailey, Elizabeth Mary
- Bailey, Elizabeth Shân Josephine to Bailey, Melanie Jane
- Bailey, Michael to Baillie, Caroline
- Baillie, Caroline Eliza Montagu to Baillie, Margaret
- Baillie, Margaret to Baillie-Hamilton, Maud Mary
- Baillie-Hamilton, Max Andrew Buchanan to Baillieux, Sarah
- Baillo y Perez Cabello, Cecilia to Bainbridge, Harold Edward
- Bainbridge, Hazel to Baird, Ann
- Baird, Anna to Baird, Mary
- Baird, Mary to Baker, Alfred John
- Baker, Alice to Baker, Elizabeth
- Baker, Elizabeth to Baker, Hubert James
- Baker, Hugh to Baker, Mary
- Baker, Mary to Baker, Tom St. John
- Baker, Trevor John to Balchin, Thomas Aubrey Bernard David
- Balck, Gunhild to Baldwin, John Lindisfarne Alexander
- Baldwin, John Lindisfarne Alexander to Balfe, Victoire
- Balfe, Violet to Balfour, Edith
- Balfour, Edith Sophy to Balfour, John
- Balfour, John to Balfour, Roxane
- Balfour, Roy to Ball, Catherine
- Ball, Catherine to Ball, Richard Oliver
- Ball, Robert to Ballard, William Fitz Randolph
- Ballarin, Alessandro Enrico to Balmer, Thomas
- Balmerino, Master of (unknown) to Balzo, Vincenzo, 3rd Barone di Schiavi
- Bamber, 1st Lord of (William) to Bampfylde, Violet Marcia Catherine Warwick
- Bampton, Charlotte to Band, Susan Maeve
- Bandales, Stephen John to Bankes, Eustace Ralph
- Bankes, Fiona Gillian to Banks, Thomas
- Banks, Thomas to Bannerman, Morag
- Bannerman, Mordaunt to Bar, Yolante de
- Bar-Mousson, Agnes, Comtesse de Blâmont to Barber, Vera Doris Madeline
- Barber, Violet to Barclay, Anna Dorothea
- Barclay, Anna Maria to Barclay, Harriet
- Barclay, Harriet Gillian to Barclay, Rachel
- Barclay, Rachel to Barcroft, Ellen
- Barcroft, Ellen to Bardolf, William, 4th Lord Bardolf
- Bardolfe, Edward to Baring, Alexander St. John
- Baring, Alexander, 1st Baron Ashburton to Baring, Henry Windham Rowland
- Baring, Hortense Eugenie Claire to Baring, unknown daughter
- Baring, unknown daughter to Barker, Christopher Gwynne
- Barker, Christopher James to Barker, Mary
- Barker, Mary to Barkham, William, 3rd Bt.
- Barking, Matilda of to Barlow, Elizabeth
- Barlow, Elizabeth to Barlow, Ralph
- Barlow, Randall to Barnard, George
- Barnard, George to Barnato, Wolf
- Barnato-Kahan, A. to Barnes, James
- Barnes, James to Barnett, Craig John
- Barnett, Cushla to Barnewall, Anne
- Barnewall, Anne to Barnewall, Mabel
- Barnewall, Mabel to Barnfield, Sidney Charles
- Barnham, 1st Baronet, of Boughton Munchensye, co. Kent (Robert) to Barr, Winifred Mary
- Barr-Sim, Andrew John to Barratt, Oswald Horner
- Barratt, Paul to Barrett, John Rollo
- Barrett, Jonathan to Barrett-Lennard, Edmund George
- Barrett-Lennard, Edmund Thomas Dacre to Barrett-Lennard, Siri Anne
- Barrett-Lennard, Sonja to Barrington, Gobart (Sir)
- Barrington, Guy to Barroll Brown, John
- Barroll, Catherine to Barron, Phoebe Elizabeth
- Barron, Pierce to Barrow, John Geoffrey
- Barrow, John James to Barry, Alfred
- Barry, Alfred to Barry, Edmond
- Barry, Edmond to Barry, Henrietta Elizabeth Frances Tress
- Barry, Henry to Barry, Laline Annette
- Barry, Lancelot Durden to Barry, Richard
- Barry, Richard to Barry, William FitzDavid
- Barry, William Gerrard to Bartholomew, William Wadworth
- Bartholoni, Jean Francois to Bartlett, Robert Hardington
- Bartlett, Robyn R. to Barton, Charlotte
- Barton, Charlotte Eileen to Barton, Jane
- Barton, Jane to Barton, Sam Kylash
- Barton, Samuel Henry to Barttelot, Hannah
- Barttelot, Hannah to Barwick, Mary
- Barwick, Peter to Bass, P. A.
- Bass, Pamela Dorothea to Basset, Thomas
- Basset, Thomas to Bastian, William
- Bastide, Charlotte to Bateman, Emma Louise
- Bateman, Esther to Bates, Emma Elizabeth
- Bates, Ethel to Bateson-Harvey, Robert, 1st Bt.
- Bateson-Yarburgh, George William to Bathurst of Bathurst, Countess (Tryphena)
- Bathurst of Battlesden, 1st Baron, co. Bedford (Allen) to Bathurst, Peter
- Bathurst, Peter to Batten, William Henry
- Battenberg, Alexander Albert von to Battye, Wynyard
- Batwell, Jane to Bauntyne, unknown of Corhouse
- Baury, Marie Noelle to Baxter, Edward
- Baxter, Edward to Bayern, Berthold Herzog von
- Bayern, Brigitta von to Bayern, Marie Josephe Antonie Walburga Felicitas Regula
- Bayern, Marie Sophie Herzogin in to Bayern-Straubing, Wilhelm IV von
- Bayerstorff, Baronin von (Marie-Anne-Sophie) to Bayley, Isaac Fenton
- Bayley, Isabel to Bayliss, William
- Bayliss, William Jesse to Bayly, Frederic
- Bayly, Geoffrey Armytage to Bayly, Patrick Uniacke
- Bayly, Paul to Baynes, Roderick Walter
- Baynes, Ronald Christopher to Bayton, William Stevens
- Bazalgette, Angela C. to Beach, Winifred Violet
- Beacham, Ann to Beale, John
- Beale, John Cotton to Beamish, Charity Rebecca
- Beamish, Charles to Beamish, Gillian Antonia Hamilton
- Beamish, Gladys Alice to Beamish, Mary
- Beamish, Mary to Beamish, William Delacour
- Beamish, William Delacour to Beare, Walter Barrington
- Bearinger, Edward to Beattie, Zara
- Beatty, 1st Baron, of the North Sea and of Brooksby, co. Leicester (David) to Beauchamp, Camilla
- Beauchamp, Carla Jenoyce to Beauchamp, Maria Louisa
- Beauchamp, Maria Radford Knight to Beauclerk, Caroline Henrietta Frederica
- Beauclerk, Caroline Janetta to Beauclerk, William
- Beauclerk, William Abdy to Beaujeu, unknown de
- Beaujolais, Comte de (Louis Charles Alphonse Léodegar) to Beaumont, Dorothy
- Beaumont, Dorothy to Beaumont, Isobella
- Beaumont, J. to Beaumont, Robert Bullen
- Beaumont, Robert Henri Louis Charles de to Beauvoir, Richard de
- Beauvoir-en-Arrouaise, Jeanne de to Becher, Edmund Richard Fane
- Becher, Edmund Waldo to Becher, Margaret Joan
- Becher, Margaret Lacy to Beck, Cynthia Norma
- Beck, David Clive to Beckett, Emma Helen
- Beckett, Enid Maud to Beckinsale, Robert Percy
- Beckitt, Joanna Hermione to Beddows, William Michael George
- Bede Cox, Mary to Bedingfeld, Mary
- Bedingfeld, Mary to Beechey, Maude
- Beechey, Nicholas to Beet, Una
- Beetham, Annie Palmer to Begbie, Thomas Stirling (Colonel)
- Begg, Althea to Belaieff, William Serge
- Belalcazer, Francisco de to Belgique, Joséphine Caroline Marie Albertine, Princesse de Belgique
- Belgique, Joséphine Marie Stéphanie Victoire, Princesse de Belgique to Bell, Amy Caroline
- Bell, Amy Elizabeth to Bell, Eliza
- Bell, Eliza to Bell, Isabella Ross
- Bell, Isla Elizabeth to Bell, Margaret Jeanette
- Bell, Margaret Miller to Bell, Ronald
- Bell, Rosalind Boultbee to Bell-Irving, Williamina
- Bell-Whiteford, Isabella to Bellendine, Katherine
- Bellenger, Annette Elizabeth to Bellew, Sibyl de
- Bellew, Sophia to Bellingham, Josephine Maude
- Bellingham, Juanita Maude to Bellows, Bryan
- Bellpuis, Juana to Bembrigg, Thomas
- Bemcourt, Anna Maria to Benckendorff, Paul von
- Benckendorff, Peter Graf von to Benham, William
- Beniac, Andrew to Benn, Zvia
- Bennard, Edith Ellen to Bennett, Alicia
- Bennett, Alison to Bennett, Ellen
- Bennett, Ellen to Bennett, John
- Bennett, John to Bennett, Rebecca
- Bennett, Rebecca to Bennett, Zoë Diana
- Bennett-Jones, Kathleen Sheila to Bennison, Nichola Kowhai
- Bennison, Nola Selwyn to Benson, George Reginald
- Benson, George Reginald to Bent, unknown daughter
- Benthall, Arthur Paul to Bentinck, Elizabeth Adriana
- Bentinck, Elizabeth Mary Wilhelmina to Bentley, Nancy
- Bentley, Pamela Mary to Bercroft, William
- Berdez, Emma Lina Wilhelmina to Beresford, Charles William de la Poer, 1st and last Baron Beresford
- Beresford, Charles Windham de la Poer to Beresford, John
- Beresford, John to Beresford, Sybil de la Poer
- Beresford, Sydney Julia to Berg, Margaretha von
- Berg, Maria Beatrix to Bergh, Zadoc van den
- Berghe von Trips, Eleanore to Berkeley, Christiana
- Berkeley, Christopher Robert to Berkeley, Jessica Rose
- Berkeley, Jessie Emmelina to Berkeley, Rosalind Magdalen Ellen
- Berkeley, Rosamund Mary to Bermingham, Ela
- Bermingham, Eliza Dorothea to Bernadotte, Erik Gustaf Louis Albert, Duke of Västmanland
- Bernadotte, Erika Maria Regina Rosalie to Bernard, Denis John Charles Kirwan
- Bernard, Diana Pearl to Bernard, Ronald Francis
- Bernard, Ronald Percy Hamilton to Berney, Doris Rosemary
- Berney, Dorothy to Berridge, Richard Martin
- Berridge, Robert Lesley to Berry, Peter E.
- Berry, Peter Fremantle to Bertie, Elizabeth
- Bertie, Elizabeth to Bertolini, Josephine Beatrice Seton
- Berton des Balbes, Louis I de to Bessborough, Countess of (Roberte)
- Besse, Huegette de la to Best, Martha
- Best, Mary to Betham, William
- Bethel, Albert Moore to Bethell, Zoe Melisande Slingsby
- Bethell-Codrington, Alice Emily Georgiana Olivia to Bettau, Comte de (Eberhard)
- Bettelley, Roselle to Bevan, David Andrew
- Bevan, David Augustus to Bevan, Michael Van Massy
- Bevan, Millicent Ada to Bevill, Robert
- Bevill, Walter to Beyssac, Marie de
- Beytagh, Dominick to Biberstein, Auguste Antonie Marschall von
- Bibesco, Alexandre to Bickmore, William Frederick
- Bicknell, Anna to Biddulph, Francis Harrison
- Biddulph, Francis Henry, 9th Bt. to Biddulph, Simon
- Biddulph, Simon to Biesterfeld, Graf von (Bernhard)
- Biffen, Baron, of Tanat in the County of Shropshire (William John) to Biggs, Margaret Elaine
- Biggs, Mary to Bill, Wells R.
- Billaney, Gibson to Binder, Stephanie
- Binding, Charles Victor Ormond to Bingham, Clementina Constantia
- Bingham, Constance Letitia Anne to Bingham, Phoebe
- Bingham, Phoebe to Binnington, Timothy John
- Binns, Amalie Trafford Haughton to Birch Reynardson, Richard Francis
- Birch Reynardson, Rosamund Dora to Birch, Mary
- Birch, Mary to Bird, Brigitte Anne
- Bird, Bruce to Bird, Yvonne Swingler
- Birdlake, Brent Daniel to Birkbeck, Ysabel Caroline
- Birkenfeld, Christian I Pfalzgraf von to Birley, Henry Reginald
- Birley, Herbert to Birtwistle, Susan Lennox
- Bisaccia, 1st Duca di (Charles Gabriel Marie Sosthène) to Bishop, Ian Malcolm
- Bishop, Isabel to Bismarck, Wilhelm von
- Bismarck-Schönhausen, Alexander Graf von to Bitters, Joyce
- Bittlestar, David to Black, Evelyn Therese
- Black, F. Marion to Black, William
- Black, William to Blackburn of Killearn, Baron, in the County of Stirling (Colin)
- Blackburn, Alan to Blacker, Elizabeth Anne
- Blacker, Elizabeth Mildred to Blackett, Frances
- Blackett, Frances Vere to Blackie, Wilfred John
- Blacking, John Anthony Randoll to Blackwell, Denise Primrose Garnet
- Blackwell, Donald Eustace to Blackwood, John
- Blackwood, John Francis, 11th Baron Dufferin and Claneboye to Blaikie, William Garden
- Blain, Adrienne Margart to Blair, Leo Charles Augustus
- Blair, Leo George to Blake, Anne
- Blake, Anne to Blake, Elizabeth Honoria
- Blake, Elizabeth Jemima to Blake, Joanna
- Blake, Joanna Harriet to Blake, Mary
- Blake, Mary to Blake, Tonya Carla
- Blake, Ulick Temple, 16th Bt. to Blakeney, Edward
- Blakeney, Edward to Blakeney, Susan Ann
- Blakeney, Susan Maria to Blakiston, John Richard
- Blakiston, John Robert to Blanchard, William James Hume
- Blanche, Isabella la to Bland, James
- Bland, James to Blandford, Marquess of (George)
- Blandford, Marquess of (George) to Blantyre, Master of (Walter)
- Blaque, Jeanne Victoire to Blayney, Robert
- Blayney, Robert to Blennerhassett, Arthur
- Blennerhassett, Arthur to Blennerhassett, Honor
- Blennerhassett, Honora to Blennerhassett, Rosanna
- Blennerhassett, Rosanna to Bligh, Catherine
- Bligh, Catherine to Bligh, William Stoyte
- Blight, Alice to Blois, Ernest Pierrepoint
- Blois, Esmé Ernestine to Blomefield, Norma Ann
- Blomefield, Olive Nestfield to Blood, Edward Maghlin
- Blood, Edward Neptune to Blood, Neptune
- Blood, Neptune to Blood-Smyth, William Whitton
- Bloodgood, Lida Lacey to Blount, Elizabeth Courtnay
- Blount, Elizabeth le to Blow, Winifred Gertrude
- Blower, Alice to Blundell, Doreen
- Blundell, Dorothy to Blunden, William, 6th Bt.
- Blunderstone, Annie Florence to Blunt, Richard Charles
- Blunt, Richard Crowley Tillyer to Blythe, Virginia Dell
- Blythe, William to Bobdy, Tabitha
- Bobinska, Halina to Boddington, William Slater
- Boddion, Wilhelmine Gottliebe Jenny von to Bodvile, Sarah
- Bodville, Mary to Boggess, William Porter III
- Boggis-Rolfe, Alice Catherine to Bohemia, Wratislaw of
- Bohl de Liagre, Olga to Boileau, Raymond Frederic, 4th Bt.
- Boileau, Richard Lestock to Bol, Kieran Gerrit
- Bolado Castilla y O'Donnell, Margo to Boles, Jean
- Boles, Jeremy John Fortescue, 3rd Bt. to Bolitho, William Torquill Macleod
- Bolker, Christina to Bolton, Ellinor
- Bolton, Elwood to Bomanjee, Mehru
- Bomart, Willemina to Bonaert, Hermengilde Louise
- Bonafede, Penelope to Boncourt-Humeroeuille, Maïté de
- Bonczak, Anna to Bond, Lorna
- Bond, Lota to Bonello, Michael Gavin James Stuart
- Boness-Jones, Charles to Bonham, Zoe Virginia
- Bonham-Carter of Yarnbury, Baroness, of Yarnbury in the County of Wiltshire (Jane Mary) to Bonnor-Maurice, Trevor Ivan
- Bonny, Alice to Booker, W. A.
- Bookey, Elizabeth to Boot, William
- Boote, Charles to Booth, Elizabeth
- Booth, Elizabeth to Booth, Jane
- Booth, Jane to Booth, Mary Ann
- Booth, Mary Ann to Booth, William
- Booth, William to Boothby, John Henry
- Boothby, John Joseph to Bootle-Wilbraham, Yvonne
- Boots, Alexander to Borbone, Maria Amelia Teresa, Principessa delle Due Sicilie
- Borbone, Maria Amelia, Principessa di Borbone delle Due Sicilie to Borbón y Rich, Maria Luisa de
- Borbón y Ruiz, Leandro de to Boreel, Jacoba Margaretha Maria
- Boreel, Jacqueline Mary to Borgia, Vannozza
- Borgmann, Caroline Assheton to Boroviczeny de Kisvarda, Orsolya von
- Boroviczeny, Agnes von to Borries, Marguerite Cecilia von
- Borromeo Arese, Carlo to Borthwick, Archibald
- Borthwick, Archibald Patrick Thomas, 20th Lord Borthwick to Borthwick, Mary
- Borthwick, Mary to Borwick, Mary
- Borwick, Mary Anne to Bosanquet, Winifred Eyre
- Bosbach, Bernhard to Bosch Luro, Alberto
- Bosch Peralta Ramos, Maria Luisa to Bostock, Eric Norman
- Bostock, Felix Millington to Bosville Macdonald, Maria Anne
- Bosville Macdonald, Marianne to Bosworth-Smith, Richard Nevil
- Botana y Millares, Felix Ramon Julian to Bothe, William
- Bothmer zu Schwegerhoff, Alexander Adolf Anton Graf und Freiherr von to Bott, William Gibson
- Botta, Julia von to Bouden, Lillian
- Boudewijn, Anja Edith to Boula de Mareuil, Victoire Sophie Marie
- Boulakis, Joanna to Boulton, Charles
- Boulton, Charles to Bourbon, Charles IV de
- Bourbon, Charles IV, Duc de Vendôme to Bourbon, Nicolas
- Bourbon, Olivia de to Bourchier, William, Viscount Bourchier
- Bourcier, Andrew Charles to Bourgogne, Richard 'the Justicer' de
- Bourgogne, Richard, Duc de Bourgogne to Bourke, Geoffrey John
- Bourke, George Deane to Bourke, Rickard
- Bourke, Robert John to Bourne, Henry
- Bourne, Herbert Arthur to Boutell, Mary
- Boutersem, Hendrik VIII van to Bouwens, Theodore Frederick Thomas
- Bouwer, Daryl John to Bowater, William Vansittart
- Bowcher, Ceri Anne to Bowen, Barbara Elizabeth
- Bowen, Barbara Lilian to Bowen, Margaret
- Bowen, Margaret to Bower, Helen
- Bower, Helen to Bowers, William
- Bowes of Clonlyon, 1st Lord, co. Meath (John) to Bowie, Thomas Chalmers
- Bowie, unknown to Bowlby, Thomas
- Bowlby, Thomas to Bowles, Zoe
- Bowley, Eva Gertrude to Bowne, William
- Bowness, Baron, of Warlingham in the County of Surrey and of Croydon in the London Borough of Croydon (Peter Spencer) to Bowyer, James William Paget
- Bowyer, James, 3rd Bt. to Box, William
- Boxall, Arthur to Boycott, Thomas
- Boycun, Alexandria Irene to Boyd, Emma Louise
- Boyd, Ena to Boyd, Leila Jessie
- Boyd, Lenora to Boyd, unknown
- Boyd, unknown to Boylan, Timothy Edward
- Boyland, John de to Boyle, Charles, 4th Earl of Orrery
- Boyle, Charles, Viscount Dungarvan to Boyle, Heather Ann
- Boyle, Helen to Boyle, Lucy Elizabeth
- Boyle, Lucy Isabella to Boyle, Sarah
- Boyle, Sarah to Boynton, William
- Boyrenson, Florence Augusta Marian to Brabant, Winifred Evelyn
- Brabant-Aarschot, Alix, Vrouwe van Aarschot to Brabazon, Mabel Elizabeth Mary
- Brabazon, Margaret to Bracebridge, William
- Bracegirdle, Dorothy I. to Bradbury, Grace Janet
- Bradbury, Gwefyl to Bradford, George
- Bradford, George to Bradley, Heather Alison
- Bradley, Heather Mary to Bradshaw, Gerald Buller
- Bradshaw, Graham John to Brady, Daniel Gerard O'Callahan
- Brady, Delmay Orene to Bragança, John Miguel Guilherme Aloísio Maria José Rafael Gabriel Francisco de Assis Carlos Henrique António Sebastião Huberto
- Bragança, Jose Francisco Xavier, Principe de Brasil to Brain, Susan
- Brain, Susan Mary to Bramhall, Vincent E.
- Bramhill, Susan Patricia to Brand, Henry Bouverie
- Brand, Henry Bouverie William, 1st Viscount Hampden of Glynde to Brandenburg, Otto III Markgraf von
- Brandenburg, Otto IV Markgraf von to Brandolini d'Adda, Yasmin
- Brandolini, Maria to Brandt, Renée Clementine Elisabeth
- Branfill, Anne Eliza to Brasier, Mary
- Brasier, Mary to Brassey, Sybil de Vere
- Brassey, Tania to Braunschweig-Grubenhagen, Wolfgang von
- Braunschweig-Göttingen, Adelheid von to Braunschweig-Lüneburg-Harburg, Wilhelm August von
- Braunschweig-Lüneburg-Kalenberg, Anne Sophie von to Brawley, Robert
- Brawley, Russell to Braybrooke, Gerald de
- Braye, 1st Lord (Edmund) to Breckenridge, Smith
- Breckinridge, Adelaide to Brehenny, Marjory Lorraine
- Brehm, Bernhard Rudolf Friedrich to Brenchley, Thomas Harman
- Brenchly, Geoff to Brereton of Leighlin, Baroness (Mary)
- Brereton, 'Black Jack' to Brereton, Henry
- Brereton, Henry to Brereton, Thomas
- Brereton, Thomas to Breton, Mary
- Breton, Mary to Brett, Virginia Anne Charlotte
- Brett, Walter Kingsley to Brewis, Valerie Anne
- Brewitt, Doris Aileen to Brickwood, William
- Brideoak, John to Bridgeman, Reginald Francis Orlando
- Bridgeman, Richard to Bridges, John
- Bridges, John to Bridson, William Paul
- Brie, Edmund 'Crouchback' de to Brigg, William James
- Brigges, 1st Baronet, of Haughton, co. Salop. (Morton) to Bright, Helen Priestman
- Bright, Honora Phoebe Gertrude to Brims, Sarah Clare
- Brimsfield, Lord of, co. Gloucester (Elias) to Brinsmead-Stockham, Zelda Emily
- Brinson, Brooke Ashley to Brisco, Margaret
- Brisco, Mary to Briscoe, Mathew
- Briscoe, Matthew Robert to Bristow, Timothy Dominic Ian James
- Bristow, Vic to Brizard, Catherine
- Brizzle, Martha to Broadley, Vera Mary
- Broadly, Eleanor Sarah to Brockenshaw, Harvey
- Brocket, 1st Baron, of Brocket Hall, co. Hertford (Charles Alexander) to Brocklehurst, John
- Brocklehurst, John to Brodie, Cecil John
- Brodie, Cecilia to Brodie, Mark Donald Carlyon William
- Brodie, Mary to Brodrick, Katherine
- Brodrick, Katherine Ruth to Broke, Violet Rosemary
- Broke, William to Bromley Davenport, William Arthur
- Bromley, 11th Baronet, of East Stoke, co. Nottingham (Charles Howard) to Bronckhorst, Otto Heer van
- Bronckhorst-Batenburg, Catharina van to Brooke, Ann Isabella
- Brooke, Ann Mary to Brooke, Emily Alma
- Brooke, Emily Grace to Brooke, John, 7th Lord Cobham (of Kent)
- Brooke, Jonathan Keith Lawrence to Brooke, Richard
- Brooke, Richard to Brooke-Pechell, William Henry Cecil George
- Brooke-Smith, Arthur to Brooks, Cheryl Ann
- Brooks, Christine to Brooks, Warwick Leicester
- Brooks, Wendy Angela Suzanne to Broome, William Rowe
- Broomfield, Anne to Brougham, Henry
- Brougham, Henry to Broughton, Frances
- Broughton, Frances Katharine Josepha to Broughton, Zoë Angelique
- Broughton-Adderley, Arthur Ralph Handcock to Broun, Montague Cecil
- Broun, Nancy to Brown, Alicia Anne
- Brown, Aline Mildred to Brown, Clara Dorothy
- Brown, Clara Philipson to Brown, Florence
- Brown, Florence to Brown, Isobel Clare
- Brown, Ivy Edna to Brown, Keith Fyffe
- Brown, Kenneth to Brown, Michelle
- Brown, Michelle to Brown, Ruth Winona
- Brown, Rutledge to Brown, William James
- Brown, William James to Browne, Anne
- Browne, Anne to Browne, Denis
- Browne, Denis to Browne, Euphemia
- Browne, Euphemia Stewart to Browne, Horace A.
- Browne, Howe Peter, 2nd Marquess of Sligo to Browne, Katherine
- Browne, Katherine to Browne, Matilda
- Browne, Matilda Theodosia to Browne, Silvester
- Browne, Silvester, 2nd Bt. to Browne, Winifred Lilian
- Browne-Clayton, Annette Constance to Browning, Jack Leslie
- Browning, Jane to Brownlow, Emily Phyllis
- Brownlow, Emmeline Harriet Annette (Hon.) to Brownrigg, Thomas
- Brownrigg, Thomas Marcus to Bruce, Alexander Fairlie
- Bruce, Alexander Fairlie to Bruce, Charlot Alice
- Bruce, Charlotte to Bruce, Emma Cecilia Rachel
- Bruce, Emma Dorothy to Bruce, Isobel
- Bruce, Isobel to Bruce, Laurence
- Bruce, Laurence, 4th of Cultmalundy to Bruce, Mary Patricia
- Bruce, Mary Rebecca to Bruce, Robert, Baron of Liddesdale
- Bruce, Robert, Lord Broomhall to Bruce-Bell, Robert Harbourne
- Bruce-Brudenell, George, Lord Bruce to Brudenell, Jeremy Alexander Rothwell
- Brudenell, John to Bruen, unknown
- Brueres, Caroline Mary to Brunner, Marjorie Rosamond
- Brunner, Mark Jonathan Irving to Brustad, Mary Lucy
- Bruton, Agnes to Bryan, Susanna
- Bryan, Sybil Catherine to Bryce, Viscountess (Elizabeth Marion)
- Bryce-Smith, Arnold to Brân, Llywarch ap
- Brée, Elizabeth to Buchan, Charlotte Rose
- Buchan, Christian to Buchanan, Andrew of Drumpellier
- Buchanan, Andrew Sinclair to Buchanan, John, 3rd of Leny
- Buchanan, John, 7th of Spittal to Buchanan-Dunlop, William Robert
- Buchanan-Hamilton, Francis of Spittal, Bardowie and Leny to Buckey, Robert Alexander
- Buckham, Christine to Buckler, William Hepburn
- Buckler., Florence Augusta to Buckley, Winifred Rosa Isabel
- Buckman, Andrew Pierre to Buckton, Thomas Frederick
- Bucktrout, Sally to Budes de Guebriant, Marie
- Budes, Alain, Vicomte de Guefriant to Buffett, Estelle Evelyn
- Buffett, Eveline Helena Eva to Buffett, Vanda Marianna
- Buffett, Vanita Claudette to Bulgaria, Toktu of
- Bulgaria, Umberto, Prince of Bulgaria to Bull, Justin Bartholomew Peter
- Bull, Katherine to Bullen, Thomas
- Bullen, unknown to Buller, Wynn Hornby
- Buller-Fullerton-Elphinstone, Anna Maria to Bullock, William John
- Bullock-Marsham, Algernon James to Bulteel, James
- Bulteel, James to Bunbury, Elizabeth Pamela Somers
- Bunbury, Emily Henrietta to Bunn, Zella
- Bunness, Elizabeth Ann to Burbidge, Woodman
- Burbridge, Ann to Burder, Winifred Lilian M.
- Burdett, 10th Baronet, of Birthwaite, co. York (Henry Aylmer) to Burdett, Robert Hugo
- Burdett, Robert, 3rd Bt. to Burford, William
- Burg Schuff, Konrad zu to Burgess, Phyllis Walker
- Burgess, Rachel to Burgh, Henrietta
- Burgh, Henry to Burgh, Thomas de
- Burgh, Thomas de to Burgoyne, Hugh Talbot, V.C.
- Burgoyne, Jane to Burke, Eleanora
- Burke, Eliza to Burke, Margaret
- Burke, Margaret to Burke, Zara Sheree
- Burke-Roche, Primrose Eda to Burn, Ruth Evelyn
- Burn, Stanford to Burne, Thomas Edward Francis
- Burne, William Christopher Higgins to Burnett, Andrew John Hanson
- Burnett, Andrew of Elrick to Burnett, Mary Erskine
- Burnett, Mary Gascoigne to Burnham, Viscountess (Olive)
- Burnie, Kenneth A. McKercher to Burns, Winifred
- Burns-Hartopp, Anna Elizabeth to Burrell, Elizabeth Anne
- Burrell, Elizabeth Julia Georgiana to Burrough, Mary Emily J.
- Burrough, Mary Lucy to Burrowes, Loftus Otway
- Burrowes, Louisa to Burrows, Yvonne Winifred
- Burrus, Christian to Burton, Brenda
- Burton, Bridget Anne to Burton, Martha
- Burton, Mary to Bury, Charles
- Bury, Charles to Busby, William Beaumont
- Busca, Elena di to Bushe, Zara
- Bushehri, Ashraf ol-Molouk to Buswell, Pamela Gwendolyn
- Buszard, Marston to Butler, Alan David
- Butler, Alban to Butler, Caroline
- Butler, Caroline to Butler, Edmund, 1st/11th Baron Dunboyne
- Butler, Edmund, 2nd Baron Caher to Butler, Ellen
- Butler, Ellen to Butler, Hector Charles
- Butler, Helen to Butler, James Hubert Theobald Charles, 7th Marquess of Ormonde
- Butler, James Humphrey to Butler, Katherine
- Butler, Katherine to Butler, Mary
- Butler, Mary to Butler, Pierce Edmond Creagh, 11th/21st Baron Dunboyne
- Butler, Pierce Henry to Butler, Sophia
- Butler, Sophia to Butler, unknown son
- Butler, unknown son to Butler-Danvers, unknown
- Butler-FitzGerald, Frederick FitzGerald to Butt, Pauline Lillian
- Butt, Peter to Butterfield, William John Hughes, Baron Butterfield
- Butterick, Cerise Willard to Butts, William Minchin de
- Butturini, Andrew Anthony to Buxton, Geoffrey Fowell
- Buxton, Geoffrey Mungo to Buxton, Nathaniel
- Buxton, Nicholas Andrew to Buzzard, Rachel Mary
- Buzzard, Richard Bethune to Byl, Yvonne Doris van der
- Bylander, Sten to Byng, Julienne Wyllie
- Byng, Karen Elizabeth to Byrne, Eliza
- Byrne, Eliza to Byron of Rochdale, Baroness (Lucy Elizabeth Jane)
- Byron of Rochdale, Baroness (Mary) to Byrum, Therese Martini
- Byset, Isabel to Cable, William Noel
- Cable-Alexander, Claire to Caddell, Karen
- Caddell, Katherine to Cadman, Lucy Lloyd
- Cadman, Marguerite Betty to Cadogan, William, 1st Earl Cadogan
- Cadoux-Hudson, Daniel Patrick to Cahill, William James
- Cahiravahilla, 1st Viscount (Dominick) to Cairnes, James Christopher
- Cairnes, James Elliot to Cairns, Trevor
- Cairns, Ulla Agneta to Caldecott, John Andrew
- Caldecott, John Leslie to Caldwell, Lloyd
- Caldwell, Louisa to Callaghan, Jesse
- Callaghan, Jessica to Callender, William Stuart
- Caller, Harriett to Calver, Peter
- Calverd, unknown to Calvert, Michael
- Calvert, Michael Jeffrey Hugh to Cambridge, Charles Owen
- Cambridge, Charles Valance to Cameron, C.
- Cameron, Camilla Louise to Cameron, Heather
- Cameron, Heather to Cameron, Mary
- Cameron, Mary to Camidge, Thomas Simpson
- Camillo, Maria Camilla Giulia Francesca to Campbell, 4th Baronet (Michael Mussen)
- Campbell, 4th Baronet, of Aberuchill (Alexander) to Campbell, Alfred Corkran
- Campbell, Alfred Douglas to Campbell, Archibald
- Campbell, Archibald to Campbell, Caroline Elizabeth
- Campbell, Caroline Elizabeth Villiers to Campbell, Colin
- Campbell, Colin to Campbell, Doreen June
- Campbell, Dorian Isobel to Campbell, Elizabeth
- Campbell, Elizabeth to Campbell, F. W. (Major)
- Campbell, Fanny to Campbell, Guy Colin
- Campbell, Guy Colin, 4th Bt. to Campbell, Isabel
- Campbell, Isabel Annie to Campbell, Jane, Baroness Campbell of Surbiton
- Campbell, Janet to Campbell, John
- Campbell, John to Campbell, John, 7th of Knockbury and 11th of Kilberry
- Campbell, John, 8th of Skipness to Campbell, Madeline Georgina Annie
- Campbell, Madeline Lowe Reid to Campbell, Marion
- Campbell, Marion to Campbell, Mary Scarlett
- Campbell, Mary Snell to Campbell, Patrick of Monzie
- Campbell, Patrick of Monzie to Campbell, Sarah Poytress
- Campbell, Sarah Victoria to Campbell, Violet Katherine
- Campbell, Violet Lilian (Hon.) to Campbell-Grove, Taise Alexandra
- Campbell-Harris, Alastair Neil to Campbell-Smith, Loyezeleur
- Campbell-Tanner, Jean Rae to Campo Mayor, Marquez de (William Carr)
- Campo Mello y Urrutio, José Murrieta, Marqués de Santurce to Candy, Virginia Marjorie
- Cane Wilkinson, Claire Felicity du to Cannell, Patrick
- Cannell, Patrick to Cannons, Linda Geraldine
- Canny, Anna to Cantwell, Stephen Joseph
- Canty, Ann to Capell, Caroline
- Capell, Caroline to Capon, unknown
- Caporn, Thelma Iolanthe to Caravadossi, Vittoria
- Caravallo, Ines to Carden, Charles Anthony
- Carden, Charles Edward to Carden, Melinda Jane
- Carden, Michael Humphrey to Cardew, William Victor
- Cardew-Kelley, Arthur Maxwell to Carew, Andrew James
- Carew, Anne to Carew, Margaret
- Carew, Margaret to Carey, Carlos George Maxwell
- Carey, Caroline to Carey-Hulyer, Alexander
- Carey-Thomas, E. Barbara to Carleton, Henry Alexander
- Carleton, Henry Anthony to Carlisle, Rin Aillé Eidel Marie
- Carlisle, Rosanna Elizabeth Molly to Carlyon, Emma
- Carlyon, Emmeline Mabel to Carmichael, Annabella
- Carmichael, Annabella Violet to Carmichael, Margaret
- Carmichael, Margaret to Carne, George Newby
- Carne, George Power to Carnegie, Elizabeth Margaret
- Carnegie, Elizabeth Mary to Carnegie, Rachel
- Carnegie, Rachel Alexandra to Carneys, William de
- Carnicer-Guerra, Catalina (Doña) to Carpenter, George, 2nd Earl of Tyrconnell
- Carpenter, Gladys Irene to Carr, Edward
- Carr, Edward to Carr, Richard Charles Lascelles
- Carr, Richard Coburn to Carrega Bertolini, Pier Francesco
- Carrel, Christopher James to Carrington, Phillip
- Carrington, Polly to Carroll, Vincent Benedict
- Carroll, Vincent Bertrand to Carson, Sophie Joslyn
- Carson, Sophie Katherine to Carter, Edward Augustus
- Carter, Edward Jack Onslow to Carter, Leonora Sophia
- Carter, Leslie to Carter, William
- Carter, William to Cartwright, Hugh William
- Cartwright, Hugo to Carver, Mary
- Carver, Mary Elizabeth to Cary, John
- Cary, John to Caryll, Thomas
- Carysfort, 1st Baron, of Carysfort, co. Wicklow (John) to Casement, Elizabeth
- Casement, Elizabeth to Casey, unknown
- Casgrain, John V. to Cassidy, Gladys
- Cassidy, Helen Maree to Castell-Castell, Fürst
- Castell-Castell, Fürst zu (Friedrich Karl) to Castellanos Esquiu Cornejo, Alfonso Eduardo
- Castellanos Esquiu, Alfonso Eduardo to Castille de Montjeu, Marie Elizabeth Sophie de
- Castille, Daniel Yvan to Castlemaine of Moydrum, Baroness (Rebecca Ellen)
- Castlemaine, 1st Earl of (Roger) to Catalan, Maurice
- Catalano, Debbie to Cathcart, Jane
- Cathcart, Jane to Catlow, Thomas Noel
- Catmull, Bridie Erin to Cattell, Thomas (Reverend)
- Catterall, Ann to Caulfeild, Frances
- Caulfeild, Frances to Caulfeild, William Montgomerie Stewart
- Caulfeild, William Talbot McClintock to Cavan, unknown daughter
- Cavanac, Marquise de (Anne) to Cave, Joy Mary
- Cave, Joyce to Cave-Browne, William Henry
- Cave-Browne-Cave, Adrienne to Cavenagh, Wentworth Odiarne
- Cavenagh-Mainwaring, Constance Mary to Cavendish, Frances
- Cavendish, Frances to Cavendish, Rupert Edward Greville
- Cavendish, Rupert William to Cavriani, Terezia
- Caw, Betty to Cayley, Anna
- Cayley, Anne to Cayley, Mary Florence Louvain
- Cayley, Mary Josephine to Cazalet, Marianne
- Cazalet, Marianne Amelia to Cecil, David, 3rd Earl of Exeter
- Cecil, Davina Mary to Cecil, Ruth
- Cecil, Ruth Elizabeth to Cerda, Marie de la
- Cerdan y Lopez, Francisco to Chadwick, Finbarr
- Chadwick, Frances to Chalandaer, Pierre-André de
- Chalandon, Elaine to Chalmers, Thomas
- Chalmers, unknown to Chamberlain, Edgar Warner
- Chamberlain, Edith to Chamberlayne, Zoë E.
- Chamberlayne-Macdonald, Alexander Nigel Bosville to Chambers, Raewyn Margaret
- Chambers, Richard to Chambré, William Wickham Meredith
- Chamcham, Ann Lucy to Champigny, Odette
- Champion de Crespigny, 1st Baronet (Claude) to Champneys, William Weldon (Very Rev.)
- Champniss, George to Chancellor, Robert Duff
- Chancellor, Robert of Shieldhill to Chanler, William Chamberlain
- Channell, Arthur to Chaplin, William
- Chaplin, William to Chapman, Florence Maria
- Chapman, Frances to Chapman, Olga
- Chapman, Olive Mary Gary to Chappell, Lynette Kathleen
- Chappell, Mabel to Chappuis, Jean-Baptiste
- Chappuis, Jean-Marie to Charkham, Moira Elizabeth Frances
- Charlecote, Thurstane de to Charley, Jane
- Charley, Jane Mary Isabella to Charlton, unknown
- Charlton, unknown to Charteris, Francis Richard, 10th Earl of Wemyss
- Charteris, Francis Richard, Lord Elcho to Chartres, Mark
- Chartres, Mark to Chastel de la Howarderie, Yvonne du
- Chastel, Louis de to Chatterton, Penelope Jocelyn
- Chatterton, Peter James to Chavanne, Rudolf Edler von
- Chavasse, Ada Martha to Chaworth, William
- Chaworth-Musters, Anthony to Chaytor, Thomas
- Chaytor, Thomas to Cheesbrough, J. W.
- Cheese, Amy Maria to Chenevix Trench, Mary Elizabeth
- Chenevix Trench, Mary Elizabeth Catherine to Cheremetieff, Peter
- Cherett, Diana to Chesshyre, William John
- Chessmer, Jennifer Anne to Chester-Master, William Alfred
- Chesterfield, 10th Earl of, co. Derby (Edwyn Francis) to Chetwode, Richard
- Chetwode, Richard to Chetwynd, Katharine Adelaide
- Chetwynd, Katharine Margaret to Chetwynd-Stapylton, Miles Edward
- Chetwynd-Stapylton, Miles Richard John to Chevallier, Isabel
- Chevallier, Isabella Frances to Cheverton, Neville Courtenay
- Cheveux, Jocelyne to Cheyne, William, 2nd Viscount Newhaven
- Cheyney, Alice to Chichester, Barbara
- Chichester, Beatrice to Chichester, John
- Chichester, John to Chichester-Clark, Thomas Finn
- Chichester-Constable, Basil Henry to Child, Theophilus
- Child, Thomas to Childs, Wendell S.
- Chilham, Baron of (Richard) to Chipman, Warwick
- Chippendale, Charlotte to Chisholm, Thomas
- Chisholm, Thomas to Chitty, Thomas Willes, 3rd Bt.
- Chitty-Thomas, Eve to Cholmley, Mary
- Cholmley, Mary to Cholmondeley, Ruth Mary Clarisse
- Cholmondeley, Sally A. to Christensen, Viggo
- Christian, 'Big Charlie' to Christian, Charles Allen
- Christian, Charles Anthony to Christian, Emma
- Christian, Emma to Christian, Hilda Eva
- Christian, Hilda Owen to Christian, Katherine
- Christian, Kathleen to Christian, Michelle
- Christian, Mildred to Christian, Tess Cecilia
- Christian, Thelma Adella to Christie, Herbert Hight
- Christie, Hugh Lindsay to Christoforetti, Timon
- Christoforides, Christofor to Chudleigh, Yvonne
- Chudy, Margaret Maud to Churchill, Henrietta, Duchess of Marlborough
- Churchill, Henry to Churton, Zara Fleur
- Chute, 1st Baronet, of Hinxhill Place, co. Kent (George) to Cicogna Mozzoni, Nicolo
- Cicognara, Laura Caterina to Clairmonte, Mary Elizabeth Annie
- Clam und Gallas, Christiane Gräfin von to Clanwilliam, Viscountess of (Theodosia)
- Clapcote-Lisle, Hester to Clare, Winifred Joan
- Clarebrough, Francis Steven to Clark, Alexander Jackson
- Clark, Alexander Jackson to Clark, Edith Evelyn
- Clark, Edith Maria to Clark, Jacobina Reid
- Clark, Jacque Louise to Clark, Margaret Doreen
- Clark, Margaret Elizabeth to Clark, Sarah G.
- Clark, Sarah Jane to Clarke, Agnes
- Clarke, Agnes to Clarke, Charles Richard Spencer
- Clarke, Charles Samuel to Clarke, Fiona Mary
- Clarke, Fiona Mary to Clarke, Jane
- Clarke, Jane to Clarke, Martin Richard
- Clarke, Mary to Clarke, Rose
- Clarke, Rose to Clarke, William
- Clarke, William to Clary, Penelope Jane
- Clas, Nina to Clay, Diana
- Clay, Diana to Clay, Winifred
- Claybaugh, Martin to Clayton, Gilbert Falkingham
- Clayton, Gilbert Falkingham to Clear, Susan
- Cleary, Angus Peter to Clegg, James Richard Barwick
- Clegg, Jean Kathleen Mary to Clement, Yves
- Clement-Jones, Baron, of Clapham in the London Borough of Lambeth (Timothy Francis) to Clements, Robert Nathaniel
- Clements, Robert, 1st Earl of Leitrim to Clerk, Cécile
- Clerk, Danie to Clerk, Sydney Percy
- Clerk, Sylvia Cecilia Maria to Clerke, William, 9th Bt.
- Clerkington, Lord (William) to Cleveland, Susan
- Cleveland, Susan Sophia to Clifford, 5th Lord (Richard)
- Clifford, 5th Lord (Roger) to Clifford, Henry
- Clifford, Henry to Clifford, Thomas, 6th Lord Clifford
- Clifford, Thomas, 8th Lord Clifford to Clifton, Gervase
- Clifton, Gervase to Climenson, J.
- Climie, Colin George to Clinton, Joan
- Clinton, Joan to Clive, Colin George
- Clive, Edward to Cloete, William Dundas
- Cloeté, Joanna Catherine to Close, William Taliaferro
- Close-Brooks, Alice Martha to Clow, William Ellsworth II
- Clowden, Sarah to Cluett, George Bywater II
- Cluff, Maude Edith to Clydesdale, Marquess of (William)
- Clydesmuir, 1st Baron, of Braidwood, co. Lanark (David John) to Coates, Jean Ann Dorothy
- Coates, Jo-Ann to Coats, Mary Mackenzie
- Coats, Mary Manuela to Cobbe, James Marshall
- Cobbe, Jane to Cobbold, unknown son
- Cobbold, unknown son to Cochran, Ursula Rose
- Cochran-Patrick, Andrew Gavin Harold to Cochrane, Douglas Robert Hesketh Roger
- Cochrane, Douglas Thomas Archibald Nelthorpe to Cochrane, Katherine
- Cochrane, Katherine to Cochrane, Vere
- Cochrane, Victoria Louise to Cockburn, Corinne
- Cockburn, Daisy Alice to Cockburn, Mary
- Cockburn, Mary to Cockerell, William Michael Victor Lewis
- Cockerill, Benjamin Dacre to Cocks, Jonathan Somers
- Cocks, Joseph to Coddington, Robert
- Coddington, Robert to Codrington, William, 2nd Bt.
- Codrington, William, 3rd Bt. to Coffin, Julieanna Marianna
- Coffin, Leonora Gertrude to Coghlan, Thomas
- Coghlan, Thomas to Cohen, Marianne
- Cohen, Marritje to Cokayne, Thomas
- Cokayne, Thomas to Coke, Patricia
- Coke, Phyllis Hermione to Colbeck-Welch, James Edward Mcleod
- Colbert, Brent Patrick John to Colclough, Eleanor
- Colclough, Eleanor to Coldham, Simon Frederick Russell
- Coldicott, Ann to Cole, Georgiana
- Cole, Georgina to Cole, Valerie
- Cole, Valerie to Coleman, Christopher Kenneth
- Coleman, Clare Anne to Coleridge, Margaret Frances
- Coleridge, Marguerite Georgina to Colfox, William Philip, 1st Bt.
- Colgan, Catriona Claire to Colleton, unknown daughter
- Collett, 1st Baronet, of Bridge Ward in the City of London (Charles Henry) to Colley, Gerald
- Colley, Grace to Collier, William Oswald
- Collier-Wright, Charles Edward Hurrell to Collins, Annette
- Collins, Annie to Collins, Joshua Phillip
- Collins, Judith to Collinson, W. E.
- Collis, Agnes to Collum, Susannah
- Collyar, Helen Mary to Colomb, unknown
- Colomb, Wellington to Colquhoun, John of Luss
- Colquhoun, John of Luss to Colt, James
- Colt, Jane to Colthurst, Mary
- Colthurst, Mary to Colvile, William Charles James
- Colvile, William of Hillside and Blair to Colville, Dorothy
- Colville, Dorothy Louisa to Colville, Robert John
- Colville, Robert John James to Colyton, Baroness (Philippa J.)
- Coman, Mary to Comisar, Paula Maria Pavlovna
- Comissariat, Hormusji to Compton, Frances Elizabeth
- Compton, Francis to Comyn, Geraldine Mary
- Comyn, Harriet to Concannon, W. A.
- Concanon, Edmond John to Congalton, William
- Congalton, William of that Ilk to Coningsby, Humphrey
- Coningsby, Humphrey to Connaught, Lord of (Walter)
- Connaughton, Annis Rosemary Georgina to Conner, Kathleen Louisa
- Conner, Kyria Ann to Connor, Michael
- Connor, Murray to Consett, Winifred Edith
- Considine, Anna to Constable, Mary Anne
- Constable, Mary Barbara to Constantine, Stella Helena
- Constantine, Stephen to Conway, Elizabeth
- Conway, Elizabeth to Conyers, Elizabeth
- Conyers, Elizabeth to Conyngham, Olivia Phoebe
- Conyngham, Patrick to Cook, George
- Cook, George to Cook, Vernon Edward
- Cook, Veronica to Cooke, Elizabeth
- Cooke, Elizabeth to Cooke, Margery Marianne
- Cooke, Maria to Cooke, Zara Cynthia
- Cooke-Collis, Amalie Elizabeth to Cookman, Helen Dorothy Mary
- Cookman, Helen June to Coombe, Susan Marjory
- Coombe, Thomas Melrose (Sir) to Cooper, Anne
- Cooper, Anne to Cooper, Dylan Michael
- Cooper, Dylan Scott to Cooper, Helen Margaret
- Cooper, Helen Mary to Cooper, Mabel
- Cooper, Mabel Alice to Cooper, Robert
- Cooper, Robert Bransby to Cooper, Zoe Catherine
- Cooper-Chadwick, Ada Mary to Coote, Charles Henry, 9th Bt.
- Coote, Charles James to Coote, Ralph Brabazon
- Coote, Rebecca Lynne to Copeland, Margaret
- Copeland, Margaret to Coplestone, Mary
- Coplestone, Mary to Coppinger, William
- Coppins, Ivan to Corbeil, William, Comte de Corbeil
- Corbet of Linchlade, Viscountess, co. Buckingham (Sarah) to Corbett, Jennifer Dingley
- Corbett, Jennifer Mary to Corby, William S.
- Corby-Tuech, Catherine to Cordy-Simpson, Zoë Finovola
- Coredo, Elisabeth Alexandra Marianne Paula Coreth zu to Cormack, Lucinda Claire
- Cormack, Lynda Anne to Corney, Thomas
- Cornez, Fanny Evelyn le to Cornwall, Janet Denyse
- Cornwall, Joan to Cornwallis, Margaret Dorothy
- Cornwallis, Maria Isabella to Corrin, William
- Corrington, Cynthia Ross to Cortes, Marie Thérèse Winoque Dominique de
- Cortese, Maria Luisa to Coryton, Joan Elizabeth Loveday
- Coryton, John to Cosgrove, Tracy Elinor
- Cosham, Frances to Costobadie, James Palliser
- Costobadie, John de to Cotter, Annie Charlotte
- Cotter, Anthony Derek Kyle to Cotter, Kevin Michael
- Cotter, Lark Ellen to Cotterell, William John Geers
- Cotterham, Countess of (Sybil Venetia) to Cotton, Charlotte French
- Cotton, Charlotte Gordon to Cotton, Liam James
- Cotton, Lillie to Cotton, Willoughby Lynch
- Cotton-Jodrell, Dorothy Lynch to Couldrey, Stanley
- Couldwell, Genevieve Christine to Couper, George
- Couper, George Ebenezer Wilson, 2nd Bt. to Courage, Margaret Helena
- Courage, Margaret Louise to Courcy, John, 9th Lord Courcy of Kinsale
- Courcy, Juliana de to Courtauld, William Julien, 1st Bt.
- Courtauld-Thomson, 1st Baron, of Dorneywood, co. Buckingham (Courtauld Greenwood) to Courtenay, Hugh, 3rd Lord Courtenay
- Courtenay, Hugh, 4th Earl of Devon to Courtene, Peter, 1st and last Bt.
- Courteney, Jocelyn Louise to Cousans, Susan Eva
- Cousens, Ada Mary to Coventry, Catharine
- Coventry, Catharine Nora to Coventry, Mary Alicia
- Coventry, Mary Augusta to Cowan, George
- Cowan, Gladys Rosalind to Cowen, Shelagh Mary
- Cowen, Shirley Rose to Cowley, Dorothy Sybil Gertrude
- Cowley, Dudley to Cowper, William, 2nd Bt.
- Cowper-Coles, Constance to Cox, H. Peter B.
- Cox, H. R. to Cox, Rupert Lyttelton
- Cox, Ruth to Coyney, Walter Hill
- Coysgarne-Sim, Alice Mary to Craddock, Walter
- Cradock, Alice to Craig, Diana Mary
- Craig, Dorothy to Craigavon, Viscountess (Cecil Mary Nowell Dering)
- Craighall, Lord (John) to Cramer, William
- Cramer-Klett, Anna Chariklia von to Cranage, Lawrence
- Cranborne, 10th Viscount, co. Dorset (James Edward Hubert) to Cranmer-Byng, Sheila Margaret
- Cranmer-Kenrick, George to Craufurd, Daniel
- Craufurd, David of Kerse to Craven, Godfrey Leopold
- Craven, Gwendoline Irene to Crawford, Amoretta
- Crawford, Anabel to Crawford, Grace Hendry
- Crawford, Guy M. A. to Crawford, Master of (Alexander)
- Crawford, Matthew to Crawfurd, John of Milton
- Crawfurd, Katherine to Crawley, Margaret Freda
- Crawley, Margaret Matilda to Crawshaw of Crawshaw, Baroness (Mary Ethel)
- Crawshaw, Alice to Creagh, John
- Creagh, John to Credland, Sarah Louise
- Cree, Andrew to Crenell, unknown
- Crengle, Rhonda to Creswell, Thomas
- Creswick, Alec to Crewe, Willoughby
- Crewe-Milnes, Annabel Hungerford to Crichton, Constantine Hotham
- Crichton, Cyril to Crichton, Lucy
- Crichton, Mabel Florence Mary to Crichton-Stuart, Eliza Rose
- Crichton-Stuart, Elizabeth Caroline to Cripps, Henry Harrison
- Cripps, Henry Lawrence to Crispe, William
- Crispin, B. to Croasdaile, William
- Croatia, Duke of (Almus) to Croft, Edmund Hugh Glendower
- Croft, Edward to Croft, Nancy Barbara Kathleen
- Croft, Nancy Beatrice to Crofton, Alice Addison
- Crofton, Alice Frances to Crofton, Harriet Sophie
- Crofton, Harry to Crofton, Rose Sophia
- Crofton, Ross Blake to Crofts, Mary
- Crofts, Mary to Croker, Edward
- Croker, Edward to Crombie, John
- Crombie, John Harvey Forbes to Crompton-Inglefield, Rosemary
- Crompton-Roberts, Charles Henry to Crone, Jane
- Crone, Jane Margaret to Crook, Kathleen
- Crook, Mary to Crookshank, William Thomas
- Croom-Johnson, Barbara to Crosbie, Diana
- Crosbie, Diana Sara to Crosbie, William John
- Crosbie, William Richard, 7th Bt. to Cross, Elizabeth
- Cross, Elizabeth to Crosse, Mary da Costa
- Crosse, Philip to Crossman, Kay Robina
- Crossman, Lucy Elizabeth Garfield to Crow, William Thomas Adamson
- Crowcher, Elizabeth to Crowther, Ronald Oakes
- Crowther, Stanley to Croy, Yolande Marie Ernestine Emma Isabelle
- Croy-Chimay, Catharina van to Croÿ, Clemens Anton Philipp Joseph Prinz von
- Croÿ, Clemens Franz Carl Anslem Prinz von to Croÿ, Yolande Marie Ernestine Emma Isabelle Prinzessin von
- Croÿ-Aerschot, Philipp II Herzog von to Crussol, John Charles, Duke of Uzés
- Crust, Charles to Cubitt, Fanny
- Cubitt, Fede Maria to Cuesta, Jorge Gattino
- Cuevas, Mercedes to Cullen, Cassandra
- Cullen, Catherine to Culley, Vibeke Jane
- Culliford, Elizabeth to Culwen, Margaret
- Culwen, Patric de to Cuming, Victoria Helen
- Cumings, Anthony Roy Frank to Cummins, Cynthia Mary
- Cummins, Deirdre Dorothea to Cunard, William Samuel
- Cuncliffe, Ann to Cuninghame, Alexander
- Cuninghame, Alexander to Cuninghame, Mauld
- Cuninghame, Nicola to Cunliffe, Lettice Frederica
- Cunliffe, Linda Carol to Cunliffe-Owen, Violet
- Cunliffe-Smith, Charles to Cunningham, Kenneth Edward
- Cunningham, Kinnaird St. Clair to Cunninghame, William of Cunninghamehead, 3rd Bt.
- Cunnington, Jane to Cuppage, Georgina Daphne Cecil
- Cuppage, Gillean Mary to Curling, Victoria Margaret
- Curney, Grace to Currey, Edith Ebden
- Currey, Edith J. to Currie, Hugh
- Currie, Hugh Penton to Curry, unknown
- Curry-Towneley-O'Hagan, Dickon Padraic to Curtis, Florence Helena
- Curtis, Florence Lucy Cotton to Curtis, Rowena Mary
- Curtis, Russell Andrew Hamilton to Curwen, Thomas
- Curwen, Thomas to Curzon, Louise Merrill
- Curzon, Lucinda Rose to Cusack, Igor
- Cusack, Ismay to Cust, Louisa Mary Ann
- Cust, Lucy to Cutler, Elizabeth
- Cutler, Elizabeth Ann to Cuyler, Theresa Caroline
- Cuza, Alexander Al. Ioan to Czernin von und zu Chudenitz, Karl Eugen Graf
- Czernin von und zu Chudenitz, Karl Maria Joseph Graf to D'Arcy, Anthony
- D'Arcy, Anthony Alistair to D'Arcy, Louisa
- D'Arcy, Louisa Alicia to D'Arcy-Irvine, William D'Arcy
- D'Arms, Edward Justin to Daborne, Maud
- Dabridgecourt, Alice to Dadley, Steven Ronald David
- Dadonville, Auguste to Daish, Joan Eleanor
- Dakeni, Baldwin to Dalgety, Thomas Arthur
- Dalgish, Alexander Augustus to Dallas, Molly Estelle
- Dallas, Nigel Alexander to Dalrymple, Anna Gertrude
- Dalrymple, Anna Mary to Dalrymple, Margaret Elisabeth
- Dalrymple, Margaret Jane to Dalrymple-Hay, Kenneth Houston
- Dalrymple-Hay, Laura Mary Edith Catherine de Bouillion to Dalton, Lynn Mara
- Dalton, Mabel to Daly, Charles Anthony
- Daly, Charles de Burgh to Daly, Kathleen
- Daly, Kathleen to Dalyell, William Cunningham of the Binns, 7th Bt.
- Dalyngridge, Edward to Dalzell, William of that Ilk
- Dalziel of Kirkcaldy, 1st Baron, of Marylebone, London (James Henry) to Dampierre, Guillaume II, Seigneur de Dampierre
- Dampierre, Guillaume, Heer van Dendermonde en Crèvecoeur to Dane, Eleanor Sophie Campbell
- Dane, Elgiva Kate to Daniel, Henry Edward
- Daniel, Henry George to Daniell, Horace C. M.
- Daniell, Humphrey Averell to Danneskjold-Samsöe, Ulrik Adolph
- Dannett, Anne to Darby, Deborah
- Darby, Edmund to Darcy and Conyers, Lord (Thomas)
- Darcy de Knayth, 10th Lord (Robert) to Darcy, William
- Darcy-Osborne, Francis Godolphin to Darell-Brown, Violet Polly
- Daresbury, 1st Baron, of Walton, Chester (Gilbert) to Darling, Robert James Cyprian
- Darling, Robert Julian Henry, 3rd Baron Darling to Darrigan, Michael
- Darroch de Haldevang, Harriet Katharine Elisabeth to Darwin, Frances Crofts
- Darwin, Frances Sarah to Dashwood, Elizabeth
- Dashwood, Elizabeth Cassels to Dashwood, Sarah
- Dashwood, Sarah to Dauncey, William de Alneto
- Daundeley, Joan to Daunt, Susanna
- Daunt, Swithin to Davenport, Ormus de
- Davenport, Pamela Margaret Enid to David, Rhys Hir ap
- David, Richard Sebastian to Davidson, Hayley Allana
- Davidson, Heather to Davidson, Susanna Mary
- Davidson, Sybil Gwendoline to Davies of Stamford, Baroness (Chantal Carolyn)
- Davies, 1st Baron, of Llandinam, co. Montgomery (David) to Davies, Elizabeth
- Davies, Elizabeth Helena to Davies, John William
- Davies, Jonathan Henry to Davies, Richard Michael
- Davies, Richard Peter Owen to Davies-Cooke, Kathleen Mabel
- Davies-Cooke, Kathleen Mary to Davis, Dora
- Davis, Doris Amy to Davis, Lesley Frances
- Davis, Letitia to Davis, Weston Brocklesby
- Davis, Whitney to Davison, William Leslie Walter
- Davison-Bland, Colonel Frederick Milbanke to Davy, Willmott
- Davy-Davies, Alice to Dawkins, Cristina Mary
- Dawkins, Diana Constance to Dawnay, Julie Katharine
- Dawnay, Katharine Julian to Dawson, Eleanor
- Dawson, Eleanor to Dawson, Mary Ann
- Dawson, Mary Anna Isabella Wilhelmina to Dawson-Damer, Phoebe Isobel Seymour
- Dawson-Damer, Phoebe Luisa to Day, Robert D'Eyncourt
- Day, Robert Godfrey to Deacon, Elizabeth Anne Primrose
- Deacon, Elizabeth Jane to Dealtry, William
- Dean of Beswick, Baron, of West Leeds in the County of West Yorkshire (Joseph Jabez) to Dean-Pitt, William Augustus
- Deane, 10th Baronet (Robert Matthew FitzMaurice) to Deane-Morgan, Robert Tilson FitzMaurice
- Deane-Spread, Dorothy Grace to Dease, William Henry
- Deasey, Barbara Claire to Dechert, James F.
- Dechmont, 1st Baron (George) to Deedes, Melesina Gladys
- Deedes, Philip to Degenfeld-Schonburg, Martha von
- Degenfeld-Schonburg, Martin Konrad August Christopf Friedrich Adalbert Maximilian Graf von to Delamain, W. T.
- Delamar, Mary to Delaryd, Lisa A. M.
- Delaselle, Jean Isador to Delmege, Frances Maria Constance
- Delmege, Geneifa Alice to Demaine, Anthony
- Demaine, Anthony to Demarest, William Remsen
- Demarez, Mary to Denby, Ralph Batchelor
- Dench, Lynette to Dening, Lea Rachael
- Dening, Lewis to Denison-Pender, Vanessa
- Denison-Smith, Anthony to Denmark, Frederik VII of
- Denmark, Frederik VIII of to Denning, William Poyntz
- Dennis, Adolphus Lambert to Dennis, Susanna
- Dennis, Susanna Louisa to Denny, Edward
- Denny, Edward to Denny, Susan Elizabeth
- Denny, Suzannah Caroline to Dent, Teresa
- Dent, Thomas to Deramore of Belvoir, Baroness (Violet Blanche)
- Derby Smith, Rachel to Dernie, Poppy Elizabeth
- Derouet, Grania Anne to Desborough, Walter
- Desbrisay, Magdalen to Despenser, Philip, 1st Lord Despenser
- Despenser, Philip, 2nd Lord Despenser to Dever, Wendy Janet Thecla
- Deverall, Anne to Devereux, Penelope
- Devereux, Philippe to Devlin, Willoughby
- Devon, 10th Earl of (William) to Dewar, Christian
- Dewar, Christina to Dewar, Mary Elizabeth Selina
- Dewar, Mary Emma Jeronima to Dewey, Violet
- Dewhurst, Abigail to Diamond, Warren Hastings
- Diamondapolis, Ellen to Dick, Margaret
- Dick, Margaret to Dickenson, Trevor David
- Dicker, Cheryl Kathleen to Dickinson, Hannah
- Dickinson, Hannah Beatrice to Dickson, Archibald Drury Collingwood
- Dickson, Archibald, 1st Bt. to Dickson, unknown
- Dickson, unknown to Digby, Charles Tilton
- Digby, Charles Wriothesly to Digby, Rebecca
- Digby, Rebecca Alice to Dilke, Oswald Ashton Wentworth
- Dilke, Richard to Dill, Robert Foster
- Dill, Robert Foster to Dillon, David Sandford Lee
- Dillon, Diana Mary to Dillon, Juliana
- Dillon, Julie Anne to Dillon, Theobald
- Dillon, Theobald to Dimmock, Wilson
- Dimock, Emma Parkinson Watts Keys to Dingwall, William
- Dingwall-Fordyce, Agnes to Dismorr, Ann Geraldine
- Disney, Anna Maria to Dix, Wilkinson
- Dixey, Ada Mary to Dixon, Diana Margaret
- Dixon, Diana Mary to Dixon, Richard
- Dixon, Richard to Dobbie, William Ian Cotter
- Dobbin, Ada Mary to Dobbin, Rhoda Alice
- Dobbin, Richard to Dobbs, Jo
- Dobbs, Joan Kathleen to Dobie, William Henry
- Dobinson, Eliza to Dobson, John
- Dobson, John to Dodd, Peter William
- Dodd, Phyllis Margaret Black to Dodson, William
- Dodson, William to Doherty, William
- Dohna, Christoph II Burggraf von to Doig, Zoe Claire
- Doige, Georgina to Dolmage, William Henry
- Dolmahoy, Elizabeth to Domvile, Karen Jane
- Domvile, Katherine Lake to Donald, Helen
- Donald, Helen to Donaldson, Stuart Alexander
- Donaldson, Stuart Alexander to Dongan, William, 1st Earl of Limerick
- Dongen, Johannes Corneille van to Donnelly, Inez Margaret
- Donnelly, Ivon to Donovan, John
- Donovan, Juliana to Dorchester, William
- Dorda, Claudia to Dorman, Megan Bay Keppel
- Dorman, Michael Eric to Dormer, John Evelyn Pierrepont, 10th Baron Dormer of Wyng
- Dormer, John Hubert Aloysius to Dorset, Earl of (Thomas)
- Dorsett, Charlotte Mercy to Doughty, William
- Doughty-Tichborne, Alfred Joseph, 11th Bt. to Douglas, Alison
- Douglas, Alison Rosemary to Douglas, Catherine Mary Grey
- Douglas, Cathleen Sabine to Douglas, Elizabeth
- Douglas, Elizabeth to Douglas, Haude Chantal Gabrielle
- Douglas, Hazel to Douglas, James, 2nd Lord of Dalkeith
- Douglas, James, 2nd Marquess of Douglas to Douglas, Katherine
- Douglas, Katherine to Douglas, Mary
- Douglas, Mary to Douglas, Ruby
- Douglas, Ruth to Douglas, William of Cashgole
- Douglas, William of Cashogill to Douglas-Hamilton, Mary Isabel Hammond
- Douglas-Hamilton, Mary Louise to Douglas-Pennant, Rupert Henry
- Douglas-Pennant, Sarah Jane Frances to Douwes, Karel (Dr.)
- Douzon, Leonce, Marquis de Douzon to Dowdall, Ursula Gabrielle Borthwick
- Dowdall, William to Dowling, Rose Nannette
- Dowling, Susanne Virginia to Downes, William Thomas
- Downes-Martin, Edward to Downton, Mary Geraldine
- Downton, Mary Murray to Doyle, Nancy Alice
- Doyle, Nicholas Milley to Drabble, William Stewart Patrick
- Drabson, Joanna to Drake, Frederick Richard Maurice
- Drake, Frederick Vanderstegen to Drake-Brockman, Wallace David Bennett
- Drake-Cutliffe, Charles Bernard Mervyn to Dredge, Simon James
- Dreelen, John van to Drew, Pierce William
- Drew, Rachel Anna to Dring, John Richard Harding
- Dring, John Simon Harding to Droste zu Vischering von Nesselrode-Reichenstein, Katharina Gräfin
- Droste zu Vischering, Adolf Heidenreich Baron to Drummond, Agnes Harriet
- Drummond, Agnes Priscilla to Drummond, Edith Daphne Eunice
- Drummond, Edith Mary Frances to Drummond, James
- Drummond, James to Drummond, Maldwin Marshall
- Drummond, Margaret to Drummond, unknown daughter
- Drummond, unknown daughter to Drummond-Hay, William Charles
- Drummond-Moray, Joanna Susan to Drury-Lowe, Rosemary Marguerite
- Drury-Lowe, Sydney Robert to Drysdale, William James
- Dryver, Veronique de to Ducas, William Jay
- Ducat, Andrew to Duckworth, Elizabeth Forbes
- Duckworth, Ellis Hays Sanderson to Dudgeon, Michael G.
- Dudgeon, Nicola Louise to Dudley, Winifred
- Dudley-Cooke, Alexandra (Dr.) to Duff, Beatrix
- Duff, Beatrix to Duff, Jean
- Duff, Jean to Duff, William John
- Duff, William Michael Scott to Duffus, William
- Duffy, Alice to Dugdale, Maud Violet
- Dugdale, Michael Arthur Stratford to Duke, Ellen
- Duke, Emily Ellen to Dumbleton, Walter Douglas
- Dumbreck, Barbara to Dunbar, Arbuthnott Pery Byng Sutherland
- Dunbar, Archibald to Dunbar, James
- Dunbar, James to Dunbar, Patrick of Cumnock and Mochrum
- Dunbar, Patrick of Cumnock and Westfield to Dunboyne, Baroness (Ellen)
- Dunboyne, Baroness (Isolde Butler) to Duncan, Margaret
- Duncan, Margaret to Duncombe, Frances
- Duncombe, Frances Adelaide to Dundas, Anne Macomb
- Dundas, Anne Mary Gwyn to Dundas, Frederick James
- Dundas, Frederick James to Dundas, Katharine Theodora
- Dundas, Katherine to Dundas, Robert Lawrence
- Dundas, Robert Maldred St. John Melville to Dunfee, Vickers
- Dunfermline, 1st Baron (James) to Dunkerley, William D.
- Dunkerly, Clare Josephine to Dunlop, James
- Dunlop, James to Dunmore, Countess of (Susan)
- Dunmow, Lord of (Walter) to Dunn, Roger MacLeod
- Dunn, Rosa to Dunning, J. G.
- Dunning, Jane to Dunsmuir, Sarah
- Dunsmure, Alexander Henderson to Duppa, Maud Henrietta
- Duppa, Richard Beridge to Durand, Muriel
- Durand, not disclosed to Durham, William J.
- Durham-Matthews, Agatha Polly to Durnford, William Arthur
- Durnford-Slater, Diana to Dussek, Jeremy
- Dussol, María Luisa Eugenia to Dutton, William
- Dutton-Barker, Audrey Eileen to Dyce, Margaret
- Dyce-Sharp, Flora to Dyer, Richard
- Dyer, Richard to Dykslag, Johanna Wilhelmina Geerlachdina
- Dylon, Anne to Dyson, Jane
- Dyson, Jemima to Eady, Xue
- Eagan, Michael Francis to Eardley-Russell, Edmund Stuart Eardley Wilmot
- Eardley-Twisleton-Fiennes, Gregory William to Eardley-Wilmot, William Assheton, 3rd Bt.
- Earl, Abbie to Earle, Rachel Mary
- Earle, Ralph to Easter, Wilfred
- Easterling, John to Eaton, Henry
- Eaton, Henry to Ebrahim, Khoorshidbanoo
- Ebrahim, Kulsumbai to Echezarreta, Luis
- Echingham, Agnes to Eckersley, Suzanne Jane
- Eckerson, Elizabeth T. to Eden, Catharine Isabella
- Eden, Catherine to Eden, Madeleine Alexandra
- Eden, Manuella to Edensor, William de
- Eder, Gladys Hannah to Edge, Hazel
- Edge, Howard Nume to Edington, Noreen Joyce
- Edingtoun, Elizabeth to Edmondson, William
- Edmondstone, Isabella to Edmunds, W. H.
- Edmundson, Elizabeth to Edwardes, Owen
- Edwardes, Owen Tucker to Edwards, Elizabeth
- Edwards, Elizabeth to Edwards, John Pusey
- Edwards, John Robin to Edwards, Sheena Mary
- Edwards, Sheila to Eeghen, Suzanna Jacoba van
- Eekhout, Maida to Egerton, Charlotte Mabel Ellesmere
- Egerton, Charlotte Mary to Egerton, Margaret
- Egerton, Margaret to Egerton, Wion de Malpas
- Egerton-Cust, John William Spencer Brownlow to Egerton-Warburton, Mary August
- Egerton-Warburton, Mary Heath to Eglinton, Master of (John)
- Egloffstein, Isabelle von und zu to Eidestedt, Nils Bertil
- Eidingtoun, Elizabeth to El-Bay, Victoria Egidia
- Elam, George to Eldridge, William Yates
- Elduayen y Ximenez de Sandoval, José, Marques de Elduayen to Eliot of Saint Germans, Baroness (Catherine)
- Eliot, Albert Clarence, 11th Earl of Saint Germans to Eliott, Barbara
- Eliott, Beatrice to Eliott, William
- Eliott, William to Ellershaw, Wilfred
- Ellert, Arnold to Ellingsen, Patrick
- Ellingworth, Amanda to Elliot, Hugh Kent
- Elliot, Hugh Maximilian to Elliot-Murray-Kynynmound, Hugh Samuel Roger
- Elliot-Murray-Kynynmound, Jane Caroline to Elliott, Isabella Agnes
- Elliott, Ismay to Ellis, Augustus Frederick
- Ellis, Augustus Frederick Guy to Ellis, Louise Mary
- Ellis, Lucy to Ellison, Rachel Louisa
- Ellison, Reginald Cuthbert Stockdale to Elmy, William
- Elortondo Armstong, Josefa Leonia de to Elphinstone, James
- Elphinstone, James to Elphinstone-Dalrymple, Mary Frances
- Elphinstone-Dalrymple, Penelope Eleanor to Elton, Barbara May
- Elton, Baroness (Anne Frances) to Elton, Olivia Elizabeth
- Elton, Olivia Georgiana to Elvin, Maria
- Elvins, Harriet to Elwes, Susan Esterel
- Elwes, Susan Frances to Ely, William Grosvenor
- Elycott, Elizabeth to Emley, Margery
- Emly, 1st Baron, of Tervoe, co. Limerick (William) to Emmott, William
- Emmott, William to Engelhardt, Wolf Baron von
- Engelken, Lily Elizabeth to England, Æthelstan of
- Englander, David to Enniskillen, Viscountess of (Anne)
- Ennismore and Listowel, 1st Viscount (William) to Enzie, 9th Earl of (George)
- Eochaid, Ailpín mac to Erbach-Fürstenau, Marie Charlotte Emma Gräfin zu
- Erbach-Fürstenau, Marie Gräfin zu to Eriksson, Valdemar IV, Herzog von Schleswig
- Eril y Falcés, Elvira de to Errington, Geoffrey Frederick, 2nd Bt.
- Errington, George to Erskine, Agnes
- Erskine, Agnes Graham to Erskine, David Stuart
- Erskine, David Stuart to Erskine, Isabel
- Erskine, Isabel to Erskine, Margaret
- Erskine, Margaret to Erskine, Thomas
- Erskine, Thomas Alexander, 6th Earl of Kellie to Esburnham, Stephen de
- Escalon, Marie Therese Magdalene Zoe to Esmonde, John
- Esmonde, John Geoffrey Grattan to España, Theresa de
- Espec, Adeline to Essington-Boulton, Philippa Cynthia
- Essington-Essington, Louise to Esterhazy, Zsofia
- Esterhuyse, Francois to Etang, Virginie de l'
- Etchegoyen, Alix d' to Eunson, Rachel
- Eure, 1st Baron (William) to Eustace, Harvey Tower
- Eustace, Helen to Eustace, Thomas
- Eustace, Thomas to Evans, Beatrice Rosamund
- Evans, Beatrice Wenefryde to Evans, E. Lyndon
- Evans, E. Muirhead to Evans, Gertrude Margaret
- Evans, Gillian to Evans, John William
- Evans, John William to Evans, Merfyn
- Evans, Meriel to Evans, Sue Ann
- Evans, Sue Ellen to Evans-Freke, Sally L.
- Evans-Freke, Sophia to Evelyn, Charles
- Evelyn, Charles Francis to Everard, Elenor
- Everard, Elinor to Everett, William Marriott
- Evereys, William de to Every, Martha
- Every, Mary to Evill, William Alan Strathern
- Evison, Angela to Ewen, William George
- Ewens, Abraham to Exmouth, Viscountess of (Rosemary Frances)
- Exoudun, Raoul d' to Exton, Mary Ann
- Eyck, Christina Marguerite van to Eyre, Emilia
- Eyre, Emily to Eyre, Minna Mary Jessica
- Eyre, Minnie to Eyston, Magdalen Olga Phyllis
- Eyston, Margaret Eleanor to Faber-Castell, Virginia Ruth von
- Fabian-Jones, Basil Claude to Fagan, Emily Rowe
- Fagan, Emma Lowry to Fagan, Stephanie
- Fagan, Stephen to Fairbairn, Arthur Henderson, 3rd Bt.
- Fairbairn, Aubrey John Murray to Fairbairn, William, 1st Bt.
- Fairbairne, James to Fairfax, Charles, 5th Viscount Fairfax of Emley
- Fairfax, Charles, 6th Viscount Fairfax of Emmeley to Fairfax, Robert, 7th Lord Fairfax of Cameron
- Fairfax, Ronald Cary to Fairlie, Louise Emimeline Anne
- Fairlie, Margaret to Falco, Isabella del
- Falcon, Amy Lucinda to Falkiner, Bert
- Falkiner, Betty Irene to Falkner, Trueman Tully
- Falkowski, Richard to Fandel-Phillips, Lionel, 3rd Bt.
- Fane de Salis, Abigail Rose to Fane de Salis, Nicholas Charles
- Fane de Salis, Nicola Jane to Fane, Edward
- Fane, Edward to Fane, Mary
- Fane, Mary Eliza Caroline to Fanshawe, Elizabeth
- Fanshawe, Elizabeth to Faris, William Irwin
- Farish, Edward to Farmer, Yvette Marion
- Farmery, Eleanore to Farquhar, Caroline Emily Horatia
- Farquhar, Carolyn to Farquharson, Ann
- Farquharson, Ann to Farquharson, Margaret
- Farquharson, Margaret to Farrand, William
- Farrant, Andrew Alan to Farrer, Charles Henry
- Farrer, Charles Matthew to Farrington, Mary Sophia
- Farrington, Maude Mary to Faucigny-Lucinge, Ysabel de
- Faucomberge, 'The Bastard of Fauconberg' to Faulkner, William John Macnamara
- Faulks, Baron, of Donnington in the Royal County of Berkshire (Edward Peter Lawless) to Favot, Vittorio Emmanuel
- Favre, Noemi to Fawsitt, Sean McDiarmhid
- Fawson, unknown to Fearon, William Guy Rupert
- Feasey, Alice Helen to Feilden, Eliza Ann
- Feilden, Eliza Whigham to Feilding, Henry Simon
- Feilding, Henry Wentworth to Feldscher, Peter
- Feldt, Felicitas to Fellowes, Hedworth George Ailwyn
- Fellowes, Helen Hamilton to Fellows, Walter
- Fels, Heinrich von to Fenton, Emily
- Fenton, Emily Victoria to Fenwick, Janet Elizabeth
- Fenwick, Janet Hamilton to Ferguson Davie, Henry Augustus
- Ferguson Davie, Henry Herrick to Ferguson, Jane Charlotte
- Ferguson, Jane Louisa to Fergusson, Archibald
- Fergusson, Archibald William Cutlar to Fergusson, Marion
- Fergusson, Martin Arthur to Fermor-Hesketh, Thomas, 1st Baron Hesketh
- Fermoy, 1st Baron, of co. Cork (Edmund Burke) to Ferrand, William Harris
- Ferrando, Aline Louise Rose to Ferrers, Alianore de
- Ferrers, Alice to Ferrire, Marie
- Ferris, Alexander Robert Hager to Fetherston-Dilke, Timothy Hugh
- Fetherston-Godfrey, Francis William Crewer to Fetherstonhaugh, John David
- Fetherstonhaugh, John Lennox to Feuerheerd, Thomas Frederick
- Feugeres des Forts, Anne-Sophie to fforde, James
- fforde, James to ffrench, Marcus
- ffrench, Margaret to Field, Francis
- Field, Frank Drummond Shuttleworth to Fielder, Victoria Frances
- Fieldhouse, Amanda to Fiennes, James, 2nd Viscount Saye and Sele
- Fiennes, Jean du Bois, Seigneur du Bois d'Annequin to Fifield, Rowena Susan
- Figarolo, Alberto to Filho, Victoria Ragna Lorentzen
- Filicaia, Paola Geddes da to Finch, Eleanor
- Finch, Eliza to Finch, William
- Finch, William to Findlater, Mary Anne
- Findlater, Mary Barbara to Finglasse, John
- Fink, Alexandra to Finlayson, Nina Abigail
- Finlayson, Peggy Mary Clotilde to Finnie, Frederick C.
- Finnie, Frederick C. to Finucane, Mary
- Finucane, Mary to Firth, Lesley Loxley
- Firth, Lettice Mary to Fisher, Bridget
- Fisher, Bridget Ann to Fisher, John
- Fisher, John to Fisher, Thomas
- Fisher, Thomas to Fitch, William
- Fitches, Thomas to FitzAdam, Robert
- FitzAdelm, William to FitzElie, William
- Fitzell, Douglas to Fitzgerald, Catherine
- Fitzgerald, Catherine to Fitzgerald, Eleanor
- Fitzgerald, Eleanor Grace to FitzGerald, Gerald
- Fitzgerald, Gerald to FitzGerald, Jane
- FitzGerald, Jane to FitzGerald, Mairead
- Fitzgerald, Maree Helen to FitzGerald, Nicholas
- Fitzgerald, Nicholas to FitzGerald, Thomas, 15th Knight of Glin
- Fitzgerald, Thomas, 18th Knight of Glin to Fitzgibbon, David 'an chomraic'
- FitzGibbon, David, 2nd White Knight to FitzGibbon, Richard Hobart, 3rd Earl of Clare
- Fitzgibbon, Richmond to Fitzherbert, Charles Trevor Vesey
- Fitzherbert, Charlotte to Fitzherbert, Kathleen Aida
- FitzHerbert, Kathleen Anne to Fitzherbert, Yvo Laurence Michael
- FitzHerbert-Brockholes, Andra to FitzJames-Stuart y Silva, Jacopo José María, 6th Duque de Liria y Xerica
- FitzJames-Stuart y Stolberg-Gedern, Jacopo Felipe Carlos Pascal Cayetano Vicente, 5th Duque de Liria y Xerica to Fitzmaurice, Elizabeth Mary Lucinda
- FitzMaurice, Ellean to Fitzmaurice, Margaret
- Fitzmaurice, Margaret Elizabeth to FitzMaurice, Zane
- Fitzmayer, Anne Howard to FitzRoy Newdegate, Sophia Hebe
- Fitzroy, Adalia to Fitzroy, Jane Elizabeth
- FitzRoy, Joanna Dana to FitzWalter, Ida
- FitzWalter, Joan to FitzWilliam, William John
- FitzWilliam, William Reginald Wentworth to Flandre, Louis, Comte de Rethel
- Flandre, Margaret to Flegg, Nigel Patrick Martin
- Fleig, Albert to Fleming, Elizabeth Louisa le
- Fleming, Elizabeth Mary to Fleming, Margaret
- Fleming, Margaret to Fleming, Yvonne Lenare le
- Fleming-Gibbons, Helen Millar Wright to Fletcher, Emily
- Fletcher, Emily to Fletcher, Mary Clare
- Fletcher, Mary Ellen to Fletcher-Vane, William Richard, 2nd Baron Inglewood
- Fletcher-Watson, Ben to Flockhart, William
- Flockton, Felicity Ann to Flower, Henry
- Flower, Henry to Floyd, Leonor
- Floyd, Lily Mary to Fock, Muriel Elizabeth
- Fock, Nesta Mary Emily to Foley, Edward
- Foley, Edward to Foley, Thomas, 3rd Baron Foley of Kidderminster
- Foley, unknown to Follett, Sybilla Alice
- Follett, Theresa Ann to Fontenelle, Mahaut de la
- Fontenilliat, Charles Gaston Comte de to Foote, Woodrow Andrew
- Footner, Cecily to Forbes, Alexander of Blackford
- Forbes, Alexander of Blackford to Forbes, Christian
- Forbes, Christian to Forbes, George
- Forbes, George to Forbes, Jean
- Forbes, Jean to Forbes, Margaret
- Forbes, Margaret to Forbes, Sophia
- Forbes, Sophia to Forbes-Cable, William Richard Craigievar
- Forbes-Crombie, Helen Constance to Ford, Alison Patricia
- Ford, Alistair to Ford, Jane Anne
- Ford, Jane Louisa Otway to Ford, Sheila
- Ford, Sheila Eileen to Forde, William George
- Forde-Leathley, Frances to Forester, William le
- Forestier Walker, Cortlandt Simon Michael to Formartine, Viscount (Ivo Alexander Ninian)
- Formbach, Hedwig of to Forrester, Isobel
- Forrester, Jack James Everard to Forster, George, 2nd Bt.
- Forster, Georgina to Forsyth, John
- Forsyth, John to Fortescue, Anthony William
- Fortescue, Arabella to Fortescue, Margaret Annie
- Fortescue, Margaret Helen to Fortune, William Rankine
- Fortye, Alfred to Foster, Anthony of Jardinefield
- Foster, Anthony Vere to Foster, Harriet Maria
- Foster, Harriet Mary Emma to Foster, Neil Phipps
- Foster, Nellie Marcia Lane to Foster-Barham, Ruth Marie
- Foster-Bunch, Caroline Jeanne to Foulis, Alexander of Ratho
- Foulis, Anne to Fountayne, Thomas Charles
- Fountayne-England, Caroline Margaret Fountayne to Fowler, Charlotte Sarah
- Fowler, Christopher to Fowler, Ruth Eileen
- Fowler, Sarah to Fox, Charles
- Fox, Charles to Fox, Francis John
- Fox, Francis John to Fox, Julia Mary Greville
- Fox, Juliet to Fox, Robert Barclay
- Fox, Robert Gerard to Fox-Pitt, William Augustus Lane
- Fox-Pitt, William Augustus Lane to Foxon, Thomas Arthur
- Foxton, Amelia to Frampton, Elizabeth Martha
- Frampton, Ellen to France, Ferdinand Philippe de
- France, Foulques de to Francis, Evelyn Maud
- Francis, Fanny Marie to Franckenstein, Yvonne von und zu
- Francklin, Alice Maude to Frankcomb, Thomas Amesbury
- Franke, Agnes to Frankland, William, 1st Bt.
- Frankland-Payne-Gallwey, Edith Alice to Franks, Christina Kendal
- Franks, Clara to Franks, William
- Franks, William to Fraser, Angus Hugh
- Fraser, Ann to Fraser, Elizabeth Barbara
- Fraser, Elizabeth Este to Fraser, Jane
- Fraser, Jane to Fraser, Mary
- Fraser, Mary to Fraser, unknown daughter
- Fraser, unknown daughter to Frazer, Peter Nigel Stewart
- Frazer, Rachel Beatrice to Frederick, Rowena Mary
- Frederick, Sarah to Freeman, Ethel Clementina
- Freeman, Ethel Kathleen Jane to Freeman-Mitford, John, 1st Baron Redesdale
- Freeman-Mitford, Kathryn to Fremantle, Christopher Richard
- Fremantle, David to French, Arthur St. George Blair
- French, Arthur William St. George to French, Gwendolen Isa Dow
- French, Gwendolen Mary to French, Mary
- French, Mary Ann to French, William Stephen Holmes
- French, Winifred to Frere, John Hookham
- Frere, John Tudor to Frewen, Winston
- Frewen-Laton, Ivo Wyndham Laton to Friend, James Irvine Hinchcliffe
- Friend, Jane to Frobisher, William
- Froding, Mary to Frost, Susanna
- Frost, Susanna Miles to Fry, Julia
- Fry, Juliana Sally to Fryer, William
- Fryer-Page, Charles Gulliver to Fuller Maitland, Mary Anne
- Fuller Maitland, Maud to Fuller, Opelia Perkins
- Fuller, Osborn to Fullerton-Carnegie, Mary Strachen
- Fullerton-Elphinestone, Constance Lothian to Furnell, George
- Furnell, George Cantillon to Furness, Wilson
- Furneux, Amy to Fusell, Elizabeth
- Fussell, Alexandra Rosemary Fane to Fynes-Clinton, Idonea
- Fynes-Clinton, Irene to Fürstenberg, Guido Baron von
- Fürstenberg, Guido Baron von to Gabbett, Henry Francis
- Gabbett, Henry Singer to Gaboury, Oliver J.
- Gabriel, Anna Marie to Gage, Anne
- Gage, Anne to Gage, Lucinda Georgina
- Gage, Lucy to Gagné, Monique de
- Gago, Margrit to Gair, William Gillies
- Gairdner, Agnes to Galbraith, Gillespic
- Galbraith, Gillian to Gale, Frederick
- Gale, Frederick Morant to Galitzine, Marianne Prinzessin
- Galitzine, Marie to Galli Zugaro, Vincenzo
- Galli, Elena to Gallwey, David
- Gallwey, David to Galrao Exposito, Ortis-Armando
- Galrao, Celeste to Galwey, Edward
- Galwey, Edward to Galwey, Rose
- Galwey, Sarah to Gamble, Emily Rose
- Gamble, Enid Kathleen to Gamul, Francis
- Gan, Siew to Ganzoni, Mary Jill
- Gape, Emily Louisa to Garden, Timothy, Baron Garden
- Garden, unknown of Leys to Gardiner, Mary
- Gardiner, Mary to Gardner, Hagar Hajira Sultan uz-Zamani Begum
- Gardner, Hamilton to Gardyne, unknown
- Gare, Edna Earl to Garmston-Hyde, Thomas Derek
- Garnar, Clive Robert Sydney to Garnett, Robert
- Garnett, Robert to Garniere, Isabella
- Garniss, Margaret Violet Dorothea to Garrett, John
- Garrett, John to Garside, William Henry
- Garsini y Queralt, Ignacio de to Garton, Phyllis Mary
- Garton, Rosalind to Gascoigne, Martin Wyndham
- Gascoigne, Mary to Gascoyne-Cecil, William
- Gaselee, Auriol Stephen to Gasquet, Veronique de
- Gasquet-James, Amedée de to Gathorne-Hardy, Margaret Doris
- Gathorne-Hardy, Margaret Evelyn to Gaussen, William
- Gauthier, François, Marquis de Chiffreville to Gawthorne, Peggy
- Gawthropp, Frances Mary to Gaze, Victoria Mary Ann
- Gazelli di Rossana e di Sebastiano, Luisa Gazelli dei Conti to Geddes, Colin David
- Geddes, Daisy Camilla to Gee, Richard John Earl
- Gee, Robert to Gell, William
- Gellard, Alexandra to Genade, Richard James
- Genar, Paulina Yegorovna to George, Eileen
- George, Eileen Dolores Patricia to Gerard of Bryn, Baroness (Mary Frances Emma)
- Gerard of Gerard's Bromley, 1st Baron (Thomas) to Gerard, William, 4th Bt.
- Gerard, William, 5th Bt. to Gerrard, William
- Gerret, Ann to Gethin, Rowene Margaret
- Gethin, Rupert Mark Lovell to Giannakoupoulos, Tatiana
- Gianquinto, Filiberto to Gibbins, SAmuel
- Gibbon, 'the White Knight' to Gibbons, Emily
- Gibbons, Emily Craven to Gibbs, Antony
- Gibbs, Antony to Gibbs, Jennifer Susan
- Gibbs, Jeremy Herbert to Gibbs, Susanna
- Gibbs, Susanna Louisa to Gibson, Edward
- Gibson, Edward to Gibson, M.
- Gibson, Mabel Katherine to Gibson, Zita E.
- Gibson-Carmichael, Alexander David to Gieve, Matthew Vereker
- Giffard, 1st Lord, of Brimpsfield (John) to Giffard, Thomas
- Giffard, Thomas to Gifford, Winifred Jane
- Gifford-Moore, Alicia Madeline Isobel to Gilbert, Richard fitz
- Gilbert, Richard fitz to Gilbey, Penelope Anne
- Gilbey, Penelope Margaret to Giles, Corinna
- Giles, Corinna Evageline to Gill, Elizabeth J.
- Gill, Elizabeth Moore to Gillard, Wilfred Harold
- Gillbanks, Marian to Gillford, Lord (Richard Charles)
- Gillham, Angela Mary to Gillman, Ellen
- Gillman, Ellen to Gillow, William Paulyn
- Gillum, Annette Dawn to Gilmour, Yvette
- Gilmour-White, Elizabeth Ann to Giraldo, James
- Girard de Charbonnières, Andrée Marie de to Gispert, Penelope Katherine
- Gissing, Edward Freeman to Gladstone, Margaret Thompson
- Gladstone, Mary to Glanley, Sidney Archibald Lloyd
- Glanopoulo, Helen to Glasgow, William James Theodore
- Glasier, Mary to Gleasure, unknown
- Gleave, Gilbert to Glenavy, Baroness (Vivienne)
- Glenawly, 1st Baron of, co. Fermanagh (Scrope) to Glennie, William Rickards
- Glennon, Margaret Kathleen to Gloucester, William of
- Glover Wilson, Angus to Glucksman, Audrey
- Glucksmann, Barbara Helen to Glyn, Mary
- Glyn, Mary Caroline to Glynne, William, 5th Bt.
- Glynne-Percy, A. to Goddard, Henrietta
- Goddard, Henrietta Maria to Godfrey, Mabel
- Godfrey, Mabel Carrie to Godley, Rose Henrietta
- Godley, Rose Mary to Godwin, William
- Godwin-Austen, Alfred Godwin to Goffe, William
- Goffe, William to Goldbach, Matthew Timbs
- Goldbeck, Maria Dorothea to Goldsborough, Thomas
- Goldsbrough, Angela Mary to Goldsmith, Zeno
- Goldspink, Alan Douglas to Gon, Vittorio
- Gonby, Joan to González Bermejo, Juan
- González de Aguilar y González Alzamora, María to Gooch, Mary
- Gooch, Mary Ann to Goodbody, Barton
- Goodbody, Beatrice Beverley to Goodbody, Joan Heather
- Goodbody, Joan Lydia to Goodbody, Reginald Marcus
- Goodbody, Richard to Gooden-Chisholm, Uailean Hamish McUistean
- Goodenough, 1st Baronet, of Broadwell and Filkins, co. Oxford (William Macnamara) to Goodhart, Joseph Daniel Cambridge
- Goodhart, Joseph Henry to Goodman, Mary
- Goodman, Mary to Goodwin, Harvey
- Goodwin, Heather to Goold-Adams, Samuel Hamilton
- Goold-Adams, William Richard to Gordon, Adam Charles
- Gordon, Adam de to Gordon, Antoinette des Champs
- Gordon, Arabella Hewit to Gordon, David
- Gordon, David to Gordon, Frances Helen
- Gordon, Frances Margaret to Gordon, Isabel
- Gordon, Isabel to Gordon, Jean (Lady)
- Gordon, Jean A. to Gordon, Lewis, 18th of Abergeldie
- Gordon, Lewis, 3rd Marquess of Huntly to Gordon, Mary Augusta
- Gordon, Mary Augusta Caroline to Gordon, Susan Barbara
- Gordon, Susan Jennifer to Gordon-Brown, Rowena Christine
- Gordon-Canning, Maud Mary to Gordon-Lennox, Elizabeth Grace
- Gordon-Lennox, Ellinor Caroline to Gore, Arthur L.
- Gore, Arthur Paul John James Charles, 7th Earl of Arran of the Arran Islands to Gore, Frederick John Pym
- Gore, Frederick St. John to Gore, Nathaniel
- Gore, Nathaniel to Gore-Booth, Hannah
- Gore-Booth, Helen to Gorges, Thomas
- Gorges, Thomas to Goring, William, 3rd Bt.
- Gorini, Antonia to Gorton, Unknown Son
- Gortschakov, Alexander to Gosling, Gwendolin Frances
- Gosling, Harriet to Gosset, William Butler
- Gossip, Alicia to Gouge, unknown
- Gougeon, Esther to Gough, Michael
- Gough, Michael to Gould, George Jay
- Gould, George Jay II to Goulding, Patricia
- Goulding, Phillis to Gourlay, Simon, 1st of Kincraig
- Gourlay, Susanna to Gower, D'Oyley
- Gower, Dorothy to Goëss, Marie Valerie von
- Goëss, Maximilian Reichsgraf von to Grace, Zachary James
- Grace-Weaver, Ida Mary to Grafton, Wendy
- Grafton-Dare, Elizabeth to Graham, Archibald Knightly
- Graham, Arlo Julian Stirling to Graham, Dorothy Anne
- Graham, Dorothy Eileen Beaumont to Graham, Gertrude Lysle
- Graham, Gertrude Russell to Graham, Jean
- Graham, Jean to Graham, Margaret
- Graham, Margaret to Graham, Pieter Robert Geoffrey
- Graham, Priscilla to Graham, Vera Patricia Stuart
- Graham, Vere to Graham-Toler, William Brabazon Lindsay, 4th Earl of Norbury
- Graham-Vivian, Audrey Emily to Granby, Marquess of (John)
- Grancey, Comte de (Louis) to Granger, William
- Granier, Honorate to Grant, Anne
- Grant, Anne to Grant, Duncan, 1st of Freuchie
- Grant, Dyan to Grant, Helen
- Grant, Helen to Grant, John Roy of Ballindalloch
- Grant, John Roy, 1st of Phonas to Grant, Mary Frances
- Grant, Mary Isa to Grant, Tahan
- Grant, Tara Catherine to Grant-Suttie, Victoria Elizabeth
- Grant-Thorold, Alexander William Thorold to Grasemann, Ruth Barbara, Baroness Rendell of Babergh
- Grasett, Arthur Edward (Lt.-Gen. Sir) to Grattan-Bellew, Winifred Mary
- Grattan-Guinness, Susan Jane to Graves, Hugh
- Graves, Hugh Baker to Graves, Winifred Ruby
- Graves-Johnston, Carolyn Meliora to Gray, Claudine Frances Leonora
- Gray, Clemency Anne Rosemary to Gray, Hugh Stewart
- Gray, Ian to Gray, Mary
- Gray, Mary to Gray, Thora Zelma Grace
- Gray, Timothy Macmorran to Grayson, Vivienne Mary
- Graz, Bridget Mary Rhona des to Greatorex, Reuben
- Greatorex-Davies, Margaret Lee to Green, Alice Jane
- Green, Alice Maud Caroline to Green, Gregory Peter David
- Green, Guy to Green, Penny
- Green, Percy to Green-Price, Stella Rachel
- Green-Price, Stephen John Bandales to Greene, Caroline Dorothy
- Greene, Catalina Ana to Greene, John
- Greene, John to Greene, Thomas
- Greene, Thomas to Greenhill, Susie Beatrice
- Greenhough, Bridgett Ann to Greenway, Marion Sophia
- Greenway, Marjorie Phyllis to Greenwood, Gillian Claire
- Greenwood, Gillian Frances to Greer, Elizabeth
- Greer, Elizabeth to Greer, Rachel Emma
- Greer, Ralph to Greeves, Emily Elizabeth
- Greeves, Emma to Greeves, Victor J.
- Greeves, Virginia Jacqueline to Gregory, Elizabeth
- Gregory, Elizabeth to Gregson, Henry
- Gregson, Hermione to Grendon, William de
- Grene, Daniel to Grenfell, William Henry, 1st and last Baron Desborough
- Grenislaw, Christian to Gresham, Mary
- Gresham, Mary Elizabeth to Greville, Charlotte
- Greville, Charlotte Anne to Grew, Richard David
- Grewcock, Caroline Hume to Grey, Barbara de
- Grey, Barbara de to Grey, Elizabeth Mary
- Grey, Elizabeth Odeyne de to Grey, Joanna C.
- Grey, Joanne Marie to Grey, Patrick George
- Grey, Patrick John to Grey, Zenith Catherine
- Grey-Egerton, Aimée Mary to Grierson, Annie
- Grierson, Barbara Edwina to Grierson, Margaret
- Grierson, Margaret to Griffies-Williams, D. H. J.
- Griffihs, Amanda Oonagh to Griffin, Rosy
- Griffin, Sara Louise to Griffith, Margaret Ann
- Griffith, Margaret ap to Griffiths, Frederick Ronald Neville
- Griffiths, Gareth to Griggs, Philippa Mary
- Grignon, Adelaide E. to Grimond, Thomas Magnus
- Grimsdale, Brenda Jean to Grimston, Marmaduke
- Grimston, Marmaduke to Grisham, Valeria
- Grisinsky, Dora to Gronow, William Lettsom
- Gronow-Davis, Judith to Grosvenor, Elizabeth
- Grosvenor, Elizabeth to Grosvenor, William, 3rd Duke of Westminster
- Grosvenor-Launder, Isabel to Grove, Charlotte
- Grove, Charlotte to Grove, Thomas
- Grove, Thomas to Grover, Sophia
- Grover, Stephen to Grubb, Edith
- Grubb, Edith to Grubb, Jonathan
- Grubb, Jonathan to Grubb, Richard Henry Alexander
- Grubb, Richard Kenneth Arundel to Grubbe, William Roaf
- Grubber, Sandra to Grubert, Wiktor
- Grubham, Margaret to Grut, N.
- Grutzner, Elisabeth to Gubbins, W. G.
- Gubbins-Mounsey-Heysham, Gentian to Guelph, Wilhelm II
- Guenette, Francine to Guest, Revel Sarah
- Guest, Rhuvon to Guilford, Thomas
- Guilford, W. to Guinness, Edward
- Guinness, Edward Benjamin Newton to Guinness, Meraud Michel Wemyss
- Guinness, Meryl Susanna to Guiry, Violet Beatrice
- Guisage, Rose to Guise, Tacy Avena
- Guise, Theodosia to Gully, William Slade
- Gulson, John to Gund, Georges
- Gundelfingen auf der Brenz, Adelheid von to Gunn, Marguerite Jean
- Gunn, Marie-Laure to Gunning, Wynifred Florence Langton
- Gunning-Sutton, Mary Diana to Gurdon, William Brampton
- Gurdon-Rebow, Hector John to Gurney, Margaret Hanson
- Gurney, Margaret Jane to Guthrie, Anne
- Guthrie, Anne to Gutierrez, Susan Margaret
- Gutiérrez de Escalante, Maria to Gwatkin, Robert
- Gwatkin, Robert Collin to Gwynn, William
- Gwynnan, Gwaithfoed ap to Gybbon-Monypenny, William York
- Gybson, Elizabeth to Haan, Vivien de
- Haarlem, Agnes van to Habsburg, Maximilian II, Holy Roman Emperor
- Habsburg, Maximilian Salvator Graf von to Habsburg-Lothringen, Johannes-Jacobus Josef Árpád Pius Stephan Ignatius Hermann Maria von
- Habsburg-Lothringen, Joseph Ferdinand Salvator Maria Franz Leopold Anton Albert Johann Baptist Karl Ludwig Rupert Maria Auxiliatrix von to Hackett, Eleanor Mandeville
- Hackett, Elinor to Hackett, Thomas
- Hackett, Thomas to Haddo, Lord (William)
- Haddo, Methlick, Tarves and Kellie, 10th Lord (David George Ian Alexander) to Hadmersleben, Werner von
- Hadnall, Mary to Hageman, Jacoba
- Hagen, Barbara Helene Therese Franziska von to Haggas, Thomas Henry
- Hagger, Arnold John to Haig, Belinda Valerie
- Haig, Blanch to Haig-Thomas, William James Christian
- Haigh, A. S. to Haines, Sonia Jane
- Haines, Sonja Maria Rosario Isabella to Haldane, Gertrude Hilda
- Haldane, Gertrude Mary Sneyd to Haldon, Baroness (Maria Harriett)
- Hale of Richmond, Brenda Marjorie of Easby in the County of North Yorkshire to Halem, Wilhelm-Emanuel von
- Hales of Emley, 1st Baron (Edward) to Halford, William, 1st Bt.
- Halford-McLeod, Fiona to Hall, Adelaide Catherine
- Hall, Agnar August (Dr.) to Hall, Constance Emilie
- Hall, Constance Enid to Hall, Frances Emily
- Hall, Frances Iris Campart to Hall, Jasper Taylor
- Hall, Jean to Hall, Martha
- Hall, Martha to Hall, Roger
- Hall, Ronald Alan to Hall-Dare, Veronica Maud Pomeroy
- Hall-Dempster, Dorothy Constance to Halliday, Maria Margaretta
- Halliday, Mario Rheta to Hallowes, Price Blackwood
- Hallowes, Rachel Louisa to Halsey, Richard
- Halsey, Robert to Ham, Yvonne Geogina
- Hamaland en Gent, Wichman III Graaf van to Hambro, Robert Alexander
- Hambro, Ronald Olaf to Hamilton of Dalzell, Baroness (Sybil Mary)
- Hamilton of Desert, Baron (Gustavus) to Hamilton, Alexander
- Hamilton, Alexander to Hamilton, Anthea Kay
- Hamilton, Anthony to Hamilton, Charles
- Hamilton, Charles to Hamilton, Duchess of (Susan Euphemia)
- Hamilton, Duke of (William) to Hamilton, Ethel Isabel Roby
- Hamilton, Ethel Linda to Hamilton, Georgina Sophia
- Hamilton, Georgina Violet to Hamilton, Holly Anna
- Hamilton, Honoria Eliza Sylvia Vera to Hamilton, James of Rosehall, 2nd Bt.
- Hamilton, James of Sprouston to Hamilton, John
- Hamilton, John to Hamilton, Kathleen
- Hamilton, Kathleen Anita to Hamilton, Margaret
- Hamilton, Margaret to Hamilton, Mathew, 4th of Fairholm and of Aldtoun and Milburne
- Hamilton, Matthew, 6th of Torrance to Hamilton, Robert Pollock
- Hamilton, Robert St. George Harding to Hamilton, unknown daughter
- Hamilton, unknown daughter to Hamilton-Baillie, Tomás Enrique Luis
- Hamilton-Bellhouse, Georgina to Hamilton-Russell, Sophia Charlotte
- Hamilton-Russell, Tilly Carlyon to Hammerton, unknown
- Hammet, Alice Mary to Hammond, Henry T.
- Hammond, Isabella Frances to Hampden of Glynde, Viscountess (Susan Henrietta)
- Hampden, 1st Viscount (Robert) to Hampton, Caroline Elizabeth
- Hampton, Carolyn Pamela to Hampton, Hugh
- Hampton, Ian Francis to Hampton, Mary
- Hampton, Mary Ann to Hampton, Timothy
- Hampton, Timothy to Hanbury, Capel
- Hanbury, Capel to Hanbury, Rachel
- Hanbury, Reginald to Hanbury-Williams, Zenaida
- Hanby, Charles to Hand, William Patrick Lenard
- Hand-Bowman, Denis to Handcock, William, 1st and last Viscount Castlemaine
- Handcock-Temple, Gustavus to Hanham, unknown son
- Hanham, unknown son to Hankey, Norman Frederick
- Hankey, Olive to Hanmer, Annes
- Hanmer, Anthony David to Hanmer, Mary Ann Catherine
- Hanmer, Mary Caroline to Hannah, Zeta
- Hannam, Barnaby to Hannay, William of Kirkdale
- Hannay, William of Kirkdale to Hanover, Sophie Dorothea Duchess of Brunswick-Lüneburg
- Hanover, stillborn child to Hanson, Zoe Charlotte
- Hansson, Anna-Llena Margareta to Harbord, Charlotte Susannah
- Harbord, Christine Winifred to Harby, Thomas
- Harcla, 1st Lord (Andrew) to Harcourt, John Simon
- Harcourt, John Simon Chandos to Harden, Veryan Penelope
- Hardenberg, Andreas Albert Graf von to Harding, Frank
- Harding, Frederick to Hardinge of Penhurst, Baroness (Winifred Selina)
- Hardinge, 10th Baronet, of Belle Isle, co. Fermanagh (Thomas Henry de Montarville) to Hardman, Margaret
- Hardman, Margaret Elizabeth to Hardy, James William Barnes
- Hardy, Jane to Hare, Christina Sarah
- Hare, Christopher William Trelawny to Hare, MarianElizabeth
- Hare, Marjorie Primrose to Harford, Elizabeth Mida
- Harford, Ellen to Hargreaves, Kathleen Mary
- Hargreaves, Kenneth to Harington, John Edward, 10th Bt.
- Harington, John Edward, 8th Bt. to Harland, Robert, 1st Bt.
- Harland, Rosemary Claire to Harman, Jane
- Harman, Janice to Harmsworth, Constance Gwendolen Mary
- Harmsworth, Daphne Cecil Rosemary to Harold-Barry, William John
- Haroldi, Kasha to Harpur Crewe, Winifred Isabel
- Harpur, 10th Baronet (Vauncey) to Harries, William Davys
- Harrild, Frederick to Harris, Anne
- Harris, Anne to Harris, Elvin
- Harris, Emilia Rose Elizabeth to Harris, Johanna Evered
- Harris, John to Harris, Patricia Mary
- Harris, Patrick Birkett to Harris, William John
- Harris, William Lushington Thomas to Harrison, Charles Michael William
- Harrison, Charles Mitchell to Harrison, Frances
- Harrison, Frances to Harrison, John
- Harrison, John to Harrison, Maud
- Harrison, Maud to Harrison, Thomas
- Harrison, Thomas to Harrowby, Countess of (Susan)
- Harrower, Gilbert to Hart, Barnaby Teed
- Hart, Bartholomew to Hart, John Henry Eustace
- Hart, John Hume to Hart-Davis, Winifred Ruth
- Hart-Faure, Constance Caroline to Hartig, Stephanie von
- Hartig, Theresia von to Hartley, Temperance
- Hartley, Teresa M. to Hartshorne, Jane
- Hartsinck, Andries to Harvey, Barbara Frances
- Harvey, Basil to Harvey, Francis
- Harvey, Francis to Harvey, Louisa
- Harvey, Louisa Archer to Harvey, Susannah
- Harvey, Susannah to Harwood, George
- Harwood, George to Haselfoot, Frederick K. H.
- Haselhurst, Alan Gordon Barraclough, Baron Haselhurst to Hasler, William Wyndham
- Haslerig, Edward to Hastinges, William, 1st Lord Hastings
- Hastings of Loughborough, 1st Baron (Edward) to Hastings, Elizabeth
- Hastings, Elizabeth to Hastings, Kate Rosemary
- Hastings, Katharine Daisy Louisa to Hastings, Winifred
- Hastings-Bass, Alice Victoria Mary to Hatfield, William of
- Hathaway, Katheine to Hatton, Sarah
- Hatton, Sarah to Haughton, David Malcolm
- Haughton, David Neville to Haughton, John
- Haughton, John to Haughton, Rebecca Rosaleen
- Haughton, Rebekah to Haussy David, Maria Victoria Desiree d'
- Haute, Edward to Havering, Perená de
- Haverington, Elizabeth to Hawes, Mary
- Hawes, Mary to Hawkes, Georgiana
- Hawkes, Georgina Henrietta to Hawkins, Elizabeth
- Hawkins, Elizabeth to Hawkins, Mandy
- Hawkins, Margaret to Hawks, Nancy Mary Raye
- Hawks, Patricia to Hawley, unknown daughter
- Hawley, Unton to Haworth-Booth, Vivien Eve Shuttleworth
- Haworth-Leslie, Alice Veronica to Hay, Agnes Mary
- Hay, Agnes Morgan to Hay, Christina
- Hay, Christina Louise to Hay, George, 6th Marquess of Tweedale
- Hay, George, 7th Earl of Erroll to Hay, Jean
- Hay, Jean to Hay, Marioth Christina
- Hay, Marioth Christina to Hay, Tara Caroline
- Hay, Taylor to Hay-Drummond, Violet Vane
- Hay-Drummond-Hay, Anne Rachel to Haye, William, 1st of Erroll
- Hayes Fisher, Rachel Florence to Hayes, Mary
- Hayes, Mary to Hayles, Thomas
- Hayley, Alice Henrica Dora to Haynes, Peter J. C.
- Haynes, Robert Anthony to Hayward, Kenneth Rex
- Hayward, Leland to Hazell, Wilberforce Ernest
- Hazelton, Elizabeth to Head, Carol Margaret
- Head, Caroline to Head, Rachel Mary
- Head, Ralphia to Heale, Walter William
- Heales, C. F. to Heard, William James
- Heardson, Mary to Heath, Johanna Catherine
- Heath, John to Heathcote, Anne
- Heathcote, Anne to Heathcote, Gilbert Simon, 9th Bt.
- Heathcote, Gilbert Vyvyan to Heathcote, Selina
- Heathcote, Selina to Heaton, Mary
- Heaton, Mary to Hebblethwaite, S. F. W.
- Hebblethwaite, Septimus Montague to Heberden, Winifred Susan
- Heberdon, James to Hedley-Dent, William Edward
- Hedley-Whyte, Elizabeth Tessa to Heidenstam, Rolf Magnus von
- Heidenstern, Adele Wilhelmina Marika von to Heitmann, Silje Moholt
- Heiton, Gwen to Hellouin, Robert
- Hellqvist, Erik to Hely Hutchinson, John Richard
- Hely Hutchinson, John Walter to Hemming, Madeline Frances
- Hemming, Margaret Anne to Henckel von Donnersmarck, Winfried Graf
- Henckel, Wilhelmine Marie to Henderson, Douglas Ian Henry
- Henderson, Dugald John to Henderson, Janet
- Henderson, Janet Ann to Henderson, Nicholas John Welsh
- Henderson, Nicola to Henderson-Stewart, Pilar
- Hendil, Birgitte to Heneage, Thomas
- Heneage, Thomas to Henley, Williamsa
- Henley-Ongley, Catherine to Hennessy, James
- Hennessy, James Bryan George, 2nd Baron Windlesham to Henniker, Victoria Louise
- Henniker-Heaton, 1st Baronet, of Mundarrah Towers, Sydney, Australia (John) to Henriques, Vivien Doris
- Henry Dwnn, Maredudd ap to Henshall, Shane Brian
- Henshaw, A. F. to Hepburn, Christine
- Hepburn, Clarence Duff to Hepburn, Katherine
- Hepburn, Katherine to Hepburn, William
- Hepburn, William to Herberden, William
- Herberstein, Alexandra Gräfin von to Herbert, Catherine
- Herbert, Catherine to Herbert, George
- Herbert, George to Herbert, Margaret Anne Antonia
- Herbert, Margaret Augusta to Herbert, Timothy James
- Herbert, Timothy William Okes to Heredia, Virginia Anne
- Hereford, 10th Viscount (Price) to Heriot-Maitland, Richard Ogilvy
- Heriot-Maitland-Dougall, Arnold to Heron, John
- Heron, John to Herries, William, 3rd Lord Herries of Terregles
- Herriett, Ivy to Hersey, Susan Bernice
- Hersfield, Gabriel Ian to Hervey, Gwendolen Emma
- Hervey, Harcourt Charles Antrobus to Hervey-Bathurst, Moira
- Hervey-Bathurst, Nancy Rose Somers to Hesketh, George
- Hesketh, Grace to Hessen und bei Rhein, Prinzessin
- Hessen und bei Rhein, Prinzessin to Hessen-Kassel, Karoline Friederike Wilhelmine Prinzessin von
- Hessen-Kassel, Karoline Wilhelmine Prinzessin von to Hessen-Philippsthal-Barchfeld, Prinzessin von (Berthe)
- Hessen-Philippsthal-Barchfeld, Richard Christian Prinz von to Heuckelum, Charles Henry van
- Heuer, Carmen Estelle to Hewetson, Yvonne Mary
- Hewett, 1st Baronet, of Nether Seale, co. Leicester (George) to Hewett, Yuilleen Maude
- Hewett-Hicks, Anthony to Hewitt, June Lifford
- Hewitt, Kate Diana to Hewson, Kate
- Hewson, Laura to Heydon, William (Sir)
- Heydon-Linden, Bogislav von to Heymann, Mary Euphemia
- Heymanson, Antonina to Heywood, Jean McMurdo
- Heywood, Jeremy John, Baron Heywood of Whitehall to Hezlet, Robert Knox
- Hezlett, Ian Moore to Hickes, Peter I.
- Hickes, Phillip Lansdown to Hickman, Elizabeth
- Hickman, Elizabeth to Hickman, William
- Hickman, William to Hicks, Winifred Hawthorne
- Hicks-Beach, Alberta Louise to Higgin, Susan
- Higgin-Birket, Ethel Milbro to Higginson, William
- Higginson, William to Hight, William Charles
- Hight, Winnie to Hill of Almaraz, 1st Baron, and of Hardwicke, co. Salop. (Rowland)
- Hill of Almarez and of Hardwicke, 4th Baron, co. Salop. (Rowland Richard) to Hill, Arthur Wills Blundell Sandys Roden, 5th Marquess of Downshire
- Hill, Arthur Wills Blundell Sandys Trumbull Windsor, 4th Marquess of Downshire to Hill, Dorothy Joan
- Hill, Dorothy Loraine to Hill, George
- Hill, George to Hill, Jean Netta Phyllis
- Hill, Jeanette Colla to Hill, Margaret
- Hill, Margaret to Hill, Peter
- Hill, Peter to Hill, Terence Lowry Rowland
- Hill, Tessa Helen Murray to Hill-Wood, Samuel Thomas, 4th Bt.
- Hill-Wood, Samuel, 1st Bt. to Hillis, Vera Hester
- Hillman, Alexandra Mary Johanna to Hilton, Mary Genevieve
- Hilton, Matilda to Hinde, William Robert Norris
- Hindenburg, Agnes Blanche Marie von to Hingley, Robert (Reverend)
- Hingsdoll, unknown daughter to Hippisley, William Henry
- Hippisley-Cox, David James to Histed, John Edward
- Hitch, Arthur Alfred to Hoah, Selwyn Barton
- Hoang, Kim to Hoare, Elizabeth
- Hoare, Elizabeth to Hoare, Keith Peter
- Hoare, Keith Robin to Hoare, Sorrel Harriet Nicola
- Hoare, Stafford O'Brien to Hobart, Margaret Emily
- Hobart, Margaretta to Hobbs, Thomas
- Hobbs, Thomas to Hobhouse, William A.
- Hobill-Cole, Fiona to Hobson, William James
- Hoby, Amy Frances to Hoddinott, Sophia Marjorie Imelda
- Hodeholme, Christiana de to Hodges, Reginald Arthur
- Hodges, Richard Christie to Hodgson of Abinger, Baroness, of Abinger in the County of Surrey (Fiona Ferelith)
- Hodgson of Astley Abbotts, Baron, of Nash in the County of Shropshire (Robin Granville) to Hodgson, Richard
- Hodgson, Richard to Hodson, Violet
- Hodson, W. S. R. to Hoffman, Ruth Elizabeth
- Hoffman, Sarah Anne to Hogendorp, Willem van
- Hogenhove, Aletta van to Hogg, Julia
- Hogg, Juliana Ann Harriet to Hoggins, Thomas
- Hoggner, Frederica Maitland d to Hohenberg, Marie Elisabeth von
- Hohenberg, Marie-Cristine Prinzessin von to Hohenlohe, Ymana
- Hohenlohe-Bartenstein und Jagstberg, Johann Friedrich Michael Carl Maria Fürst zu to Hohenlohe-Langenburg, Marie Isabella Gabrielle Franziska Ferdinandine Prinzessin zu
- Hohenlohe-Langenburg, Marie Isabella Prinzessin zu to Hohenlohe-Waldenburg-Neuenstein, Ulrich von
- Hohenlohe-Waldenburg-Pfedelbach, Ludwig Gottfried Graf zu to Hohenlohe-Öhringen, Prinz zu (Kraft)
- Hohenlohe-Öhringen, Prinz zu (Kraft) to Hohenzollern, Sofie von
- Hohenzollern, Sofie von to Hohler, Victoria Lisette
- Hohler, Viveca Judith Maria to Holbrow, Sarah
- Holbrucke, Alis to Holden, Frank
- Holden, Frederick William to Holder, Isabella Dorothea
- Holder, J. to Holford, George Peter
- Holford, Georgina to Holland, Elisabeth Hilda Margaret
- Holland, Eliza to Holland, Minne Elizabeth
- Holland, Miriam Agnes to Hollant en West Friesland, Graaf in (Dirk II)
- Hollant en Zeeland, Floris IV Graaf van to Hollingsworth, William Thursfield
- Hollington, Alfred Jordan to Holloway, Xanthe
- Hollowell, Mary to Holme, William
- Holme-Summer, Mary Barnard to Holmes à Court, William Walter
- Holmes, 1st Baron (Thomas) to Holmes, Madelon Edson
- Holmes, Margaret to Holroyd, John
- Holroyd, John Henry Graham to Holstein-Gottorp, Sophie Altburg Marie Cécile Margarete, Herzogin von Oldenburg
- Holstein-Gottorp, Sophie Amalia von to Holt, Helen
- Holt, Helena Kathleen to Holthaus, Erika
- Holthof, Anna von to Home, 8th Lord (James)
- Home, 9th Baronet, of Blackadder, co. Berwick (John) to Home, John
- Home, John to Homfray, Virginia A.
- Homfray-Davies, Heather to Hone, Lucretia
- Hone, Lucy to Honnor, William
- Honorati, Honorato to Hoo, Thomas, 1st Lord Hoo
- Hooch, Helena de to Hood, Jennifer
- Hood, Joan to Hoogstraten, Graaf van (Anton I)
- Hoogterp, Jacqueline Harriet to Hooper, Margaret
- Hooper, Martha to Hope Johnstone, Trudy
- Hope Johnstone, Trudy Anne to Hope, Charlotte Maria
- Hope, Charlotte Rennie to Hope, Jacqueline Pierrette Regine
- Hope, James to Hope, Mary Margaret Hill
- Hope, Mary Margaret Lucy to Hope-Dunbar, Philippa
- Hope-Falkner, Diana Margaret to Hopkins, Elizabeth
- Hopkins, Elizabeth to Hopkinson, Emily
- Hopkinson, Emily to Hoppringle, Thomas of Torsance
- Hopson, Alan David to Horder, Thomas Mervyn, 2nd Baron Horder
- Hordern, Alexander Radcliffe to Hore, William
- Hore-Belisha, 1st Baron, of Devonport, co. Devon (Leslie) to Hornblower, Rosalie
- Hornbrook, Virginia Wallis to Horne, Elizabeth Williamson
- Horne, Ellen to Horner, Marian Diana
- Horner, Mark to Horrell, Roy Kenneth
- Horridge, E. S. to Horsfall, William Hodgson
- Horsfield, Agnes to Hort, Iris Elizabeth
- Hort, James Fenton, 8th Bt. to Horton, Thomas Pinsent
- Horton, Thomas, 3rd Bt. to Hoskins, Walter John
- Hoskinson, Amanda Elm to Hoskyns, Stephanie Irene
- Hoskyns, Susan Patricia to Hoste, Mary Rachel
- Hoste, Mary Theodora to Hotham, John Francis
- Hotham, John Hallet to Hough, Valerie
- Hougham, Anne to Houle, Louise
- Houles, Louis Joseph to Houston, Elsie
- Houston, Elsie Lily Woodbine to Houstoun, Robert James
- Houstoun, Robert James M. to Hovenden, Thomas
- Hovendon, Christopher to Howard, Alice Lawrason
- Howard, Alice Marian to Howard, Charlotte
- Howard, Charlotte to Howard, Ethel Christian
- Howard, Ethel Louisa to Howard, Hiram Edward
- Howard, Holly Ann to Howard, Margaret
- Howard, Margaret to Howard, Philip Esme, 3rd Baron Howard of Penrith
- Howard, Philip Henry to Howard, unknown daughter
- Howard, unknown daughter to Howarth, Valerie Georgina, Baroness Howarth of Breckland
- Howat, Alexander James to Howe, Phoebe
- Howe, Rachel to Howell, William
- Howell-Thomas, Dorothy to Howie, William
- Howie, William A. to Howth, William
- Hoxar, Jennifer Louise de to Hoyos, Veronika
- Hoysted, Charlotte to Hubbard, Nicolette
- Hubbard, Noel Agnes to Huddlestone, William John
- Huddy, Benjamin Franklin to Hudson, Harriett
- Hudson, Harrington to Hudson, Tom Guy Jack
- Hudson, Tony to Huggins, Henry
- Huggins, Henry Thomas to Hughes, Arthur John
- Hughes, Arthur John to Hughes, George
- Hughes, George Edward to Hughes, Maria
- Hughes, Maria Henrietta to Hughes, Thomas
- Hughes, Thomas to Hughes-Onslow, Virginia Ruth Primrose
- Hughes-Ross, Elisabeth Lucy Roden to Hull, Elizabeth
- Hull, Elizabeth to Hulton, Edith Teresa
- Hulton, Edward to Hume, Elizabeth
- Hume, Elizabeth to Hume-Wright, Theodora Mary
- Humerston, John to Humphreys, Helena Elizabeth
- Humphreys, Heney to Hungary, Peter of
- Hungary, Princess of (Ildiko Katalin) to Hungerford, Elizabeth
- Hungerford, Elizabeth to Hungerford, Lorna Persis
- Hungerford, Louisa to Hungerford, Thomas Henry
- Hungerford, Thomas John to Hunt, Constance
- Hunt, Cynthia J. to Hunt, Juliet
- Hunt, Juliet Mary to Hunt, W. Cecil Elton
- Hunt, W. E. to Hunter Gordon, Zoe
- Hunter of Newington, Baron, of Newington in the District of the City of Edinburgh (Robert Brockie) to Hunter, George
- Hunter, George John to Hunter, Maurine Elaine
- Hunter, Max Andrew Rome to Hunter-Weston, Sarra Catherine
- Hunting, Althea Kathleen Joyce to Huntly and Enzie, 5th Earl of (George)
- Huntly, 10th Earl of (Alexander) to Hurley, William John
- Hurlock, Anne to Hurtado de Mendoza y Pérez del Pozo, Román
- Hurtado, Joaquin Munoz to Hussey, John
- Hussey, John to Hutcheson, Thomas Brown
- Hutchesson, Amy de Beauvoir to Hutchinson, John Villiers
- Hutchinson, John William to Hutchison, Joseph Douglas
- Hutchison, Julian Jervis Oliphant to Huth, Yvonne Zoe
- Huth-Wallis, Peter to Hutton, Lilian
- Hutton, Lindy to Huxtable, William John Fairchild
- Huybert, Constantia de to Hyde, Florence Ellen Louisa
- Hyde, Flower to Hyde-Smith, Vaughan Christopher
- Hyde-Thomson, Catherine Zoe Eve to Hyslop, William of Lochend
- Hythe of Hythe, 1st Viscount, co. Kent (Thomas) to Iddesleigh, Countess of (Maria Luisa)
- Iddles, George Henry to Iliesco, D.
- Iliff, A. to Imbert-Terry, Susanna
- Imbesi, Hazel to Inchcape, Viscountess (Jean Paterson)
- Inchiquin, 10th Baron of (Murrough) to Ingenheim, Wolf-Harald Graf von
- Ingenheim-Molitor, Marianne von to Ingleby, William, 2nd Bt.
- Ingleby-Mackenzie, Alexander Colin David to Inglis, Maria
- Inglis, Maria Moxham to Ingram, Elizabeth
- Ingram, Elizabeth to Ingrams, William Smith
- Ingrand de Douailleur, Marie to Innes, Anita Elizabeth
- Innes, Ann to Innes, Elizabeth Ann
- Innes, Elizabeth Ann to Innes, James John McLeod, V.C.
- Innes, James Mackintosh to Innes, Margaret
- Innes, Margaret to Innes, Sarah Clementine
- Innes, Sarah Louise to Innes-Ker, Virginia Mary
- Innes-Norcliffe, James to Iorwerth, Margred verch
- Ipcar, Melvene to Irby, Mary
- Irby, Mary to Ireland, Máel Sechnaill II of
- Ireland, Máel Sechnaill II of to Ironside, William Edmund, 1st Baron Ironside
- Irrgang, Federico Carlos to Irvine, Letitia
- Irvine, Lionel Robert Herborn to Irvine-Fortescue, Zara Isobel
- Irving of Dartford, Baron, of Dartford in the County of Kent (Sydney) to Irwin, James William
- Irwin, Jane to Isaacs, Sylvie
- Isaacs, Tallulah Elke Margot to Isenburg-Limburg, Imagina von
- Isenghien, Louis of to Isles, William Eric
- Isley, Henry to Itzenplitz, Nikolaus von
- Itzig Heine, Carel August to Izod, Ruth
- Izura Migueliz, Joaquin de to Jackson, Ann
- Jackson, Ann to Jackson, Edmund S.
- Jackson, Edward to Jackson, Grace
- Jackson, Grace to Jackson, Julius Lloyd
- Jackson, Karen Anne to Jackson, Mountstuart Goodricke, 3rd Bt.
- Jackson, Mountstuart Hungerford to Jackson, Thomas
- Jackson, Thomas to Jacob, James
- Jacob, Jane to Jacobsen, unknown
- Jacobsohn, Sydney to Jaffa, Guglielmo 'Spadalunga' of
- Jaffe, Jacqueline Susan to Jakobovits, Zipora
- Jakobsdatter, Anna to James, Dorothy Kathryn
- James, Dorothy Patricia to James, Joan Rosamond
- James, Joanna May to James, Philippa Helen
- James, Philippa Margaret Angela to Jameson, Elizabeth Mary Melville
- Jameson, Elizabeth Sophia to Jamieson, Thelma M.
- Jamieson, Thomas to Janssen, Williamsa
- Janssens van der Maelen, Louis to Jardine, Jane Gertrude
- Jardine, Jane Home to Jarvis, Jane
- Jarvis, Jane to Jay, William Clouston
- Jaycox, Sarah M. to Jebb, Susannah Gladwyn
- Jebb, Theodore Philip to Jefferson, Robert
- Jefferson, Sydney to Jeffreys, Margaret
- Jeffreys, Margaret to Jejeebhoy, Virbaijee
- Jejerskjold, Count (Charles) to Jenkin, William
- Jenkings, Stiverd to Jenkins, Philip
- Jenkins, Philip David Alexander to Jenkinson, Samantha May
- Jenkinson, Sarah to Jenner, XChristopher Murray Downton
- Jenner-Fust, Herbert to Jennings, Winifred
- Jennings-Bramly, Alfred to Jephson, Thomas
- Jephson, Thomasine to Jerningham, unknown daughter
- Jerningham, Violet to Jervis, Sarah Anne
- Jervis, Sarah Frances to Jessen, Søren
- Jesser-Coope, Edward to Jestin, Thomas Loftus Dudley
- Jeston, Henrietta Georgina Josephine to Jocelyn, Ann Margareta Maria
- Jocelyn, Anne to Joffe, Vanetta
- Joggett, Elizabeth to Johns, Michael James
- Johns, Michelle to Johnson, Caroline Hope
- Johnson, Caroline Jane to Johnson, Ethel Mary
- Johnson, Ethelred Harriet Matilda to Johnson, Joanna
- Johnson, Joanna to Johnson, Mary Lilian Kythe
- Johnson, Mary Rushton to Johnson, Sarah Jack Paley
- Johnson, Sarah Jack Paley to Johnson-Ferguson, Nicholas Swynfen
- Johnson-Ferguson, Ninian Charles to Johnston, Catherine
- Johnston, Catherine to Johnston, Georgina Frances Amy
- Johnston, Georgina Margaret Gerrie to Johnston, Katherine
- Johnston, Katherine to Johnston, Randal William Johnston
- Johnston, Randal William MacDonnell to Johnston, William of that Ilk
- Johnston, William Patrick to Johnstone, Darron Edwin
- Johnstone, David to Johnstone, James
- Johnstone, James to Johnstone, Marie Gordon
- Johnstone, Marilyn Jane to Johnstone, Violet Agnes Charlotte Mary
- Johnstone, Violet Florence Ernestine to Joliffe, William
- Joll, Alan Trevor to Jolly, Richard
- Jolly, Richard Frank to Jones, Annie Keartland
- Jones, Annie Patricia to Jones, David
- Jones, David to Jones, Emily Hird
- Jones, Emma to Jones, Henry Herbert
- Jones, Henry James (Reverend) to Jones, Josephine
- Jones, Josephine Mary Margaret to Jones, Mary
- Jones, Mary to Jones, Philip Gason FitzGerald
- Jones, Philip George to Jones, Steven
- Jones, Susan to Jones-Davies, Willa
- Jones-Fenleigh, E. to Jordan, Randall Taylor
- Jordan, Redford to Joukov, Vassili
- Joukova, Zenaide to Joyce, Mary Sacheverel
- Joyce, Matthew Ingle to Juchault de la Moriciere, Leon
- Jud, Herman to Julien-Laferriere, Thadee
- Juliers, Elizabeth de to Justofson, Vesper Grace
- Justus, Diana Margaret Leila to Kageneck, Wolfgang Graf von
- Kahana, Ester Gitel to Kane, Kevin John
- Kane, Kimberley to Karolyi, Paula
- Karolyi, Petra to Kautz, Rudolf Adolf
- Kauzov, Christina to Kay, William Robertson
- Kay-Lassels, Phillip to Keach, Olivia Nicole
- Keagan, Kathleen Marg to Kearney, James
- Kearney, Jane to Keats, W. R.
- Keaveney, Catherine Ruth to Keelinge, William
- Keely, Peter George to Kehoe, unknown
- Keie, Mary to Keith, Anne
- Keith, Anne to Keith, Sally
- Keith, Samuel Henry Michael to Kelburn, Viscount of (David Michael Douglas)
- Kelcey, Harriet Isabel to Kellett, Margaret Ann
- Kellett, Margaret de to Kellogg, Louisa Rawsoll
- Kellogg, Lucinda to Kelly, Dorothea
- Kelly, Dorothy to Kelly, Kelpie Eileen
- Kelly, Kevin to Kelly, Yvonne Lockington
- Kelly-Holdsworth, Albinia to Kemeys, William
- Kemeys-Tynte, Alice to Kemp, Patience
- Kemp, Patrick to Kemsley, Viscountess (Hélène Candida)
- Ken, Christopher to Kendall, Toni Elizabeth
- Kendall, unknow daughter to Kennard, Fung
- Kennard, Gaynor Bridget to Kennaway, Olivia
- Kennaway, Olivia Ursula to Kennedy, Clyde Bennett
- Kennedy, Colin Lachlan to Kennedy, Grizel
- Kennedy, Grizell to Kennedy, Kara Ann
- Kennedy, Katharine to Kennedy, Robert
- Kennedy, Robert Charles to Kennerley, William
- Kennert, Agnes to Kenry, 2nd Baron, co. Limerick (Windham Thomas)
- Kensall, Hannah Grissell to Kent, Olivia Mercedes
- Kent, Oswine of to Kenyon, Fanny Mary Katherine
- Kenyon, Florence Anna to Kenyon-Slaney, William Slaney
- Keochlin, Barbara Florence to Keppel, Sophia Mary
- Keppel, Sophia van to Ker, Margaret
- Ker, Marion to Kerbrech, François Maurice Seymour Faverôt de
- Kerby, Anne Byam to Kerr, Angela Helen
- Kerr, Angelina Patricia to Kerr, James Alexander
- Kerr, Jamie to Kerr, Robert of Newfield
- Kerr, Robert, 1st Earl of Ancrame to Kerrison, Winifred May
- Kerruish, Albert William to Kersteman, William Brewse
- Kertesz, George Michael to Ketteler, Wilhelm Emmanuel Freiherr von
- Kettenburg, Marie-Catherine Baronin von to Key, William Henry
- Keydon, Esther to Keyt, William, 3rd Bt.
- Keyte, Jennifer M. to Kidd, Margery
- Kidd, Martha to Kiernan, William Joseph
- Kiersey, Diana Joan to Kildare, Marchioness of (Emilia Mary)
- Kildare, Marquess of (George) to Kilmaine, Elizabeth
- Kilmalew, Hector de to Kimball, Susan
- Kimbell, David to Kincaid Lennox, Margaret Cunningham
- Kincaid, Alwyne Cecil of Kincaid, Chief of Kincaid to Kindersley, Lyonella Joan Tollemache
- Kindersley, Margaret Diana to King, Barbara Jean
- King, Baron of Ockham, 10th Lord, co. Surrey (Lionel Fortescue) to King, Elizabeth Patricia
- King, Elizabeth Sarah to King, James Rupert of Campsie, 5th Bt.
- King, James Russell to King, Margaret Helen Grierson
- King, Margaret Kate to King, Rory Francis
- King, Rosalind Frances to King-Farlow, Victoria
- King-Frazer, Edward to Kingsale, Nevinson Mark
- Kingsberry, Francis to Kingscote, Mary
- Kingscote, Mary to Kingsmill, John
- Kingsmill, John to Kingston, William Robin
- Kingston-upon-Hull, 1st Duke of (Evelyn) to Kinloch, Eleanor Mary
- Kinloch, Elena Cecilia Ann to Kinnaird, John
- Kinnaird, John Alan Lionel to Kinsky, Graf (Ferdinand)
- Kinsky, Graf (Franz Joseph) to Kirby, Katharine Alice Mary
- Kirby, Katherine to Kirkbride, Timothy George
- Kirkby, Alice to Kirkpatrick, Arthur Renton
- Kirkpatrick, Athol to Kirkpatrick, Mary Stuart
- Kirkpatrick, Maureen Ann to Kirsch, Rita Beatrice
- Kirschbaum, Barbara Maria Antonia to Kisch, Hermann M.
- Kiselev, Dmitry Ivanovich to Kitching, William Thomas
- Kite, Margaret to Klee, Virginia Violet de
- Kleeburg, Graf von (Johann Casimir) to Kleyn, Peter
- Klien, Elena to Knaggs, Samuel William
- Knape, Sigrid to Knatchbull, Muriel Wyndham
- Knatchbull, Nicholas Louis Charles Norton to Knebworth of Knebworth, 5th Viscount, co. Hertford (John Peter Michael Scawen)
- Knebworth, Viscount (Alexander Edward John) to Knight, Fergus James
- Knight, Flavia Elizabeth Mackintosh to Knight, Rex
- Knight, Richard to Knightley, Sarah
- Knightley, Selina Mary to Knollys, Deborah Claire
- Knollys, Denis Erskine to Knowles, David Anthony
- Knowles, David Barry to Knox, Arthur
- Knox, Arthur Edward to Knox, James
- Knox, James to Knox, Zinna Ethel
- Knox-Browne, Augusta Caroline to Knyvett, Johanna
- Knyvett, John to Koe, Winifred
- Koecher, Helena to Konig, Wolfgang
- Konigsegg-Aulendorf, Constantin Maximilian Imre Eusebius Graf zu to Korff-Kerssenbrock, Pauline
- Koris, Michele to Kovachevska, Deenya
- Kovachevsky, Dimitri to Kremer, Thomas
- Kremesec, Kim Maree to Krüsi, Sandra Irene
- Krütly, Katharine to Kurland, Sofie von
- Kurner, Georg Andreas to Kyme, William, 2nd Lord Kyme
- Kymyel, Elizabeth to Kärnten, Wilibirg von
- Kæmpe, Karen to La Touche, Gertrude Cecilia
- La Touche, Grace to Labouchere, Martine Louise Amélie
- Labouchere, Mary to Lacon, Dorothy Mortlock
- Lacon, Edith Jane to Lacy, Matthew
- Lacy, Maud de to Lafone, Violet Grace
- Lafontaine, Carlos to Laing, Hugh Desmond Bertram
- Laing, Ida to Laird, Winifrede Jean
- Laird-MacGregor, E. G. to Lake, William Sidney
- Lake, Willoughby to Lalor, Richard
- Lalouette, Astrid to Lamb, Stephen Ernest Henry
- Lamb, Sue M. to Lambart, Selina Katherine
- Lambart, Sohpia to Lambert, Cecil Lathrop
- Lambert, Cecilia to Lambert, Gertrude B.
- Lambert, Giles Eyre to Lambert, Mabel
- Lambert, Mabel Ellen to Lambert, Terence de Courcy
- Lambert, Thomas to Lambsdorff, Victor von
- Lambton, 1st Viscount (John George) to Lamont, Augusta Charlotte Matilda
- Lamont, Barbara to Lamplugh, William
- Lamplugh-Raper, Jane to Lancaster, Sabine
- Lancaster, Samuel Pottinger to Lander, William
- Landers, Fitz Thomas to Lane Fox, William Augustus Lane
- Lane of Horsell, Baron, of Woking in the County of Surrey (Peter Stewart) to Lane, Jane
- Lane, Jane to Lane, Zoe Mary
- Lane-Davies, Alfred to Lang, Peter
- Lang, Phillip Anthony Tate to Langenfeld, Pauline
- Langenskiold, Kristina to Langham, Norah
- Langham, Pamela to Langmaid, Rowland J. R.
- Langman, 1st Baronet, of Eaton Square in the City of Westminster (John Lawrence) to Langrishe, William
- Langshaw, Anna Mary Katharine to Lanktree, Maurya P.
- Lanlarksy, Catherine Alexisovna von to Laon, Rorico de
- Lapage, Christopher Jocelyn to Larken, Victoria Alexandrina Wyatt
- Larkin, Bernard Robert to Lascelles, Charles George
- Lascelles, Charles Riversdale to Lascelles, Patrica Elizabeth
- Lascelles, Patricia Elizabeth to Laszlo, William Patrick de
- Latch, John to Latham, William Mayer
- Lathbury, Anne to Latta, Teresa
- Lattanzi, Chloe Rose to Lauder, Jean
- Lauder, Jean to Laughton, unknown
- Laughton-Scott, Edward Hay to Laurie, Lucia F.
- Laurie, Lucie Françoise Géraldine to Laver, Patrick Martin
- Laveran-Stieber von Jinzberg, Louisette von to Law, Francis Towry Adeane
- Law, Frank Percy to Law, Susan
- Law, Susan Claire to Lawless, unknown daughter
- Lawless, unknown daughter to Lawrence, Arthur Johnstone
- Lawrence, Arthur William to Lawrence, Jennifer
- Lawrence, Jessica Frances to Lawrence, Virginia
- Lawrence, Virginia Rosamarie Pauline to Lawson, Arabella Ann
- Lawson, Arabella Harriet to Lawson, Louise Christian
- Lawson, Louise Frederica Edith Auguste to Lawson-Tancred, Virginia C.
- Lawther, Agnes to Layard, Louisa Frances
- Layard, Louisa Henrietta to Layton, Winifred Mary
- Layton-Hay, Arran Cosmo to Le Fanu, Louis, Seigneur de Mondeville et Montbénard
- Le Fanu, Louise to Le Marchant, Henry St. John Vaughan Thomas
- Le Marchant, Herbert Carey to Le SOUËF, William Henry Dudley
- Le Sueur, Anne to Leach, Helen Pemberton
- Leach, Henry to Leadley, William Roland
- Leaf, Angela N. to Lean, Thomas Nickell
- Leaney, Sarah to Leask, Ethel
- Leask, Euphan Seater to Leatham, William Henry
- Leatham, William Henry Cockerell to Leche, William
- Lecher, Denise Lauren to Lecky-Browne-Lecky, Tibby
- Leclabart, Prudence to Leduc, Anne Marie Gerard
- Ledward, Bertie Arthur Ruthven to Lee, Ella Florentia
- Lee, Ella Marion to Lee, Michael
- Lee, Michael to Lee-Warner, Margaret Anna Maria
- Lee-Warner, Maria to Leeds, Joseph Robert
- Leeds, Kate Frances to Lees, Bernadette Mary
- Lees, Bernard Percy Turnbull to Lees, Mary Penelope
- Lees, Michael to Lefebure, Victor
- Lefebvre de Laboulaye, Helene to Legard, Edith Cecilia
- Legard, Edith Margaret Emily Mary to Legge, Colin Brendan
- Legge, Colin Michael Bevington to Legge, William Walter, 5th Earl of Dartmouth
- Legge, William, 10th Earl of Dartmouth to Legh, Mary
- Legh, Mary to Leicester of Holkham, Countess of (Vera)
- Leicester, 1st Earl of (George) to Leigh, Catherine
- Leigh, Catherine to Leigh, Hannah Louisa
- Leigh, Harold to Leigh, Marion Lindsay
- Leigh, Marjorie Joan to Leigh, Thomas
- Leigh, Thomas to Leighton, Edward, 2nd Bt.
- Leighton, Elaine Watkins to Leiningen-Dagsburg-Hartenburg, Christiane Magdalena Gräfin von
- Leiningen-Dagsburg-Heidesheim, Christian Karl Reinhard Graf zu to Leith, Jean
- Leith, Jean to Leke, Robert, 3rd Earl of Scarsdale
- Lekow, Rita von to Lendrum, William Trevor
- Lendrun, Mary to Lennon, William
- Lennox Kincaid Lennox, Cecilia to Lenox-Conyngham, Gerald Peter
- Lenox-Conyngham, Gerald Ponsonby to Leonard, Marguerite Josephine
- Leonard, Maria Lucia to Lermonth, Mark
- Lerner, Alec to Leslie, Charles
- Leslie, Charles to Leslie, James, 17th of Balquhain
- Leslie, James, 2nd Lord Lindores to Leslie, Mary Christina
- Leslie, Mary Eleanor to Leslie-Melville, James Hugh
- Leslie-Melville, James Ian to Lesyczinska, Marie Cenezka
- Leszczynska, Marie Charlotte Sophie, Princess of Poland to Lethbridge, Sylvia Frances
- Lethbridge, Thomas to Leusink, Sally Mabel Henley
- Leusse y Strigewsky, Elizabeth de to Leverhulme, 3rd Viscount, of the Western Isles, cos Inverness and Ross and Cromarty (Philip William Bryce)
- Leverin, Leicester to Leveson-Gower, Tracy
- Leveson-Gower, unknown to Levinge, Edith Jane
- Levinge, Edward to Levinson, Yoland
- Levinstoun, Janet to Lewes, Katheen Frances Matilda
- Lewes, Katherine Mary to Lewis, Catherine Henrietta
- Lewis, Catherine Maud to Lewis, Helen Caroline
- Lewis, Helen Frances Mitcheson to Lewis, Mary Nellie
- Lewis, Mary Olwen Ann to Lewis, Zoe Helen
- Lewis-Barned, Harry Barned to Lewthwaite, Margaret
- Lewthwaite, Margaret Berkeley to Leyborne-Popham, Mary Ann Emily
- Leyborne-Popham, Mary Anne to Lezemore, Victoria
- León, Alfonso IV de to Liddell, David Lyon
- Liddell, David Oswald to Liddell, Thomas Henry, 1st Baron Ravensworth
- Liddell, Thomas Hodgson to Liebich, Louisa
- Liebig, Rizza Baronin von to Liechtenstein, Maximilian I Prinz von
- Liechtenstein, Maximilian II Prinz von und zu to Liggins, Henry
- Light, Alexander Whalley to Likely, Sheila Molly
- Likharevna, Vera Ivanovna to Lillywhite, William
- Lily, George Frederik to Limerick, Viscountess of the City of (Harriet)
- Limesay, Alan de to Linden, Thierry de
- Lindenbaum, John Benjamin to Lindsay of the Byres, 9th Lord (Robert)
- Lindsay, 'Earl Beardie' to Lindsay, David
- Lindsay, David to Lindsay, Isabel
- Lindsay, Isabel to Lindsay, Margaret
- Lindsay, Margaret to Lindsay, Thomas Richard
- Lindsay, Thomas Sebastian to Lindsey, unknown
- Lindsey-Renton, Gillian to Linley, William
- Linley-Adams, Guy Edward to Linzee, Walter
- Linzgau, Conrad Graf von to Lippitt, Warren
- Lippold, Charlotte to Lisle, Peter de
- Lisle, Peter de to Lister, Katharine
- Lister, Katherine to Lister-Kaye, Rhoda
- Lister-Kaye, Rosa to Litteldale, William F.
- Litter, Elizabeth de Lisle to Littlebury, Rohesia
- Littledale, Alistair to Littleton, Ida Gwendolen
- Littleton, Isabel Wood to Liverpool, Countess of (Susan Louisa)
- Liversage, Douce to Livingston, Ruth
- Livingston, Sarah Laura to Livingstone-Learmonth, Thomas
- Livingstone-Learmonth, Thomas Anthony to Llewellyn, Olga Blethyn
- Llewellyn, Olivia Anna Christine to Lloyd, Anna Maria
- Lloyd, Anna Maria Grimes to Lloyd, Edward John Boydell
- Lloyd, Edward Lewis Finney to Lloyd, Henry
- Lloyd, Henry to Lloyd, Mabel Jane
- Lloyd, Mabel Rose to Lloyd, Rosemary Joan Caroline
- Lloyd, Ross to Lloyd-Blood, Vivienne Lucy
- Lloyd-Davies, Ann to Llywelyn, unknown
- Llópis y de Palacio, María Isabel to Lobkowicz, Nikolaus Prinz von
- Lobkowicz, Ottokar Prinz von to Lock, Georgina
- Lock, Gregory to Lockett, William Jeffrey
- Lockey, Abigail to Lockhart, Wishart
- Lockhart-Barker, Charles William to Lockwood, Nancy
- Lockwood, Olive Eleanor to Loder, Winifred Mary
- Loder-Symonds, Agnes Muriel to Loe, Winifred Baron von
- Loeb, Ann to Loftus, James
- Loftus, Jane to Logie, William Robert Agnew
- Logie-Pirie, Francis to Lombe, Willmott
- Lombos, Lucy Madeleine de to Long, Beverly Ann
- Long, Blanche to Long, George
- Long, George to Long, Mary
- Long, Mary to Long, Walter
- Long, Walter to Longespée, William, 3rd Earl of Salisbury
- Longfellow, Grace to Longmore, William James Maitland
- Longridge, Alice Mary to Longworth, Veronica Anne
- Longworth-Dames, Alice Georgina to Lopes, Helen
- Lopes, Henry Charles, 1st Baron Ludlow to Lord, James
- Lord, Jane to Loring, William
- Loringhoven, Ehrentraut von to Lorraine, Zwentibold, Roi de Lorraine
- Lorraine-Aumâle, Charles, Duc de Lorraine-Aumâle to Lothe, unknown
- Lothian, 10th Earl of (Schomberg Henry) to Loudon, Louise Wilhelmina
- Loudon, Louise Wilhelmine Françoise Félicité to Lousada, Ruth
- Lousada, Sarah Baruh to Love, William J.
- Loveband, Hugh Buckingham to Lovell, James
- Lovell, James P. to Lovett-Tayleur, Pamela Elizabeth
- Lovett-Turner, Fiona Sue Awdry to Low, Vanessa
- Low, Vincent Eyre to Lowe, Isabel
- Lowe, J. B. (Reverend) to Lower, William Reginald
- Lowery, Fiona Mary to Lowry, Robert Swinburne
- Lowry, Robert William to Lowther, 5th Baronet (St. George Henry)
- Lowther, 5th Baronet, of Lowther, co. Westmorland (James) to Lowther, John Luke
- Lowther, John, 1st Bt. to Loxley, Wendy
- Loxton, Caroline to Luard-Selby, Ursula Mavis
- Luart, Jeanne du to Lubbock, Stephen Henry Ralph
- Lubbock, Susan Carol to Lucas, Anne
- Lucas, Anne to Lucas, Katherine Anne
- Lucas, Katherine Emily to Lucas-Tooth, Selwyn Lucas
- Lucas-Tooth, Vera Helen Lucas to Luckner, Wilhelmine von
- Luckock, Alice Mortimer to Lucy, William Walrond
- Luczyc-Wyhowski, Dominik to Lugard, Mary Emily
- Lugard, Mary Jane to Lumley, Alexandra Mary
- Lumley, Alfred Frederick George Beresford, 10th Earl of Scarbrough to Lumley-Savile, Robin William Matthew
- Lumley-Smith, Desirée Rachel Helen to Lumsden, William Robert Laurance
- Lumsdon, George to Luninck, Therese Baronin von
- Lunn, Alexandra Augusta to Lush, Thomas William St. Lawrence
- Lushden, Martha Lettice to Lushington, Sarah Constantia
- Lushington, Sarah Grace to Lutterodt, Tobias Henry
- Luttichau, Gisela Gräfin von to Luxembourg, Sophie de
- Luxembourg, Waleran, Comte de St. Pol et Ligny to Lycett, William Edward
- Lycett-Lewis, Brenda to Lyle, Charles Oliver Thomas
- Lyle, Clarissa Louis Elisden to Lynch, Caroline Lucille
- Lynch, Catharine to Lynch, Sara Compton
- Lynch, Sarah to Lynden, Willem van Heer van Lienden
- Lynden-Bell, Arthur Lynden to Lyon, Edward
- Lyon, Edward to Lyon, Mary
- Lyon, Mary to Lyons, Edmund, 1st Baron Lyons
- Lyons, Edward Robbins to Lysaght, George
- Lysaght, George Gabriel Abbott to Lyster, Rosanna
- Lyster, Rosemary Kathryn to Lyttelton, Oliver Antony
- Lyttelton, Oliver Christopher to López de Lerena y Casas, Mercedes
- López de Lerena y de Epalza, Angel to Löwenstein-Wertheim-Rosenberg, Prinzessin
- Löwenstein-Wertheim-Rosenberg, Prinzessin to Maberly, Lucy Elizabeth Ann
- Maberly, Mabel to MacAlister, Fiona Anne
- MacAlister, Flora to MacArthur Moir, Mercedes
- MacArthur, Allan Francis to Macartney, Bessie
- Macartney, Betty Katrine to Macaskie, Suzanne Ashley
- Macaskill, Ben to MacCarthy, Dermot
- MacCarthy, Dermot, Lord of Muskerry to Macclesfield, Thomas de
- MacCoghlan, Grace to MacDermot, Terence
- MacDermot, Terence Charles to Macdonald, Alexander, 2nd of Lochshiel
- Macdonald, Alexander, 2nd of Morar to Macdonald, Archibald James Florence
- MacDonald, Archibald John Norman to Macdonald, Donald, 10th of Sleat, 3rd Bt.
- Macdonald, Donald, 11th of Clanranald and Moidart to Macdonald, Hugh
- Macdonald, Hugh to Macdonald, John
- MacDonald, John to MacDonald, Margaret
- Macdonald, Margaret Anne to Macdonald, Ranald 'Og', 2nd of Benbecula
- MacDonald, Ranald 'Og', 9th of Keppoch to Macdonald, unknown wife
- Macdonald, unknown wife to Macdonell, Katherine
- Macdonell, Katherne Isobel to MacDonnell-Chevers, Joseph
- MacDonogh, Jose to Macdougall, Robert R.
- Macdougall, Robert William to Macdowall, William, 20th of Garthland
- MacDowall-Crichton, Elizabeth Penelope to Macfarlane, Jill Katherine
- MacFarlane, Joanna Ann to Macgowan, Shirley
- Macgowan, Temple Ruth to MacGregor, John of Roro
- MacGregor, John Roddick Russell, Baron MacGregor of Pulham Market to Machu, Susanna
- Machum, Bridget Gabrielle to MacIntyre, Margaret
- MacIntyre, Margaret to Mackay, Caroline Cholmeley
- Mackay, Caroline Jane to Mackay, Jean Ring
- Mackay, Jean S. to Mackay, William of Kinloch
- Mackay, William Wallace to Mackenzie, Alexander of Coul, 8th Bt.
- Mackenzie, Alexander of Davochmalmac to MacKenzie, Colin Alexander
- Mackenzie, Colin Charles Forbes of Portmore to Mackenzie, Hamish John
- Mackenzie, Hamish Keith Alihan to Mackenzie, John, 1st of Delvine
- Mackenzie, John, 1st of Grinard to Mackenzie, Margaret Elizabeth
- Mackenzie, Margaret Ellen to Mackenzie, Sybella
- Mackenzie, Teresa Mary to Mackeson, Rupert Henry, 2nd Bt.
- Mackeson-Sandbach, Annie Marie Antoinette Eugenie to MacKinnon, Donald de Burgh D'Arcy
- Mackinnon, Donald Henry Aylmer to MacKintosh, Charles Berkeley
- Mackintosh, Charles Ernest Whistler to Mackintosh, Mary
- Mackintosh, Mary to Mackworth, Digby Francis, 5th Bt.
- Mackworth, Digby John, 10th Bt. to Maclachlan, Janet
- Maclachlan, Janet to Maclaren, Eva
- Maclaren, Finlay of Achleskine to Maclean, Catherine
- Maclean, Catherine to MacLean, John H. S.
- MacLean, John Kennedy to Maclean, Winifred Joan
- Maclean-Bristol, Lavinia Mary to MacLeod, Christian
- Macleod, Christian to MacLeod, John MacTorquil
- MacLeod, John Maxwell Norman, 5th Bt. to Macleod, Sarah
- Macleod, Sarah to MacMahon, Teig 'Caoch'
- MacMahon, Teige to Macmillan, Maurice Harold, 1st Earl of Stockton
- Macmillan, Maurice Victor, Viscount Macmillan of Ovenden to Macnab, Robert
- Macnab, Robert to Macnaghten, Magdalene
- Macnaghten, Malcolm Francis of Macnaghten, 12th Bt. to MacNee, Rupert
- MacNeece, Barbara Peggy to MacNulty, Patrick
- Macomb, Alexander to Macpherson, Donald 'Og', 6th Chief
- Macpherson, Donald Dall, 5th Chief to Macpherson, Philip Strone Stewart
- Macpherson, Prinia to Macrae, Flora
- Macrae, Flora Maitland to Mactaggart, Patricia
- Mactaggart, Peter Laurie to Madden, Jeri
- Madden, Joan to Madgwick, Stacey Jane
- Madhavjee, Najma to Magan, Marie Young
- Magan, Mary to Magill, William John
- Maginity, Rose Anna to Magri, Zayne Robert Christian
- Magruder, Agnes to Mahon, Elinor
- Mahon, Elizabeth to Mahony, James
- Mahony, James Mountain to Main, William
- Mainds, Allan George to Mainwaring, Randal
- Mainwaring, Randall to Maitland Makgill Crichton, David of Rankeillour
- Maitland Makgill Crichton, Denise to Maitland, Catherine
- Maitland, Catherine to Maitland, Jane
- Maitland, Jane to Maitland, Robert
- Maitland, Robert to Maitland-Heriot, William
- Maitland-Kirwan, Charles Lionel to Makgill, Allison Ashwell
- Makgill, Amanda to Makgill, Zachary
- Maki, Matthew Mathew to Malcolm, Charles Edward
- Malcolm, Charlotte Elizabeth to Malcolm, Susan
- Malcolm, Susan Hilary Philippa to Malet, Elfrida St. Lo
- Malet, Elisée to Malgaret, Miguel
- Malham, Anne to Mallet, Zenobia
- Mallet-Harris, Primrose Millicent Elaine Mallet to Mallory, William
- Mallowan, Agatha Mary Clarissa to Maltby, Frances Anne
- Maltby, Francis Brough to Manby, unknown
- Manca, Don Carlo, Marquis di Santa Croce e Villahermose to Mander, Gertrude
- Mander, Hannah to Mandeville, William de
- Mandeville, William Robertson to Manley, Thomas
- Manley, William Bridgeman Lambert to Mann, Mary Joanna
- Mann, Mary Margaret to Manners, Harry
- Manners, Helen Theresa Margaret to Manners-Sutton, Winifred Grace
- Mannes, Martha to Mannock, William
- Manns, August Friedrich to Mansel, Jane
- Mansel, Jane to Mansell, Wendy Eleanor
- Mansell-Jones, Charlotte Mary to Mansfield, Sara
- Mansfield, Sarah to Mapelli Mozzi, Natalia
- Mapes, Annabel Jane Lawson to Mar, Susan Helen, Mistress of Mar
- Mara, Adi Asenaca Kakua to March Phillipps, Henrietta Sophia
- March Phillipps, Henry to Marchwood, Viscountess (Tessa Jane)
- Marcie-Riviere, Jean Pierre to Marenzi, Yasmine Ella Cressida Lavigna Maria, Gräfin von Tagliuno und Talgate, Markgräfin von Val Oliola, Freiherrin von Marenzfeldt und Scheneck
- Mares, Honorate des to Margesson, William Robert Stanley
- Margetson, Alice to Marjoribanks, Edward of Lees
- Marjoribanks, Edward, 2nd Baron Tweedmouth of Edington to Mark-Kleve, Mynta von der
- Mark-Kleve, Philipp von der to Markham, Joanna Mary Hilda
- Markham, John to Marks, Zoe Helen
- Marks-Chapman, Mary to Marmier, Stephanie de
- Marmion, 1st Lord (John) to Marr, Mary
- Marr, Mary Singleton to Marriott, Virginia Elizabeth
- Marriott, Virginia Sarah to Marsden, William Dent
- Marsden-Smedley, Agatha Hilda to Marsh, Matthew Henry
- Marsh, May to Marshall, Claudine Frances
- Marshall, Clement Wilfrid Ronald Pollen to Marshall, Jeanette Marcia
- Marshall, Jeanie Mavis to Marshall, Sarah Grizeal Garden
- Marshall, Sarah Jane Hilary to Marsham, Peter William
- Marsham, Priscilla to Martelli, Thomas Challenor
- Marten, Amabelle Catherine to Martin, Caroline
- Martin, Caroline Anne to Martin, Frank Randal
- Martin, Frank Reddaway to Martin, John
- Martin, John to Martin, Nicholas
- Martin, Nicholas Andrew to Martin, Valerie Norma
- Martin, Vanessa Jill Hattersley to Martineau, William Martineau
- Martinella, Marie Madeline to Martyn, John Livingstone
- Martyn, Judith to Marxen, Victor
- Maryatt, Charles to Maslinski, Yvonne
- Masoin, Elisabeth Georgette to Mason, Lawrence Woodhouse
- Mason, Lee Penelope to Massereene-James, Toby Julius
- Massey of Darwen, Baroness, of Darwen in the County of Lancashire (Doreen Elizabeth) to Massimo, Maria della Neve
- Massimo, Maria Eleonora to Massy, Catherine
- Massy, Catherine to Massy, Grace
- Massy, Grace Elizabeth to Massy, Mary
- Massy, Mary to Massy-Dawson, Wilhelmina Geraldine
- Massy-Westropp, Adele to Masterson, Winnifred
- Masterston, Joan to Mathers, Ralph Michael
- Mathers, Robert to Matheson, unknown daughter
- Matheson, unknown daughter to Mathewson, Sheila
- Mathias, Anthony to Matthews, Betty Edith Louise
- Matthews, Bridget Dawn Barrington to Matthews, S. H. M.
- Matthews, Sally Anne to Matuschka, Victoria Gräfin von
- Matyas, Irene to Maude, Elise Marie
- Maude, Elizabeth to Maude, Victor Francis
- Maude, Victoria to Maule, William, 1st Earl of Panmure
- Maule-Cole, Douglas Seymour Francis Erskine to Maunsell, Beatrice
- Maunsell, Beatrice Elizabeth Cokayne to Maunsell, Elizabeth
- Maunsell, Elizabeth to Maunsell, Herbert Henry Fleming
- Maunsell, Herbert Hodges to Maunsell, Maria
- Maunsell, Maria Alexandrina to Maunsell, Robert Eyre
- Maunsell, Robert Frederick Patrick to Maunsell-Eyre, Robert Hedges
- Maunsell-Eyre, William Henry to Mavroleon, Violet
- Mavromichalis, Helen to Maxtone-Mailer, Reinhild
- Maxwell Ereñu, Celina to Maxwell, Charlotte
- Maxwell, Charlotte Anne to Maxwell, Henry St. Patrick
- Maxwell, Henry, 6th Baron Farnham to Maxwell, Lori Castilla
- Maxwell, Lorna Suzanna Katherine to Maxwell, Sarah
- Maxwell, Sarah Juliana to Maxwell-Hyslop, Zara Belinda
- Maxwell-Jackson, Amanda Caroline Anna Antonia to May, Lilian Marie
- May, Lilias to Mayes, Tomasine Lucy
- Mayes-Monckton, Anthony David to Maynard, Mary
- Maynard, Mary to Mayo, Viscountess (Maud)
- Mayon-White, Mary Angela to McAdam, Theresa
- McAdam, Thomas Stannard to McAlpine, Sarah Louise
- McAlpine, Sarah Margaret to McBeath, Rosemary Diana Jane
- McBeth, Margaret to McCallum, Violet Mary
- McCalmont, Annabel to McCarthy, Dorinda
- McCarthy, Dorothea to McCartney, Sheila
- McCarty, Angela to McClelland, Thomas Camden
- McClellane, Elizabeth to McClintock, Rose Anne Mary
- McClintock, Samuel to McColville, Martha
- McComas, Alexander to McConnell, Robert
- McConnell, Robert Frederick to McCormick, Sean Francis
- McCormick, Sheppard to McCoy, Harriet
- McCoy, Harriet Melissa to McCrary, William
- McCray, John to McCulloch, Kenneth
- McCulloch, Kevin Desmond Harmsworth to McDonald, Johanna M.
- McDonald, John to McDonnell, William Randal, 6th Earl of Antrim
- McDonough, Campbell to McDouall, Molly Anne Sanson
- McDouall, Morwenna Jane to McDowell, Vanessa Kelty
- McDowell, William Herbert to McEwen, unknown
- McFadden, Hugh to McGee, William P.
- McGeehan, Joy Miriam to McGillycuddy, Sylvia Ruth
- McGillycuddy, Tara Virginia to McGrath, William Valentine Blake
- McGreal, Honora to McGuire, William
- McGurk, Dorothy to McIntosh, William
- McIntyre, Alexander Gray to McKay, Jane
- McKay, Jocelyn Celia to McKellar, Susan Margaret
- McKellys, Marion to McKenzie, Sheila Marcia
- McKenzie, Shirley Dorne to McKnight, Tracy Ann
- McKno, Joan Wall to McLaren, Winifred Agnes
- McLaren-Throckmorton, Clare to McLean, Eric
- McLean, Eric Duncan to McLeod, John
- McLeod, John to McMahon, Hanora Carmel
- McMahon, Helena Constance to McMillan, Zitah
- McMillan-Scott, Arabella to McNair, Erica V.
- McNair, Gordon to McNeile, Ruth
- McNeile, Sophia Adelaide to McPherson, James
- McPherson, James Duncan to McShane, Jane Elizabeth
- McShane, Jean Marie to McWatters, Victoria Courtenay
- McWeeney, Eugenie Marie Alicia to Meade, Constantin
- Meade, Coppinger to Meade-Waldo, Margaret Alice
- Meaden, Charles to Mearns, W.
- Mears, A. C. to Mecklenburg-Güstrow, Ulrich III Nestor von
- Mecklenburg-Mirow, Herzog von (Johann Georg) to Medewe, Susan Ellen de
- Medex, Charles to Medlicott, Yvonne
- Medlinsky, Christina to Meeking, Viola Emily Mildred
- Meekings, Robert to Meiklejohn, Zena Molly
- Meilchen, Klaus-Werner to Meißen, Hermann von
- Meißen, Jutta von to Melland, Nora
- Mellard, Joseph to Mellon, William Proctor
- Mellor, 2nd Baronet (John Serocold Paget) to Melvil, Robert
- Melvill Carnbee, Alexine Susette to Melville, Susan Louise Margaret
- Melville, Susan Mary to Menendez, Pedro Botas
- Meneses, Mayor Alfonso de to Menteth, William of Caribber
- Menteth-Chalmers, Sarah Breviter to Menzies, Julie-Anne
- Menzies, Katherine to Meran, Ladislaja Maria Karoline Franziska Therese von
- Meran, Ladislaja von to Mercer, Zandra Theresa Jane
- Mercer-Adam, Ellen Elizabeth to Meredith, William, 3rd Bt.
- Meredith-Hardy, Alexandra to Merker, P. A.
- Merkl, Ashley Dawn Valene to Merrill, Violet Britton
- Merriman, 1st Baron, of Knutsford in the County Palatine of Chester (Frank Boyd) to Merton of Trafalgar and of Merton, 9th Viscount, co. Surrey (Peter John Horatio)
- Merton, Abigail to Messenger, William A.
- Messent, Eily Veronica to Metcalfe, Jackson James
- Metcalfe, James to Methuen, Louisa Mary
- Methuen, Lucy Charlotte to Meux, William, 3rd Bt.
- Meverell, Elizabeth to Meyer, Wilma
- Meyer-Bechtler, Leo to Meyrick, Margaret
- Meyrick, Margaret to Michalke, Jane
- Michard, Georges to Micklethwait, William James
- Micklethwaite, Anne to Middleton, Helen Frances
- Middleton, Henry to Middleton, Winifrede Mary
- Middleweek, Helene Valerie, Baroness Hayman to Milashevich, Grigorii
- Milays, Catherine to Milburn, Elizabeth
- Milburn, Elizabeth Desiree to Mildmay-White, Suzannah Jane
- Mildon, Gaylene to Miles, Peter
- Miles, Peter Glenn to Millais, Fiona Mary
- Millais, Geoffrey William, 4th Bt. to Millar, Sharon Rosemary
- Millar, Sheila Napier to Miller, Anthony
- Miller, Anthony John to Miller, Eric Charles
- Miller, Eric John to Miller, Jessica Frances
- Miller, Jessie to Miller, Mary Augusta Augusta
- Miller, Mary Carolyn to Miller, Thomas Anthony Maurice
- Miller, Thomas Bertrand to Millett, Vanessa
- Milley, Elizabeth to Millner, William R.
- Millon de La Verteville, Christian Armand Marie to Mills, James
- Mills, James to Mills, William
- Mills, William to Milne Home, Vanessa
- Milne, 1st Baron, of Salonika and Rubislaw, co. Aberdeen (George Francis) to Milne, Williamina
- Milne-Buckley, Carmella to Milner-White, Ursula Mary
- Milnes Coates, Anthony Robert, 4th Bt. to Milward, Vendela Susan Esther
- Milwidsky, Caroline Natasha to Minchin, Catherine
- Minchin, Catherine to Minchin, Emma Harriett
- Minchin, Emma Jane to Minchin, Jane
- Minchin, Jane to Minchin, Mabel Alice
- Minchin, Mabel Isobel to Minchin, Rhonda Amelia
- Minchin, Richard to Minchin, William J.
- Minchin, William Norman to Minto of Minto, Baroness (Anna Maria)
- Minto, 1st Earl of, co. Roxburgh (Gilbert) to Mitchel, William St. Leger
- Mitchelbourne, Elizabeth to Mitchell, Frances H.
- Mitchell, Francesca Lilibet to Mitchell, Margaret
- Mitchell, Margaret to Mitchell, William Joseph
- Mitchell, William Kinnaird to Mitford, Sybil
- Mitford, Tabitha to Mockford, Laura
- Mockler, Edward to Moffatt, Jonathan Eric Douglas
- Moffatt, Julia Ann to Mohwald, Wilhelm
- Moigne, Elizabeth to Mole, Wendy Lynn
- Molefe, Patricia Othana to Molesworth, Duncan Nassau
- Molesworth, Edith to Molesworth, John
- Molesworth, John to Molesworth, Richard, 3rd Viscount Molesworth of Swords
- Molesworth, Rita Marie to Moleyns, Evelyn Florence de
- Moleyns, Evelyn Florence de to Molloy, Rory
- Molloy, Sabina Dunlop to Moltzer, Odile
- Molyneaux of Killead, Baron, of Killead in the County of Antrim (James Henry) to Molyneux, Mary
- Molyneux, Mary to Moncada, Salvador Enrique
- Moncade, Gaston VII, Vicomte de Béarn to Monckton, Arthur
- Monckton, Audrey Constance to Monckton, Jean Mary
- Monckton, Jean Winifred to Monckton, William
- Monckton, William to Moncreiff, William Francis
- Moncreiff, William of that Ilk to Moncrieff, Priscilla Bridget
- Moncrieff, Robert David to Money, Geraldine
- Money, Geraldine Maria to Money-Kyrle, James Stoughton
- Money-Kyrle, Joan Alice to Monkton, Sarah Charlotte
- Monleon, Jehan de to Monroe, Spence
- Monsanto, Angelica to Monson, John
- Monson, John to Montagu Douglas Scott, Zalia
- Montagu Johnson, Alicia May to Montagu, Dru
- Montagu, Duchess of (Elizabeth) to Montagu, James
- Montagu, James to Montagu, Rachel Mary
- Montagu, Rachel Mary to Montagu-Stuart-Wortley, Reed, Viscount Carlton
- Montagu-Stuart-Wortley, Richard to Montdidier, Hilduin IV, Comte de Montdidier et Roucy
- Montdor, Benoit de to Monteith, Robert
- Monteith, Robert to Montfort, Elizabeth
- Montfort, Elizabeth to Montfort, Yvonne
- Montfort-Castres, Jeanne de to Montgomerie, Hugh, Master of Montgomerie
- Montgomerie, Ian Hew to Montgomerie, Wayne Arnold
- Montgomerie, William to Montgomery, Elizabeth
- Montgomery, Elizabeth to Montgomery, Mary
- Montgomery, Mary to Montgomery-Cuninghame, William James of Corsehill, 9th Bt.
- Montgomery-Massingberd, Christine to Montmorency, Marguerite, dame d'Offreville et du Bosc-et-Berneval
- Montmorency, Maria Richards de to Montrésor, William Robert
- Montsaulnin de Fontenay, Anne Marie Madeleine de to Moodie, Leslie
- Moodie, Magdalen to Moon, Mary Jane
- Moon, Meg to Moore, Alexander
- Moore, Alexander to Moore, Catherine
- Moore, Catherine to Moore, Elizabeth
- Moore, Elizabeth to Moore, H. O'H.
- Moore, Hannah to Moore, John
- Moore, John to Moore, Mark
- Moore, Martha to Moore, Ralph
- Moore, Randall Kingsmill to Moore, Tiphanie Anne
- Moore, Toby to Moorhead, William Henry
- Moorhouse, (John) to Moran, John Jack
- Moran, Kathleen de la Hogue to Moray, Joan
- Moray, Joan to Mordaunt, Irene
- Mordaunt, Isabel to More, Margaret
- More, Margaret to Moreton Macdonald, Simon Foster
- Moreton of Tortworth, 1st Baron, co. Gloucester (Thomas) to Morgan, Charles Davis
- Morgan, Charles Henry to Morgan, Henrietta
- Morgan, Henrietta Claire to Morgan, Norie Turner
- Morgan, Octavius Vaughan to Morgan-Grenville, Richard John
- Morgan-Grenville, Richard Temple to Morison, James
- Morison, James to Morley, Edward James Cecil
- Morley, Edward Peniston to Mornington, Countess of (Anne)
- Mornington, Countess of (Helena) to Morres, Reymond Hervey
- Morres, Richard, 8th Bt. to Morris, Daphne
- Morris, Daphne Veronica to Morris, Jessie Harriett Amy Blanche
- Morris, Jill M. to Morris, Patricia Margaret
- Morris, Patrick to Morris, Winifred Susannah
- Morris-Bingham, Anne Lavinia to Morrison, Henry
- Morrison, Henry to Morrison, Zara Anne
- Morrison, Zuleika Jane Feilding to Morrogh, Theresa
- Morrogh, Thomas to Mortagne, William of Boulogne de
- Mortague, Marie de to Mortimer, William de
- Mortimer-Couch, Bonnie Lynn to Morton, Olivia Catherine
- Morton, Pamela Mary to Moseley, Margaret
- Moseley, Margaret to Mosley, Jane
- Mosley, Jane Agnes Muriel to Moss, Robert
- Moss, Ronald David to Mostyn, Elizabeth
- Mostyn, Elizabeth to Mostyn, Thomas
- Mostyn, Thomas Alexander Joseph to Motte, Mary Motte
- Mottee, Anne Geraldine le to Moulton Barrett, Octavius
- Moulton, Agnes to Mount-Earl, Viscountess (Margaret Mary)
- Mountagu, 1st Lord (Edward) to Mountgarret of Nidd, 5th Baron, West Riding, co. York (Piers James Richard)
- Mountgarret, 10th Viscount, co. Wexford (Edmund) to Moutray, Robert
- Moutrie, Charles Linom to Moxhay, William Watkinson
- Moxon, Alexandra to Moys de Sons, Jakob Graf von
- Moyser, Diana to Muilman, Willem Ferdinand Mogge Heer van Welland, Haamstede en Koudekerke
- Muir Mackenzie, 1st Baron, of Delvine, co. Perth (Kenneth Augustus) to Muir, William
- Muir, William to Mulholland, John Charles
- Mulholland, John Llewellyn to Mulligan, Trudy
- Mullin, Debbie J. to Mulville, William
- Mumbee, Gore Boland to Mundy, Irene Frances
- Mundy, Isabella to Munro, David Campbell Duncan
- Munro, Desirée Yvonne to Munro, Patrick of Foulis, Chief of Clan Munro
- Munro, Percy to Munzinger, Nina
- Mura, Cristina to Murdock, Samuel
- Mure, Adam of Rowallan to Murphy, Avril
- Murphy, B. to Murphy, James
- Murphy, James to Murphy, Nora Mary
- Murphy, Norbert Nicholas to Murray, 1st Baronet, of Ochtertyre, co. Perth (William)
- Murray, 1st Baronet, of Stanhope (William) to Murray, Annabel
- Murray, Annabel Charlotte to Murray, Catherine
- Murray, Catherine to Murray, Edward
- Murray, Edward to Murray, Frederick Joseph
- Murray, Frederick Richard Finnbarr to Murray, Inge
- Murray, Ingram Bernard Hay to Murray, Jesse Elizabeth
- Murray, Jessica Kirsten to Murray, Laura Rose
- Murray, Laura Susan to Murray, Marjorie Louisa
- Murray, Marjory to Murray, Peter James S.
- Murray, Peter Johnston to Murray, unknown daughter
- Murray, unknown daughter to Murray-Aynsley, George
- Murray-Aynsley, George Herbert to Murton-Neale, Vivien Rosemary
- Murvitz, Batia Leonora to Musgrave, James
- Musgrave, James to Muskerry, Viscount (Robert)
- Muskett, Helen Catherine Elizabeth to Muth, Stephanie Irene
- Mutic, Katerina to Myers, Frederic William Hawthorn
- Myers, Frederic William Henry to Mynors, Philip
- Mynors, Philip Edward Baskerville to Münchhausen, Maria Helene Baronin von
- Münnich, Pauline Albertine Gräfin von to Nagle, Pierce
- Nagle, Richard to Nairne, Violet Mary
- Nairne, William to Nanfant, unknown daughter
- Nangle, Adelaide to Napier, Alexander, 1st of Merchistoun
- Napier, Alexander, 2nd of Merchistoun to Napier, Francis
- Napier, Francis David Charles, 15th Lord Napier of Merchistoun to Napier, Marianne Flora Etruria
- Napier, Marianne Irene to Napier, Zara Jane
- Napier-Clavering, Aileen Dickens Bourchier to Nash, David William
- Nash, Deborah to Nason, Elizabeth
- Nason, Elizabeth to Nassau-Dietz, Sophie Hedwig von
- Nassau-Dietz, unnamed child von to Nassau-Weilburg, Luise Prinzessin von
- Nassau-Weilburg, Magdalen Henriette von to Nauman, Susan
- Naumann, Annie Gustane to Naylor, William
- Naylor, William Edward Huntley to Neate, Thomas
- Neave Hay, David Reginald Hay to Neave, Paul Arundell, 7th Bt.
- Neave, Paul John to Needham, Jack Francis
- Needham, Jack Patrick Dominic to Negroponte, Pericles
- Negrotto Pico, Alina to Neipperg, Johannes Alfred Graf von
- Neipperg, Josef Hubert Graf von to Nelson of Trafalgar and of Merton, Countess (Winifred Mary)
- Nelson, 1st Baronet, of Acton Park, Acton, co. Denbigh (William) to Nelson, James
- Nelson, James Berkeley Horatio to Nelson, Sherri Lynne
- Nelson, Sherril Ann to Nepean, Leonard Percyval St. Vincent
- Nepean, Leslie Norman Molyneux to Nesbitt, William Peel
- Nesbitt-Bufort, Mabel Frances to Netterville, Marcella
- Netterville, Margaret to Neugebauer, Georg Alexander Wolfgang Maria
- Neuilly, Comte de (Louis Philippe I) to Nevil, Richard
- Nevile, Alexander James to Nevill, Thomas
- Nevill, Venetia V. to Neville, Emma Charlotte
- Neville, Eupheme de to Neville, Mary
- Neville, Mary to Neville-Rolfe, Marianne
- Neville-Rolfe, Martha Holt to Newbold, William
- Newbolt, Arthur Francis to Newcombe, W. Lister
- Newcombe, William to Newenham, Helena Adelaide
- Newenham, Helena Adelaide Isabella to Newman, Charles
- Newman, Charles to Newman, Samantha Louise
- Newman, Sarah to Newport, Simon
- Newport, Simon George to Newton, David
- Newton, Deirdre Clare to Newton, Rebecca
- Newton, Rebecca to Nicholas, Elizabeth
- Nicholas, Garrett fitz to Nicholls, John Ward
- Nicholls, Julia Louisa Adery to Nicholson, Arthur Wilfrid
- Nicholson, Arthur William to Nicholson, Iona Frances Marianne
- Nicholson, Iris Constance Emma to Nicholson, Paul Douglas
- Nicholson, Pauline to Nickle, Robert
- Nicklin, Ann to Nicolai, Yvonne
- Nicolas, Adriana to Nicolson, Barbara
- Nicolson, Ben to Niederlande, Marie Elisabeth der
- Niederlothringen, Friedrich von to Nightingale, Edward
- Nightingale, Edward to Nightingale, William Edward
- Nightingale, Winifred to Nisbet, Philip of that Ilk
- Nisbet, Philip of that Ilk to Nixey, Nathan
- Nixon, 1st Baronet, of Roebuck Grove, Milltown, co. Dublin (Christopher John) to Noake, Susan
- Noakes, Baroness, of Goudhurst in the County of Kent (Sheila Valerie) to Nobbs, Maxine Lawson
- Nobbs, May to Noble, John Waddell
- Noble, Joseph to Noel, Berkeley Octavius
- Noel, Berkeley Plantagenet Guilford Charles to Noel, Louisa Elizabeth
- Noel, Louisa Hope to Noer, Prinzessin von (Marie)
- Nogare, Alice Daphne Margarita to Noort, Simon van
- Noortheij, Jacoba Elisabeth to Norfolk, 5th Earl of (Henry)
- Norfolk, 5th Earl of (John) to Norman, Jane Isabella Elizabeth
- Norman, Janie Isabel to Normand, William Alexander
- Normandeau, Catherine to Norris, Anne
- Norris, Anne to Norris-Jater, Katrin
- Norrish, Betty Bent to North, Joanna Katharine
- North, Jocelyn Montagu Dudley to North-Bomford, Stephen Robert
- Northall, Dorothy to Northcote, George Russell
- Northcote, Georgiana to Northcote, Ynez
- Northcott, A. B. H. to Northumbria, Æthelfrith of
- Northumbria, Æðelræd I of to Norton, Hilary
- Norton, Honor to Norton-Bell, Vivian
- Norton-Griffiths, 1st Baronet, of Wonham, co. Surrey (John) to Nostitz-Rieneck, Teresa Maria Josefa Aloisia Gräfin von
- Nostitz-Rieneck, Theresita Sophie Elisabeth Benedikta Gräfin von to Nourse, Wilmot Henry
- Noutsos, Tina to Nugent, Andrew
- Nugent, Andrew to Nugent, Evelyn Lilla
- Nugent, Eyre Trench John Richard to Nugent, Maria
- Nugent, Maria to Nugent, Walter
- Nugent, Walter to Nutt, William
- Nuttall, 1st Baronet, of Chasefield, Parish of Bowdon, co. Chester (Edmund) to Nuzum, Steven Godfrey
- Nuño de Guzmán, Antonia to O'Brien, Aine
- O'Brien, Aine to O'Brien, Dorothea
- O'Brien, Dorothy to O'Brien, Jane Elinor Vere
- O'Brien, Jane Margaret to O'Brien, Michael David
- O'Brien, Michael George to O'Brien, unknown
- O'Brien, unknown to O'Callaghan, Dionisio
- O'Callaghan, Dolores to O'Callaghan, Rosario
- O'Callaghan, Rosina to O'Connell, Betsey
- O'Connell, Betty to O'Connell, Geoffrey
- O'Connell, Geoffrey to O'Connell, Mary Dean
- O'Connell, Mary Frances to O'Connell, unknown daughter
- O'Connell, unknown daughter to O'Connor, Valentine
- O'Connor, Veronica Mary to O'Conor, Roderic
- O'Conor, Roderic to O'Donell, Rory, Count O'Donell of Tirconnell
- O'Donell, Rose to O'Donnell, Mary
- O'Donnell, Mary to O'Donoghue, Violet Catherine
- O'Donoghue, William to O'Ferrall, Violet Eleanor June
- O'Ferrall-Boy, Ellis to O'Grady, Helen Margaret
- O'Grady, Helena Eliza to O'Grady, William de Rienzi, The O'Grady of Kilballyowen
- O'Grady, William Waller to O'Hara, John
- O'Hara, John to O'Kelly, Helene
- O'Kelly, Helene to O'Loghlen, Violet Elizabeth Amelia
- O'Loughlen, Henrietta to O'Morchoe, William Niall
- O'More, Alice to O'Neill, Celia Frances
- O'Neill, Charity to O'Neill, Maria-Madalana
- O'Neill, Maria-Teresa to O'Neylane, William
- O'Nolan, Mary Ellen to O'Rorke, Timothy Clare
- O'Rorke, Vera Muriel to O'Sullivan, Rowan John Amadeus
- O'Sullivan, Sarah to Oakes, John
- Oakes, John to Oates, William Calvin, Jr.
- Oatley, Kathleen to Ochterlony, William of Kellie
- Ochtman, Eveline Cécile Barbara to Odell, Henry
- Odell, Henry to Odell, Thomas Jones
- Odell, Thomas Robert to Oertzen, Wilhelm von
- Oesterreicher, Jane von to Offley, William
- Offner, Christine to Ogilvie, Magdalen
- Ogilvie, Margaret to Ogilvy, Anne
- Ogilvy, Anne to Ogilvy, Helen Rose
- Ogilvy, Helen Susanna Catherine Gertrude to Ogilvy, Margaret
- Ogilvy, Margaret to Ogilvy-Grant, William Robert
- Ogilvy-Wedderburn, Andrew John Alexander, 7th Bt. to Ogle, Mabell
- Ogle, Margaret to Okeover, Margaret
- Okeover, Margery to Oldenburg, Christian von
- Oldenburg, Christian William to Oldenburg, William Henry, Duke of Gloucester
- Oldenburg-Delmenhorst, Agnes von to Oldham, Wilton Stransham
- Oldifeld, Andy to Oliphant, Donald Aden
- Oliphant, Dorothy Constance to Oliphant, Mary
- Oliphant, Mary to Oliver, Elizabeth
- Oliver, Elizabeth to Oliver, Robert Wilmot
- Oliver, Robin Rhu to Olivier, William Herbert
- Oliviera, Amelia Sophie to Oltra y O'Shea, Patricia de
- Oltra y Pinto, Beatriz de to Onslow, Amelia
- Onslow, Amelia Charlotte to Onslow, George Shelley
- Onslow, George Thorp to Onslow, Roger
- Onslow, Roger Cranley Seafield to Opgenhaeffen, Lucy Ann
- Opie, Arcalayus James to Orange, Simon George
- Orange, Sophie Maisie to Ord, William St. George
- Ordas, Louisa de to Orfeur, William
- Orfeville, James d' to Orlebar, William Augustus
- Orloff-Davidoff, Alexis to Orléans, Marie Amélie Louise Hélène d', Princesse de France
- Orléans, Marie Christiane d', Princesse d'Orléans to Orme, William
- Ormelie, 1st Earl of (John) to Ormonde, Marquess of (James)
- Ormrod, Agnes Lennox to Ormsby, Zachary
- Ormsby-Gore, Alice Magdalen Sarah to Orr Ewing, James Arthur
- Orr Ewing, Jane Helen to Orr, Zoe Jane
- Orr-Ewing, 1st Baronet, of Hendon, Middlesex (Charles Ian) to Ortenburg, Rapoto I Graf von
- Ortenburg, Rapoto II Graf von to Osborn, William Danvers
- Osborn-Jones, Anthea to Osborne, Frances Maria
- Osborne, Frances Matilda to Osborne, Stewart William
- Osborne, Susan to Osorio de Moscoso y de Estranga, Pedro
- Osorio de Moscoso y de Reynoso, Francisco, Conde de Trastamara to Oswald, Lilas
- Oswald, Lilias to Ottewell, Georgina Kirsten
- Ottewill, Agnes Mary to Ourry, Paul Treby
- Ousby, Mary Ann to Ouvry, Peter Thomas
- Ovans, Charles Phipps John to Owen, Charlie
- Owen, Charlotte to Owen, Marjorie Scott
- Owen, Martha to Owens, Maurice
- Owens, Michelle to Oxfuird, Viscountess of (Venetia Cunitia Mary)
- Oxholm, Elsa Mimi Adelaide Marie to Packard, Manuela Arcadia
- Packard, Maria L. to Padel, Ruth Sophia
- Padelford, Edward to Page, Harry
- Page, Helen Alice to Pagenhardt, Tania Baronin von
- Pagerie, Amelie Eugenie de la to Paget, Elizabeth
- Paget, Elizabeth Anne to Paget, Lucy Annie Emily
- Paget, Lucy Caroline Eleanor to Paget-Tomlinson, William Smith
- Pagg, Elaine Jean to Paine, Winifread Helen
- Paines, Doris to Pakenham, Frances
- Pakenham, Frances to Pakenham, Sophie
- Pakenham, Stephanie to Palaeologue, Eugenie
- Palaeologus, Andronicus II, Emperor of Constantinople to Palk, Wilmot Lawrence Lancelot, 9th Bt.
- Palka, Alberta to Palliser, Wray William Bury
- Pallot, Adward to Palmer, Catherine Mary
- Palmer, Catherine Susannah to Palmer, Florence Mary
- Palmer, Frances to Palmer, Joanna Constance
- Palmer, Joanna Van Antwerp to Palmer, Mary Grace Thomond
- Palmer, Mary Henrietta to Palmer, Thomas
- Palmer, Thomas to Palmes, Mary
- Palmes, Mary Evelyn to Panton, Williamina
- Pantony, Edith Anne to Paravicini, Susan Rose
- Paravicini, Vincent Rudolph to Pare, William
- Paredes, Maria Elena to Parish, Woodbine
- Parisi, Arabella to Parker Bowles, Wilma Mary Garnault
- Parker of Ewelm, 1st Viscount, co. Oxford (Thomas) to Parker, Cecil Thomas
- Parker, Cecily Mary to Parker, Frances Jane
- Parker, Frances Marie to Parker, John
- Parker, John to Parker, Michelle Diana
- Parker, Mike to Parker, Una-Mary
- Parker, Una-Mary Diana to Parkes, Sidney Edward
- Parkes, Susan Elaine to Parkman, Jack G.
- Parks, Alice Margarita to Parma, Joseph di
- Parma, Lorraine di to Parnell, Yseulte Geraldine
- Parnell-Hayes, Willam to Parrish, Winifred Ethel Honor
- Parrot, Andrée Suzanne Louise to Parry, Richard William James
- Parry, Robert to Parsons, Elizabeth
- Parsons, Elizabeth to Parsons, Rollo Crispin Gillespie
- Parsons, Rosalind Doris to Partridge, Katharine Mary Emily
- Partridge, Laura Clare to Pasley, Margaret Sabine
- Pasley, Margaret Sabine to Pasteur, unknown
- Paston, 1st Baron, of Norfolk (Robert) to Paterson, Annabella Harriett
- Paterson, Anne to Paterson, William
- Paterson, William (Captain) to Patrick, Nina Mary Adelaide
- Patrick, Norman Colum to Patterson, William Norman
- Patterson-Hunter, Elizabeth to Paul, Baroness (Aruna)
- Paul, Beatrix Elinor to Paul, William Joshua, 4th Bt.
- Paul, William Junor to Paull, Winifred Betty
- Paullett, Elizabeth to Pavoncelli, Riccardo
- Pavone, Alessandro to Payne, Christiana Joan Elizabeth Ruth
- Payne, Christina Meriel to Payne, Sarah
- Payne, Sarah to Peabody, Richard Rogers
- Peace, Anne Maria Claire to Peacock, Zoe
- Peacocke, Amelia to Pearce, Eliza Eileen
- Pearce, Elizabeth to Peareth, William Nepean
- Pearl, Audrey Warren to Pearson, Claire Laura
- Pearson, Clare Helen Garencieres to Pearson, Michael Deric Lloyd
- Pearson, Michael Orlando Weetman, 4th Viscount Cowdray to Pease, Claud Edward
- Pease, Cynthia Frances Charlotte to Pease, Susan
- Pease, Susan Myrtle to Peckham, Sybella Jane
- Peckham-Micklethwait, 1st Baronet (Sotherton Branthwayt) to Peek, Julia
- Peek, Katharine Julia to Peel, Florence
- Peel, Florence Ann Hallowell to Peel, Vera Jane
- Peel, Veronica Naomi Livingston to Peirse, William
- Peirson, Joan Mary Wright to Pelham, John Barrington
- Pelham, John Buxton, 8th Earl of Chichester to Pelissary, George
- Pelissier, Margaret A. to Pellew, William Henry Edward
- Pelley, Ann to Pelly, Ellen
- Pelly, Ellen Geraldine to Pelly, Marcus Nigel
- Pelly, Margaret to Pelly, William Rupert Brent
- Pelly, Winifred to Pemberton-Pigott, William
- Pembery, Francis to Penfold, William Burton
- Penfound, Honora to Pennefather, Elizabeth
- Pennefather, Elizabeth to Pennington, Jeremy Arthur
- Pennington, Joan Dunn to Pennyman, William, 1st and last Bt.
- Penoyer, C. A. to Pentland, Rebecca
- Pentolfe, Alexandra May to Peppé, William Tosco H.
- Pepys, 10th Baronet (John Digby Thomas) to Peralta Ramos, Maria Luisa
- Peralta y Camus, Gabriela Ruiz de to Perceval, Jane Elizabeth
- Perceval, Jane Lucinda to Percival, Joyce Franklin
- Percival, Julia Mabel to Percy, Harry
- Percy, Harry 'Hotspur' to Percy, William Henry
- Percy, William Richard to Perkins, Christopher Edward
- Perkins, Clive Murree to Perreau, Arthur Montagu
- Perrelet, Lucie to Perrott, William Hyde (Reverend)
- Perrottet, Esther Marion to Perry, Susan Alice
- Perry, Susan Margaret to Persse, Eliza
- Persse, Eliza Madaline to Persse, Mary Isobel
- Persse, Mary Katherine to Perth, Countess of (Mary)
- Perth, Countess of (Nancy Seymour) to Peschin, Jeanne de
- Peschisolido, Paolo to Peters, Edward
- Peters, Edward James to Peterson, Suzanne Adrian
- Peterson, Thomas Richard to Peto, Ruth Sarah Maude
- Peto, Samantha to Petre, Geraldine Marie
- Petre, Gerard Malcolm Mary Laurence to Petre, William Bernard, 12th Baron Petre
- Petre, William Francis to Pettifer, William Gregory
- Pettigrew, Elizabeth to Pevensey, Viscount (Frederick Henry Stuart)
- Peverel, Margaret to Peyton, Henry, 3rd Bt.
- Peyton, Humphrey to Pfalz, Friedrich III Kurfürst von der
- Pfalz, Friedrich IV Kurfürst von der to Pfretschner, Paul von
- Pfuhl, Georg Dietrich von to Phené, Nicholas
- Pheobe, Elena to Philipps, Honor Chedworth
- Philipps, Hugh to Philips, John
- Philips, John to Phillimore, Elizabeth Ann Haig
- Phillimore, Elizabeth Louise to Phillips, Anne Maria
- Phillips, Anne Patricia to Phillips, Henrietta Maria
- Phillips, Henrietta Maria to Phillips, Richard Leslie
- Phillips, Richard Martin to Philott, Teynham Fuge
- Philp, Anne to Phipps, Henry George Russell
- Phipps, Henry Ramsay to Piacenza, Wilfred I Graf von
- Piacitelli, Maria to Pickard, Percy Charles
- Pickard, Phyllis Eileen to Pickford, William, 1st and last Baron Sterndale
- Pickhaver, Jenny Patricia to Pielak, Peter Samuel
- Pielia, Paolo to Pierrepont, Frances
- Pierrepont, Frances to Piers, William, 2nd Bt.
- Pierse, John to Pigot, Mary
- Pigot, Mary to Pigott, Sarah Jane Mary
- Pigott, Selina Harriet to Pike, James
- Pike, James Eben to Pilcher, Jonathan Swaine Trevilian
- Pilcher, Judith Allan to Pilkington, Edward Williams
- Pilkington, Eleanor to Pilkington, William, 8th Bt.
- Pilkington-Miksa, Jan to Pinckney, W. Percy
- Pincock, J. to Pinney, Nathaniel Henry
- Pinney, Philip George to Piombino, Ugo Boncompagni Lodovisi
- Piotrowska, Danuta Malgorzata to Pisani, John George
- Pisarovic, Gisela to Pitman, Janet
- Pitman, Jeffery to Pitt, William, 1st Earl of Chatham
- Pitt-Chambers, June to Plant, Vanessa Jane
- Plantagenet, 'Old Dick' to Platt, Joan Elizabeth
- Platt, John to Playne, William Heyworth
- Playre, Innes to Plettenberg, Philippa Gräfin von
- Plettenberg, Philippe Friedrich Ida Mariano Graf von to Pleydell-Bouverie, Mary
- Pleydell-Bouverie, Mary Augusta Frederica to Plowden, Katherine
- Plowden, Lettice to Plumer-Ward, Robert
- Plumier, Joyce to Plunket, Charlotte
- Plunket, Charlotte Emmeline to Plunkett, Augusta Anna Margaret
- Plunkett, Barnewall to Plunkett, Matthew Patrick
- Plunkett, Matthew Penson to Poche-Lettmayer, Theresa Baronin von
- Pochhammer, Clara von to Poer, Mary Olivia Augusta de la
- Poer, Mary Valerie Meynella de la to Poland, Sigismund I of
- Poland, Sigismund II of to Pole, Henrietta Maria Sarah
- Pole, Henry to Pole, William Templer, 7th Bt.
- Pole, William, 1st Duke of Suffolk to Polk, Virginia
- Polk, William to Pollen, Marcus
- Pollen, Margaret Anne to Pollock, David
- Pollock, David Bertram, 2nd Viscount Hanworth to Pollock, Patricia Clarice Marion
- Pollock, Patricia Diana to Polwarth, Viscount (Alexander)
- Polwhele, Edward to Pomfret, Virgil Alexander Dominic
- Pomiers, Seigneur de (Claude) to Ponsonby, Ashley George
- Ponsonby, Ashley George John to Ponsonby, Kathleen Eva
- Ponsonby, Kathleen Helen to Pontac, Yolande de
- Pontavice de Renardières, Catherine de to Poole, Frank
- Poole, Fred to Poor, William Cuthbert
- Poore, 1st Baronet, of Rushall, Wiltshire (John Methuen) to Pope, Dulcie May
- Pope, Dylan James to Pope, William Agnew
- Pope, William Cash to Porch, unknown
- Porcher, Agnes Adela to Portal, Henry
- Portal, Henry Raymond to Porter, Arza
- Porter, Arza P. to Porter, Monica Ruth Lisalie
- Porter, N. D. to Portlock, Nathaniel James
- Portman of Bryanston, 10th Viscount, co. Dorset (Christopher Edward Berkeley) to Portman, Wyndham Berkeley
- Portmann, Cheryl Lynn to Poschinger, Vollrad-Joachim Ritter und Edler von
- Posern, Edwina von to Potocki, Tomasz
- Potocki-Sapieha, Jakub to Potter, Randolph Bryan Stuart
- Potter, Rebecca Gilchrist to Pougatch, Victoria Laura Maria Magdalene
- Pouget de Nadaillac, Elizabeth du to Poulton, William James
- Poumirau, Claudine Thérèse to Powell, Annie
- Powell, Annie to Powell, Gwendoline R.
- Powell, Gweneth Joan to Powell, Norman S.
- Powell, Oliver Michael Folliott to Power, Bridget Maria
- Power, Bridie Maureen McLannahan to Power, Julia
- Power, Julia to Power, William
- Power, William to Powley, Robert
- Powna, Jane to Powys, Mary Theresa Gwendoline
- Powys, Matthew Robert Lilford to Poynter, Thomas
- Poynting, Maria to Poyntz, John David Pierrepont
- Poyntz, John Gregory Newdigate to Poyzer, William
- Pozdyeev, Praskovya Sergyeevna to Pratchett, Henry William
- Pratchitt, Dorothy Ann to Pratt, John S.
- Pratt, Jonah to Preece, Tessa Gillian Rosamond
- Preedy, Benjamin to Prendergast, William de
- Prendergast-Smyth, John to Presenzano, 5th Duca di (Pasquale)
- Presgrave, Charles Henry to Preston, Edith Sheilah
- Preston, Edmund Philip Jenico to Preston, Margaret
- Preston, Margaret to Preston, Yvonne
- Preston-Jones, Mair to Preußen, Franz Wilhelm Viktor Christoph Stephan Prinz von
- Preußen, Frederick Nicholas Prinz von to Preußen, Prinzessin
- Preußen, Prinzessin to Preysing-Lichtenegg-Moos, Mechtilde von
- Preysing-Lichtenegg-Moos, Pauline von to Price, D. K.
- Price, Daniel to Price, Ione
- Price, Iris to Price, Michael Craig
- Price, Michael Crofton Hilton to Price, Unknown Daughter
- Price, Unknown Daughter to Prideaux, Edmund
- Prideaux, Edmund to Priestley, Susan Margaret
- Priestley, Susannah Caroline Louise to Primrose, James
- Primrose, James to Pringle, Christopher Charles Theodore
- Pringle, Clare to Pringle, Winifred Olive
- Prinkley, John to Pritchard, Herbert
- Pritchard, Hope Frances to Privett, Sophie Madeleine Campbell
- Priyadarshini, Adity to Prochurska, Daria Maria
- Procope, Yvonne to Proctor-Beauchamp, Violet Charlotte Julia Maria
- Proddow, Benjamin to Provence, Louis 'the Blind'
- Provence, Louis, King of Italy to Pryor, Edwin Roderick
- Pryor, Elizabeth Charlotte Louisa to Puckler von Schwichow, Wendt-Wilhelm Graf von
- Puckler, Christian Wilhelm Karl Graf von to Puhris, Michael Albert
- Puigcerver, Jose Maria to Pullen, William Christopher Wyldbore
- Puller, Christopher to Purcell, Daphne Marie
- Purcell, David Frederick to Purdie, Thomas
- Purdin, Jane to Pursey, Thomas William
- Purslow, Charles to Putland, W.
- Putley, Eva Miriam Lancaster to Pye, William James Boileau
- Pye-Bennet, Elizabeth to Pym, Richard Anthony
- Pym, Rita to Pérez de Guzmán el Bueno y Salabert, Narciso
- Pérez de Guzmán el Bueno y Seebacher, Tatiana to Quarles van Ufford, Willem Maurits C.
- Quarles, Anne to Queensberry, Marchioness of (Sibyl)
- Queirolo, Rosa to Quill, William
- Quilliam, Elizabeth to Quinlan, Penelope Jane
- Quinlivan, Adelaide Winifred to Quintal, Charles Stephen
- Quintal, Charles Thornton to Quintal, John James Heywood
- Quintal, John Matthew Patteson to Quintal, Tessa
- Quintal, Theodosia Irene to Raalte, Noel van
- Raaphorst, Bartholomeus van Heer van Zoeterwoude to Radcliffe, Anthony
- Radcliffe, Anthony to Radcliffe, Mary
- Radcliffe, Mary Agnes Katharine to Radford, John Heynes
- Radford, John Hieron to Radziwill, Janusz
- Radziwill, Januz to Rae, William, 3rd Bt.
- Rae-Fraser, Douglas to Ragnvaldsson, Turf-Einar, Earl of Orkney
- Ragnwald, unknown of to Raine, Susan
- Raineau, Daniel to Rait, William
- Raith, Lord (Alexander) to Ralli, John Richard
- Ralli, John Stephen to Ram, Winifred
- Ramacos, Manfredi GRAVINA Di to Ramsay, Alexander
- Ramsay, Alexander to Ramsay, Emily May
- Ramsay, Emma to Ramsay, John, of Whitehill
- Ramsay, Jonathan Chandler Burnett to Ramsay, Stella
- Ramsay, Susan to Ramsbotham, John
- Ramsbotham, John to Ramsden, Henry James
- Ramsden, Henry Plumptre to Ramsey, Winifred Geraldine
- Ramshaw, Margaret to Randell, William
- Randerson, Baroness, of Roath Park in the City of Cardiff (Jennifer Elizabeth) to Ranger, Sarah Jane
- Rangoni, Alda to Rankine, Prudence Lucy
- Rankine, Roger Aiken to Rapp, Susannah
- Rappard, Alexander Carel Paul George Ridder van to Rasmussen, Sophia
- Raso, Priscilla to Rathdowne, Countess of (Frances Mary)
- Rathenow, Wilhelmine von to Raule, Sonia
- Raulo, Cynthia to Ravenshaw, Rose Melley
- Ravenshaw, Sarah to Rawlin, William Bradbury
- Rawling, Thomasin to Rawlinson, Margarette Kennard
- Rawlinson, Maria to Ray, Matilda Elvina
- Ray, Matilda Elvina to Rayner, John Merrick
- Rayner, Katharine Anne to Rea, William Alexander
- Reachi, Manuel to Reade, Anne
- Reade, Anne to Reade, Richard
- Reade, Richard to Reagan, William
- Reagh, Catherine to Rechnitzer, Fay Sibyl Marie
- Rechteren, Jacob Hendrik Graaf van to Redfern, William A. K.
- Redfield, Charles M. to Redmayne, John Marriner
- Redmayne, John Marriner to Redwood, William
- Redyk, Janina to Reede, Willem Gustaaf Frederik, 9th Earl of Athlone
- Reede-Ginkel, Countess de (Jemima Helena) to Reeve De La Pole, Margaretta
- Reeve, 1st Baronet (George) to Reeves, Eileen Rosetta
- Reeves, Eliza Izza Maria to Reiche, Victoria von
- Reichenbach, Countess von (Emilie) to Reid, Ellen Catherine
- Reid, Elsie Kate to Reid, Lucy Emmeline
- Reid, Lynette Moira to Reid-Foster, Sandra Muriel Jane Foster
- Reid-Graham, Charles to Reingruber, Maria Creszentia
- Reinhard, Ruedi to Remington, Winifred Emily
- Remington-Hobbs, Alexander Charles to Rendorp, Willem Heer van Marquette
- Renes, Annie to Renshaw, Heather
- Renshaw, Helen to Renwick, Janet Melanie
- Renwick, Janine Elizabeth to Rethel, Joan de
- Rethy, Alexandre de to Reuss zu Schleiz, Viktoria Prinzessin
- Reuss zu Unter-Greiz, Graf (Heinrich V) to Reyloff, Edward
- Reymes, Anne to Reynolds, Edward Vernon
- Reynolds, Elam to Reynolds, Rhoda Clare
- Reynolds, Richard to Reyntiens, Robert
- Reynvoet, Leen Marie to Rhodes, Robert Heaton
- Rhodes, Robert Heaton to Riansares, Fernando de
- Riant, Henrietta to Rice, Emily A.
- Rice, Emily Beatrice to Rich, Charles
- Rich, Charles to Richard, Mary Angela
- Richard, Maurice, 3rd Knight of Kerry to Richards, Jane Scott
- Richards, Janet Katherine Vaughan to Richards, Winifred Josephine Hilda
- Richardson of Callow, Baroness, of Callow in the County of Derbyshire (Kathleen Margaret) to Richardson, Emily
- Richardson, Emily Frances to Richardson, Katharine
- Richardson, Katherine to Richardson, Thomas
- Richardson, Thomas Martinson to Richmond, Anne Moreen
- Richmond, Arnold to Rickard, Virginia Claire
- Rickards Collinson, Anthony Raymond to Ricketts, Georgiana
- Ricketts, Georgiana Mary to Rickman, Za Wilkelmina
- Rickotts, Anna Maria to Riddell, James
- Riddell, James to Riddell, William Carre
- Riddell, William Grant to Ridgely, Sarah
- Ridgen, Francis John to Ridley, Holt Waring
- Ridley, Imogen Sylvia to Ridsdale, William Henry
- Ridware, Jane to Rigby, Juliet Caroline Frances
- Rigby, Karen Joy to Riley, J. C.
- Riley, J. H. to Ring, Michael
- Ringberg, Birgitta Susanne to Ripley, William Hugh, 5th Bt.
- Ripley, William Nottidge to Ritchie, Diana Hope
- Ritchie, Doris Margaretta to Ritson, William Morley
- Ritson, Winifred Mary Milne to Rivett, William
- Rivett-Carnac, 10th Baronet, of Derby and Warborne, Hampshire (Jonathan James) to Rivington, Thurston (Reverend)
- Rivière, Ambroise to Robb, Joanna Frances
- Robb, John to Roberthall, Baron, of Silverspear in Queensland and of Trenance in the County of Cornwall (Robert Lowe)
- Roberti, Carla Maria Francesca to Roberts, David Temple
- Roberts, Dawn to Roberts, Huw
- Roberts, Ian Geoffrey to Roberts, Mary
- Roberts, Mary to Roberts, Ursula Catherine
- Roberts, Valerie to Robertson, Barbara
- Robertson, Barbara to Robertson, Emily Bridget
- Robertson, Emily Jocelyn to Robertson, Jean Isobel
- Robertson, Jean Margaret to Robertson, Mildred Adelaide
- Robertson, Minnie to Robertson, William John
- Robertson, William Kinnear to Robins, Obedience
- Robins, Olive to Robinson, Brian Lewis
- Robinson, Brian Robert Whiteoak to Robinson, Elizabeth
- Robinson, Elizabeth to Robinson, Henry John Goodwin
- Robinson, Henry Mark Hector to Robinson, Lara Camilla Patricia
- Robinson, Laren to Robinson, Nicole Marie
- Robinson, Nigel Anthony to Robinson, Thomas, 2nd Baron Grantham
- Robinson, Thomas, 3rd Bt. to Robson, Deborah Jane
- Robson, Diana to Roche Saint Andre, Segoline de la
- Roche, 1st Baronet, of Carass, co. Limerick (David) to Roche, Pauline
- Roche, Peter James to Rochet, Marie
- Rocheta, Philippa Mary to Rochfort, Thomasine
- Rochfort, Thomasine to Rodd, Yvonne Mary
- Roddam, Adam de to Rodgers, William Thomas, Baron Rodgers of Quarry Bank
- Rodgett, Edith Lord to Rodocanachi, Viera
- Rodriga, Marquesa de la (Angeles) to Roebuck, Valerie
- Roedel-Duffy, G. F. to Rogers, Fenella Jane
- Rogers, Fergus to Rogers, Sarah
- Rogers, Sarah to Rohan, Virginia Putnam de
- Rohan-Chabot, Anne de to Rokesley, Walter
- Rokewood, Alice to Roller, Wolf
- Rolles, Ada Louisa to Rollnick, Steven
- Rollo of Duncrub, 10th Lord, co. Perth (John Rogerson) to Rollo, Ymilia
- Rollo-Bowman-Ballantine, Andrew FitzJames Cuninghame of Ashgrove and Castlehill to Romanones, Conde de (Luis)
- Romanov, Aleksandr to Romanova, Vera Konstantinovna, Princess of Russia
- Romanovich, Yevgeniya Aleksyeevna to Romer, Wolfgang William
- Romer-Lee, Anthony James to ronson, Roy B.
- Roo van Alderwerelt, Constance Wilhelmine Henriëtte de to Rooper, William
- Roos of Belvior, 1st Baron, co. Leicester (John James Robert) to Roper, Elizabeth
- Roper, Elizabeth to Roper-Curzon, Gertrude Harriette Vaughan
- Roper-Curzon, Grey to Rorison, Isobel
- Rork, Ann to Roscommon, 9th Earl of (Robert)
- Roscow, Richard Barnes to Rose, Francis
- Rose, Francis Cyril, 4th Bt. to Rose, Margaret
- Rose, Margaret to Rose-Lloyd, Renée
- Rose-Richards, Helena Margaret to Rosenheim, Max Leonard, Baron Rosenheim
- Rosenholtz, Jerry to Ross, Alexander
- Ross, Alexander to Ross, Elizabeth
- Ross, Elizabeth to Ross, Jean
- Ross, Jean to Ross, Percy Cruden
- Ross, Percy Hall to Rossall, Irena
- Rossana, Noël to Rossmore of Monaghan, Baroness (Valerie Marion)
- Rossmore, Paddy to Rothes, Unknown Daughter
- Rothesay, 1st Duke of (Charles I) to Rothschild, Nicole
- Rothschild, Nili de to Roudabush, unknown son
- Roudiere, Virginie Hélène to Roundway, Baroness (Rosalind Emma)
- Rountree, Alexander to Rouse, Henry
- Rouse, Hesther to Rovereto, Rolando, Marchese di Rivanazzano
- Roviano, Fabrizio di to Rowden, Vera Beatrice
- Rowdon, Cicely to Rowe, Verna Grace
- Rowe, Veronica Mary Rainault to Rowley, Amelia Elizabeth
- Rowley, Amy Isabel to Rowley, Maude Agnes
- Rowley, Maude Alice to Rowsome, Sean
- Rowton, 1st Baron, of Rowton Castle, co. Salop. (Montagu William) to Royden, Quenelda Mary
- Royden, Rachel Mary to Rozoy, Alix Dame de
- Rozum, Gregory to Ruddock, Roland William Edward
- Rudduck, Alan Hamilton to Rue, William Frederick de la
- Rueda y Muniz, Maria Teresa to Ruggles-Brise, William John
- Ruglen, 1st Earl of (John) to Rumbold, William Richard
- Rumbold, William Robert to Rune, Marquis de (Charles Malo)
- Runfelt, Anne Marie to Rushout, Pamela Blanche
- Rushout, Rebecca to Russell, Agatha
- Russell, Agnes to Russell, Charles, Baron Russell of Killowen
- Russell, Charlotte to Russell, Ellen
- Russell, Ellen Katherine to Russell, Hilda Beatrice
- Russell, Hilda Fanny Banger to Russell, Katherine Hamilton
- Russell, Katherine Helen Campbell to Russell, Naomi
- Russell, Natacha Anne to Russell, Tresna Dawn
- Russell, Tryphena to Russia, Oleg of
- Russia, Olga Aleksandrovna of to Rutherford, James
- Rutherford, James Buckley to Ruthven, James, 7th Lord Ruthven of Freeland
- Ruthven, Jane to Rutter, Sarah
- Rutter-Williamson, Gladys Edith to Ryan, Carolyn Anne
- Ryan, Catherine to Ryan, Susan Marian
- Ryan, Teresa Joan to Ryder, Dudley Claud Douglas
- Ryder, Dudley Danvers Granville Coutts, 7th Earl of Harrowby to Ryder, unknown son
- Ryder, Valerie Nina to Rynd, Robert Fleetwood
- Rynes, George Frederick to Saarbrücken, Sophie von
- Saard, Countess de (Ella) to Sacheverell, William
- Sacheverell-Bateman, Anna to Sachsen, Jutta
- Sachsen, Jutta von to Sachsen, Therese Maria Anna Prinzessin von
- Sachsen, unknown Graf aus to Sachsen-Coburg und Gotha, Prinz von (Ferdinand-Christian)
- Sachsen-Coburg und Gotha, Prinz von (Friedrich Josias Carl Edward Ernst Kyrill Harald) to Sachsen-Gotha-Altenburg, Wilhelm Prinz von
- Sachsen-Gotha-Coburg, Johann Casimir Herzog von to Sachsen-Merseburg, Sybil Marie von
- Sachsen-Neustadt, Dorothea Charlotte von to Sachsen-Weimar-Eisenach, Wilhelmine Auguste von
- Sachsen-Weissenfels in Barby, Georg Albrecht Herzog von to Sackville, Xenia
- Sackville-West, Amalia to Sadler, Mary
- Sadler, Mary to Sainsbury, Sainsbury Langford
- Sainsbury, Sarah to Saint Oswald of Nostell, Baroness (Marie Wanda)
- Saint Paul, Dorothea Le-Tanneux von to Sainthill, Wilmot
- Sainton, Barbara Catherine to Saldanha Oliveira e Daun, João-Carlos de Cruz Vidal de
- Saldern, Charlotte Juanita Akazie Nerina von to Salis, Norma Christine de
- Salis, Paul Gregory de to Salley, Stephen Harlan
- Sallier de la Tour, Carlo, 8th Marquis de Cordonn et Combloux to Salm-Salm, Flaminia Prinzessin zu
- Salm-Salm, Florentin Prinz zu to Salmon, Felix Addison
- Salmon, Fiona Mary to Salt, Elizabeth
- Salt, Emma Dove Octaviana to Salter, Sebastian Leo D.
- Salter, Sheila to Salusbury-Trelawny, William Lewis, 8th Bt.
- Salusbury-Trelawny, William Owen to Sambrooke, Susannah
- Sambucy de Sorgue, Alexandre Charles Jacques David François Xavier Marie to Samuel, Caroline Jane
- Samuel, Cecily to Samuelson, Godfrey Blundell
- Samuelson, Godfrey Weston Rhodes to Sandars, Virginia Frances Zerlina
- Sanday, Annie Gertrude to Sanders, Grissell
- Sanders, Guy Dominic Robson to Sanderson, Charles Russell, Baron Sanderson of Bowden
- Sanderson, Charles William to Sanderson, Thomas George
- Sanderson, Thomas Henry, 1st and last Baron Sanderson to Sandham, Mary Louisa
- Sandhauch, Andrew of to Sandilands, Tallulah
- Sandilands, Thomas to Sandys, Anne
- Sandys, Anne to Sanford, William
- Sanfree, Anthony Emanuel, Count of Sanfree to Santa Elena de Guardiola, Maria de las Augustinias de
- Santa Elena, 2° Duque de (Alberto María Francisco de Paula Enrique Vicente Ferrer Luis Isidro Benigno Oscar) to Sarabhai, Surajram
- Sarabia, Jose Luis, Marqués de Hazas to Sarsfield-Hall, Winifred May
- Sarsfield-Sampson, Francis to Satchwell, Mary E.
- Satchwell, Pamela to Saumarez, Thomas
- Saumarez, Thomas Le Marchant to Saunders, Janet
- Saunders, Janet to Saunderson, Francis Ernest Dominic
- Saunderson, George, 5th Viscount Castleton to Savage, Dorothy
- Savage, Dorothy to Saverby, Mary
- Saverio D'Ayala, Donna Agatina to Savile, Isabel
- Savile, Isabel to Savill, Victoria Penelope Diana
- Saville of Newdigate, Baron, in the County of Surrey (Mark Oliver) to Savoia, Philip I Conte di
- Savoia, Philip, Comte de Genève to Sawbridge, Victor Walter
- Sawbridge-Erle-Drax, John Charles William to Saxe-Coburg and Gotha, Victoria Patricia Helena Elizabeth, Princess of Connaught and Strathearn
- Saxe-Coburg-Gotha, Edward Albert Christian George Andrew Patrick David to Sayers, William Higley
- Sayle, Jane to Sayn-Wittgenstein-Hohenstein, Wenzel Max Erbprinz zu
- Sayn-Wittgenstein-Hohenstein-Vallendar, Concordia Gräfin zu to Scally, Patrick
- Scamell, Emma to Scarborough, W. Paton
- Scarbrough, 10th Earl of (Alfred Frederick George Beresford) to Scarr, Susan Renforth
- Scarrott, Alison to Schaffgotsch, Wenzel Graf
- Schagen, Jacoba Hester van to Schaumburg-Lippe, Tatjana-Sybille Prinzessin zu
- Schaumburg-Lippe, Unnamed son zu to Schenk, Veronica
- Schenkel, Aaron James to Schiller, William Francis
- Schilling von Canstadt, Karoline Gräfin to Schleswig-Holstein-Sonderburg in Norburg, Wilhelmine Auguste von
- Schleswig-Holstein-Sonderburg, Adolf von to Schleswig-Holstein-Sonderburg-Glücksburg, Christian August zu
- Schleswig-Holstein-Sonderburg-Glücksburg, Christiana Ernestine zu to Schleswig-Holstein-Sonderburg-Plön, unknown von
- Schleswig-Holstein-Sonderburg-Rethwisch, Joachim Ernst II Herzog von to Schmidt, William John Louis
- Schmidt-Chiari, Guido Nikolaus to Schoelles, Margaret Jane
- Schoemaker, Johanna to Schomberg, unknown
- Schomburg-Wechselberg, Jeromia Gräfin von to Schreiber, Olivia Mary Clara
- Schreiber, P. B. (Colonel) to Schultz-Süchting, Nikolaus
- Schultze, Christina to Schwabe, Walter George Salis (Sir)
- Schwaben, Alderich Graf von to Schwarzenberg, Prinz zu (Adolf Joseph)
- Schwarzenberg, Prinz zu (Alexander Holden) to Schönborn-Wiesentheid, Georg Friedrich Graf von
- Schönborn-Wiesentheid, Gerolf Max Karl Zdenko Rudolf Heironymus Maria Graf von to Schönburg-Waldenburg, Maria Karl Leopold Salvator Ernst Anton Joseph Franz Xaver Friedrich Bonifacius Benno Jaime
- Schönburg-Waldenburg, Maria Marewa von to Scobell, Susan Jane
- Scobhill, Elizabeth to Scotland, Matilda of
- Scotland, Octreda to Scott, Amy Elizabeth
- Scott, Amy Elizabeth to Scott, Catherine
- Scott, Catherine to Scott, Edward James Saim
- Scott, Edward Jervoise Ferrand to Scott, George Frederick
- Scott, George Frederick Buchan to Scott, James Douglas
- Scott, James Edward to Scott, John of Scotstarvit
- Scott, John of Spencerfield to Scott, Margaret Moncrieffe
- Scott, Margaret Nicholson to Scott, Patrick of Ancrum
- Scott, Patrick of Kirkstyle and Ancrum to Scott, Sophie Diana
- Scott, Sophie Katherina Rosie to Scott, Walter, 4th of Buccleuch
- Scott, Walter, Earl of Tarras to Scott-Kerr, William Kerr
- Scott-Langley, David Lionel to Scrimgeour, Phyllis
- Scrimgeour, Robin to Scrope, Valentina Jane
- Scrope, Victoria Emily Louise to Scudamore, Ruth
- Scudamore, Sarah to Seager, Zoë Leighton
- Seagram, Mary Anne Laetitia to Sealy, Winthrop Baldwin
- Seaman, Anna Maria to Seaton, William John
- Seatow, Kathrin Elizabeth to Sebright, William
- Sebrinski, Ethel to Sedley, Jane
- Sedley, John to Seely, Peter John Philip, 5th Baron Mottistone
- Seely, Philip Frank Evelyn to Sehn, Kathleen
- Seiber, Julia Mary to Selby, Mary
- Selby, Mary to Self, William Woodard
- Selfe, Anne to Selvey, Stanley
- Selvo, Domenico, Doge of Venice to Sempill, Robert de
- Sempill, Robert de to Sepulveda, Yavier Tamblay
- Sequard, Charlotte Brown to Serjeantson, William Rookes Leedes
- Serle, Anne Lawrence to Sessa, Leopoldo de
- Sessions, Colin Montague Blair to Seton, Eliza Henrietta
- Seton, Elizabeth to Seton, Mary
- Seton, Mary to Severne, Thomas
- Severo Isasmendi Gimson, Nicolás to Seyers, Susan
- Seyffert, Maria Josepha Gräfin von Heydeck to Seymour, Charlotte Emily
- Seymour, Charlotte Frances Frederica to Seymour, Gertrude Ethel Maud
- Seymour, Gertrude Frances to Seymour, Marion Cecile
- Seymour, Marjorie Elizabeth to Seymour, William, 3rd Duke of Somerset
- Seymour, William, Lord Beauchamp to Shackleton, Sarah Caroline
- Shackleton, Theobold to Shakerley, Elizabeth
- Shakerley, Elizabeth to Shakespeare, Thomas
- Shakespeare, Thomas to Shannon, Dean Ryan
- Shannon, Debbie to Sharp of Grimsdyke, Baron, of Stanmore in the London Borough of Harrow (Eric)
- Sharp of Guildford, Baroness, of Guildford in the County of Surrey (Margaret Lucy) to Sharpe, Catherine
- Sharpe, Catherine L. to Sharratt, Sylvia
- Sharrer, Anne Page to Shaw, Blanche Ellen
- Shaw, Bridget to Shaw, Gelda Susan Marjorie
- Shaw, Geoffrey de Courcy to Shaw, John Robin Huntly
- Shaw, John Stanley to Shaw, Robert
- Shaw, Robert to Shaw-Lefevre-St. John-Mildmay, Violet Vane
- Shaw-Mackenzie, Alexander Nesbitt Robertson to Shawcross, William Tuer
- Shawe, Albinia Hester to Shee, William Archer
- Sheean, Diana to Sheffield, Mary Patience
- Sheffield, Mary Sarah to Shekleton, William Henry
- Shelbourne, Arabella Frances to Shelley Sidney, Philip Charles
- Shelley, 10th Baronet, of Castle Goring, co. Sussex (Philip John Algernon) to Shelley, Richard
- Shelley, Richard to Shepard, William Peter
- Sheperd, Gwladys Sigrid to Shepherd, W. J.
- Shepherd, Walter E. to Sherard, Castell
- Sherard, Castell to Sheremetev, Boris Sergyeevich
- Sheremetev, Boris Vladimirovich to Sheridan, Catherine
- Sheridan, Catherine to Sherlock, William
- Sherlock, William to Sherwin, William
- Sherwood, 1st Baron, of Calverton, co. Nottingham (Hugh Michael) to Shields, James Surget III
- Shields, James Surget IV to Shillington, Thomas Gerard
- Shillito, Catherine to Shires, Violet Lillian Ernestine Campbell
- Shirey, Francis Martin to Shirley, Mary Louisa Phyllis
- Shirley, Mary Teresa to Shone, Sonya Louise
- Shonfeld, Caroline to Shoppee, Joan
- Shoppee, Joan Laetizia to Shore, Joanne Susan
- Shore, Johane to Shorter, Thomas
- Shorthose, Ann to Shropshire, John
- Shrouder, Sarah to Shuldham, William Lemuel
- Shuldham-Legh, Frances Jane to Shuttleworth, Lucy
- Shuttleworth, Margaret to Sicily, William, Duke of Athens
- Sickingen, Anna Sofie Carol to Sidmouth, Viscountess (Ursula Mary)
- Sidnell, Adrienne to Signorelli, Paola
- Signorini, Margherita to Silva y Gonzalez de Candamo, Clothilde de
- Silva y Goyaneche, Luis, 19° Marques de Zahara to Sim, Zenia Sophia
- Simaika, Minora to Simeon, Zenya Jade
- Simes, Nathaniel to Simmons, William
- Simmons-Green, Beryl Kathleen to Simonds, Mary Zillah
- Simonds, Matthew Daniel to Simpson, David James Brendan
- Simpson, David Melville Bromby to Simpson, John Price
- Simpson, John Robert to Simpson-Orlebar, Michael Keith Orlebar
- Simpson-Pedler, Magdalen Blanche to Sinclair, Anne
- Sinclair, Anne to Sinclair, Eve
- Sinclair, Evelyn Beatrice to Sinclair, Janet
- Sinclair, Janet to Sinclair, Margaret
- Sinclair, Margaret to Sinclair, William of Freswick
- Sinclair, William of Freswick to Single, Toni Christie
- Singleton, Adelaide Mary to Sissison, Olive Amy
- Sissmore, Mary to Sivas, Diane
- Siverio Sánchez, Félix José to Skeffington, Hungerford Colwood Clotworthy
- Skeffington, Hungerford Henry to Skene, Gilbert
- Skene, Gilbert of that Ilk to Skillicorn, Thomas
- Skillicorne, Adam to Skinner, Rose Marian
- Skinner, Ruth to Skipwith, Frederick
- Skipwith, Frederick to Skipwith, William
- Skipwith, William to Skutt, Martha
- Skybak, Helen to Slade, James
- Slade, James to Slane, Viscount (Henry Vivien Pierpont)
- Slaney, Anne to Slazenger, Wendy Anne Pauline
- Sleap, Emily to Sligo, Ronald William of Inzievar
- Slim, 1st Viscount, of Yarralumla in the Capital Territory of Australia and of Bishopston in the City and County of Bristol (William Joseph) to Sloggett, Sylvia
- Sloman, Beverley Ann to Small, William George (Colonel)
- Small-Keir, Amelia Francis Balfour Balbuirnie to Smedley, Michael
- Smee, Fara Mary Nicola to Smiley, Sarah Caroline
- Smiley, Sarah Miranda to Smith, Agnes
- Smith, Agnes to Smith, Ann Rachael
- Smith, Ann T. to Smith, Benjamin
- Smith, Benjamin to Smith, Charles Felton
- Smith, Charles Francis to Smith, Delos Grosvenor
- Smith, Dena Louise to Smith, Elizabeth
- Smith, Elizabeth to Smith, Ernald Mosley
- Smith, Ernest to Smith, Geoffrey Wilfred Melson
- Smith, Geoffrey Wontner to Smith, Harriet Maria Hoare
- Smith, Harriet Mathilad to Smith, Isabella
- Smith, Isabella to Smith, Jill Mary
- Smith, Joan to Smith, Julia Jane
- Smith, Julia Katherine to Smith, Lucy
- Smith, Lucy to Smith, Mary
- Smith, Mary to Smith, Monica Churchward
- Smith, Monica Victoria to Smith, Ralph
- Smith, Ralph Burgess to Smith, Samuel
- Smith, Samuel to Smith, Terence William Devey
- Smith, Teresa Caroline Harington to Smith, Walter Edward
- Smith, Walter Fryer to Smith-Bingham, Tom Alexander
- Smith-Bosanquet, Angela Margery to Smith-Stanley, Lucy
- Smith-Thomas, Eleanor Mary Tydfil to Smyly, Helen Jill
- Smyly, Henrietta E. L. to Smyth, Georgiana
- Smyth, Georgiana to Smyth, Richard
- Smyth, Richard to Smythe, Emily Anne
- Smythe, Emily Beatrice to Snead, William
- Sneddon, Andrew Graham to Snell, William
- Snell, William Theodore Willoughby to Snoulton, Osborn
- Snow, Abel to Snowden, John
- Snowden, John to Soares, Rebecca
- Sobakin, Antoniya to Solly, William Herbert
- Solmes, Marion Church to Solms-Rödelheim und Assenheim, Wilhelm Karl Ludwig Graf zu
- Solms-Rödelheim, Georg Ludwig Graf zu to Somers, William
- Somers-Cocks, Adeline Marie to Somerset, Elizabeth
- Somerset, Elizabeth to Somerset, Malcolm Bruce
- Somerset, Malcolm Bruce to Somerton, Viscuntess (Jane)
- Somervail, Grize to Somerville, Margaret
- Somerville, Margaret to Sommers, Thyra Letitia Alexandra
- Sommerschenburg, Friedrich IV Graf von to Sorensen, William James
- Sorenson, Duke to Sotheby, William Ernest
- Sotheran, Fanny to Southaic, John
- Southall, Barbara Marianne to Southey, John
- Southey, John to Southwell, Richard
- Southwell, Richard to Sozzani, Gilberto
- Spaak, Corinne to Sparkes, Weston Joseph
- Sparks, Ann to Spear, William
- Speare, Charlotte Gertrude to Spee, Hubertus Graf von
- Spee, Ignaz Graf von to Speir, Zara Mary
- Speirs, Alexander Graham to Spencer of Althorp, Viscountess (Margaret Georgiana)
- Spencer of Wormleighton, 10th Baron (George) to Spencer, Elizabeth
- Spencer, Elizabeth to Spencer, Leonie Margaret
- Spencer, Lilian to Spencer, William George
- Spencer, William H. to Spencer-Philips, Diana Valerie
- Spencer-Phillips, Elizabeth Joan to Spens, Isabel Sara
- Spens, Isabella Elizabeth to Sperber, Karl
- Sperling, Alanna Claire to Spickernell, Susan
- Spickett, James Edward to Spindel, Victor Erwin
- Spinelli Barrile, Benedatta to Spooner, Isaac
- Spooner, Isaac to Spread, Elizabeth Catherine
- Spread, Ella to Spring Rice, Theodosia Mary Ann
- Spring Rice, Thomas Aubrey Edmond to Sprong, Sharon
- Spronken, Abigail Robyn Kennedy to Spurstow, William de
- Spurway, Agnes to St. Amand, Martha
- St. Andrew, Barbara to St. Aubyn, Zenobia
- St. Aubyn-King, Beryl Evelyn to St. Clair, Vanessa Alice Rosabelle
- St. Clair, Violet Christina to St. George, Elizabeth
- St. George, Elizabeth to St. George, Rosamund Frances Catherine
- St. George, Rose to St. John, Angelica Magdalena
- St. John, Ann to St. John, Frances Dalmahoy
- St. John, Frances Dorothy to St. John, Lucy
- St. John, Lucy to St. John, St. Andrew
- St. John, St. Andrew Beauchamp, 15th Baron Saint John to St. John-Mildmay, Wyndham Paulet
- St. John-O'Connor, Kitty to St. Leger, Harriet
- St. Leger, Harriet to St. Maur, Violet
- St. Mauro, John de to Stacey, William Percival
- Stacey-Cleminson, Florence to Stacpoole, George Fergus
- Stacpoole, George Geoffrey Robert Edward, 6th Duc de Stackpoole to Stacpoole, Worth
- Stacpoole-Mahon, Geraldine Frances Jane to Stafford, George Basil
- Stafford, Georgena Barbara to Staglieno, Pierdomenico
- Stagnetto, Antoinette Fionna to Stallard, Vanessa
- Stallard-Penoyre, Anna Maria Brodbelt to Stamp, Laurence Dudley
- Stamp, Lucinda Jane to Standing, Wyndham
- Standish O'Grady, Jane Elizabeth to Stanhope of Shelford, Baroness (Catherine)
- Stanhope, 1st Baronet, of Stanwell House, co. Middlesex (Henry Edwyn) to Stanhope, Margot
- Stanhope, Maria to Stanley of Preston, 3rd Baron, co. Lancaster (Edward Richard William)
- Stanley, 'Radical Rosalind' to Stanley, Edward Murray
- Stanley, Edward Richard William, 19th Earl of Derby to Stanley, Katherine Mary
- Stanley, Kathleen Margaret to Stanley, Timothy
- Stanley, Timothy to Stanser, Mary Ann
- Stansfeld, Agnes to Staples, Bronwyn Claire
- Staples, Cameron Bruce to Stapleton, Elizabeth
- Stapleton, Elizabeth to Stapleton-Bretherton, Winifred Mary
- Stapleton-Cotton, Alice Hester Camilla to Starkey, Gillian Mary
- Starkey, Gwendoline Mary to Stauf, Herr zu (Johann)
- Staufen, Anton Freiherr von to Stavely, Henrietta Rose
- Staventon, Joan to Stebbing, John Henry
- Stebbings, Archie David to Steel, Joseph
- Steel, Juanita Ann Stewart to Steele, Valerie Ann
- Steele, Violet Myra to Stein, Therese, Baroness of Nassau
- Stein-Liebenstein, Caroline von to Stenbock, Hedvig Sophia von
- Stender, Frauke to Stephen, Willoughby
- Stephens, 1st Baronet (Philip) to Stephens-Townshend, Rose-Marie Elizabeth
- Stephenson, 1st Baronet, of Hassop Hall, co. Derby (Henry Kenyon) to Stephenson, Susan Lesley
- Stephenson, Susan Madeleine to Stern, Reginald Carter
- Stern, Renate to Steuart, David
- Steuart, David to Stevens of Kirkwhelpington, Baron, of Kirkwhelpington in the County of Northumberland (John Arthur)
- Stevens of Ludgate, Baron, of Ludgate in the City of London (David Robert) to Stevens, Melanie Barbara
- Stevens, Melinda Armyne to Stevenson, Florence Johanna
- Stevenson, Florence Louisa to Stevenson, Richard
- Stevenson, Richard to Steward, Ursula Alice
- Steward, Valmai to Stewart, Alexander
- Stewart, Alexander to Stewart, Anne
- Stewart, Anne to Stewart, Cecil Francis
- Stewart, Cecil George Graham to Stewart, E. M.
- Stewart, Eddie to Stewart, Finvola
- Stewart, Fiona Jane to Stewart, Henry Hutchinson
- Stewart, Henry James to Stewart, James of Burray
- Stewart, James of Burray, 3rd Bt. to Stewart, Joan Eunice
- Stewart, Joan Margaret Vere to Stewart, Keith
- Stewart, Keith Anthony to Stewart, Margaret Rosalin
- Stewart, Margaret Shaw to Stewart, Michel Paul
- Stewart, Michelle to Stewart, Robert, 1st Marquess of Londonderry
- Stewart, Robert, 1st of Fincastle to Stewart, unknown daughter
- Stewart, unknown daughter to Stewart, Zoë Leighton
- Stewart-Bam, Margaret Agnes to Stewart-Richardson, Neil Graham
- Stewart-Richardson, Neil Graham John to Stilgoe, Wilfred Hamilton
- Still, Alexander Christopher to Stirling, Anne Dorothea
- Stirling, Anne Douglas to Stirling, Janet
- Stirling, Janet to Stirling, Sharon Helene
- Stirling, Sheelagh Kathleen to Stobart, Elizabeth
- Stobart, Elizabeth to Stockdale, Mary Louisa
- Stockdale, Mary Martha Margaret to Stocks, Simon
- Stockton, 1st Earl of (Maurice Harold) to Stogdale, Will Benedict
- Stogdon, Audrey Edith to Stokes, William Noel (Brigadier)
- Stokholm-Hestbeck, Ebba to Stolberg-Stolberg, Wolfgang-Heinrich Fürst zu
- Stolberg-Wernigerode in Jannowitz, Constantin Graf zu to Stone, Henrietta Mary
- Stone, Henry to Stones, William Benson
- Stonesifer, Margaret Vivian to Stoney, Margaret Elinor
- Stoney, Margaret Henrietta to Stonhouse, John, 2nd Bt.
- Stonhouse, John, 2nd Bt. to Stonor, Sophie Ulla
- Stonor, Stella Frances Ursula to Stopford, Edward Charles John
- Stopford, Edward Kennedy to Stopford, Robert Wilbraham
- Stopford, Robert, Baron Stopford to Storkey, Helen Ruth
- Storking, unknown to Stott, John
- Stott, John to Stourton, Frederick John Nigel
- Stourton, Frederick Joseph to Stow, William
- Stow, William to Stracey-Clitherow, Winifred
- Strachan, 6th Baronet (Richard John) to Strachey, Jane
- Strachey, Jane Alice to Stradling, Thomas
- Stradling, unknown daughter to Strang Steel, Rosetta
- Strang Steel, Sam Arthur to Strange, 9th Baron, of Knokyn (George)
- Strange, 9th Baroness, of Knokyn (Joan) to Strangman, Thomas
- Strangwayes, D'arcy Edward to Strathclyde, Run of
- Strathcona and Mount Royal, 1st Baron, of Glencoe, co. Argyll, and of Mount Royal, Quebec, Canada (Donald Alexander) to Stratton, Pamela Matilda
- Stratton, Patrick Michael to Streatfeild, Richard John
- Streatfeild, Richard Shuttleworth to Stricevic, Milorad
- Strichelbaut, Claire Frederique to Strickland, Milcha
- Strickland, Monica Lucy Ann to Stringer, Thomas
- Stringfellow, Ann to Strong, Thomas Hugh
- Strong, Thomas Linwood to Stroyan, Susan Clare
- Strozzi Altoviti, Lorenzo to Strutt, Norah
- Strutt, Norah Emily to Stuart, Anna Frances
- Stuart, Anna Knutzen to Stuart, Edgar, 1st and last Duke of Cambridge
- Stuart, Edith to Stuart, Henry Macnab
- Stuart, Henry, 1st and last Duke of Gloucester to Stuart, Marcia
- Stuart, Margaret to Stuart, Simeon Henry Lechmere, 7th Bt.
- Stuart, Simeon Henry, 5th Bt. to Stuart-Mackenzie, John
- Stuart-Menteth, 1st Baronet, of Closeburn, co. Dumfries and Mansfield, co. Ayr (Charles Granville) to Stuart-Wortley-Mackenzie, Victoria Alexandrina Maria Louisa
- Stubbe, Alice to Stubenberg, Johann Nepomuk Herr und Graf von
- Stubenberg, Johann Nepomuk Herr und Graf von to Stucley, Hugh Nicholas Granville, 4th Bt.
- Stucley, Humphrey St. Leger to Studdert, Bryan L.
- Studdert, Burton to Studdert, Gertrude Marie
- Studdert, Gertrude Mary FitzGerald to Studdert, Mary
- Studdert, Mary to Studdert, Virginia
- Studdert, Virginia Lightner to Stuers, Victor Eugène Louis de
- Stuke, Anne to Sturgis, Violet Elizabeth
- Sturler, Adolphe Auguste de to Style, Charles Montague
- Style, Charles Richard to Style, William Montague, 12th Bt.
- Styleman le Strange, Ada to Sudeley, Margery
- Sudeley, Margery to Sugrue, Shona Iris
- Suhr, Oluf Brent Augustus to Sullivan, Mary Anne
- Sullivan, Mary Augusta to Summers, John
- Summers, John David to Sunderland, Richard
- Sunderland, Richard to Surrey, H. G.
- Surriage, Agnes to Suter, Lily
- Suthat na Ayuthya, Anjarat Daniela to Sutherland, G. D. McK.
- Sutherland, George to Sutherland, Tracey
- Sutherland, unknown to Sutton, Cicely de
- Sutton, Clare Lydia to Sutton, John Manners
- Sutton, John Ormerod to Sutton, Warrick
- Sutton, Wilfred Moxhay to Swaffin, Judith Marian
- Swailes, Ann to Swan, William, 1st Bt.
- Swanborough, Baroness, of Swanborough in the County of Sussex (Stella) to Swayne, William Shuckburgh
- Swayne-Shaw, Harry to Sweet, William James
- Sweet-Escott, Elizabeth to Swift, Frances
- Swift, Frances to Swinfen, Samuel
- Swinford, Kieran to Swinton, John of that Ilk
- Swinton, John of that Ilk to Swithinbank, Phoebette
- Switzer, E. D. to Sydney, William
- Sydney-Jones, Charles to Sykes, Ellen
- Sykes, Emma Catherine Gully to Sykes, Rachel Mary
- Sykes, Rebecca Marguerite to Symes, Wymond Cory
- Symes-Bullen, John Bullen to Symons, Mary Elinor
- Symons, Marygold Cecilia Charlote to Synge, Laura
- Synge, Laura Eileen to Szek, Sarolta Teleki Gräfin von
- Szeluk, Agnieszka D. to Sönghen, Hans
- Süsskind, Beatrix Julie Theodora Marie Mathilde von to Tabraham, Githa Gwendoline
- Tabran, Alice to Tailyour, Veryan
- Taine, Arthur Barnard Effingham to Talbot Rice, Victoria May
- Talbot Rice, Victoria Penelope Helen to Talbot, Dorothy Maynard
- Talbot, Dorothy Olive to Talbot, Henry Charles
- Talbot, Henry FitzRoy George to Talbot, Mary
- Talbot, Mary to Talbot, unknown
- Talbot, unknown to Tallents, Stephen George
- Taller, Elizabeth to Tancock, Una Dorothy Kendall
- Tancred, 10th Baronet, of Boroughbridge, co. York (Henry) to Tannahill, Margaret
- Tannatt, Edmund to Tapps, Sarah
- Taprogge, Ludwig to Tarratt, William Stewart
- Tarrence, Katherine to Tate, Louis William
- Tate, Margaret to Tatton, William
- Tatton-Brown, Adela Charlotte to Taverner, unknown
- Taverson, Isabella to Taylor, Ann
- Taylor, Ann to Taylor, Colin Ross
- Taylor, Colleen Susan to Taylor, Ethel Grace
- Taylor, Ethel Maud to Taylor, Herbert
- Taylor, Herbert to Taylor, John Robert
- Taylor, John Sharp to Taylor, Mary
- Taylor, Mary to Taylor, Richard Chambre Hayes
- Taylor, Richard Edward Montagu to Taylor, Thomas, Baron Taylor of Blackburn
- Taylor, Thomasine to Taylour, Madeline Olivia Susan
- Taylour, Marianne to Tebbutt, Matthew
- Tebitt, Edith Lee to Teixeira, Ilda de Jesus
- Teja, Alexandra Sophie to Tempest, George, 2nd Bt.
- Tempest, Grace to Temple, Christiana
- Temple, Christina Philomena Nancy to Temple, unknown
- Temple, unknown to Templeton, William
- Templetown, 1st Baron (Clotworthy) to Tennant, Georgiana Skye
- Tennant, Georgina to Tenny, Samuel
- Tennyson of Aldworth, 1st Baron, co. Sussex and of Freshwater in the Isle of Wight (Alfred) to Terrick, Samuel
- Terrill, Mary to Tester, Rosemary Rita
- Testoni, Lusitania to Teynham, Baroness (Mabel)
- Teynham, Baroness (Margaret) to Thanet, 9th Earl of the Isle of, co. Kent (Sackville)
- Thanisch, Eunice W. to Thellusson, Peter James Hugh
- Thellusson, Peter Richard to Thesiger, Violet
- Thesiger, Virginia Margaret to Thierrée, Jeanne Marie
- Thiersch, Monika to Thomas, Anne
- Thomas, Anne to Thomas, Elizabeth Ellen
- Thomas, Elizabeth Eyre Bryan to Thomas, James Llewellyn Lewes
- Thomas, James Miller Lewes to Thomas, Mary Elizabeth
- Thomas, Mary Frances Isabelle to Thomas, Thomas fitz
- Thomas, Thomas fitz to Thomond, Turlough of
- Thompkins, Lucy to Thompson, Christina Emma
- Thompson, Christina Frances to Thompson, Gavin Eric Andrew
- Thompson, Gay Rosemary Denise O'Grady to Thompson, Joseph Andrew
- Thompson, Joseph Doyle to Thompson, Nicole
- Thompson, Nikki Monica to Thompson, unknown
- Thompson, unknown to Thomsen, Paul
- Thomsett, John to Thomson, George
- Thomson, George to Thomson, Martha
- Thomson, Martha to Thorburn, Winifred Isobel
- Thoreau, Peter Thomas to Thorne, Sylvia
- Thorne, Tania to Thornhill, Sarah
- Thornhill, Sarah to Thornton, John
- Thornton, John to Thorold, Alice
- Thorold, Alice Alicia Anne to Thorold, Margaret
- Thorold, Margaret to Thorp, William
- Thorpe, Albert Parsons to Threlfall, William James
- Threlkeld, Anne to Throckmorton, Muriel
- Throckmorton, Muriel to Thurgau, Warin Graf im
- Thurgood, Alison Siân to Thurn und Taxis, Friedrich Leonhard Ignatius Josef Maria Lamoral Balthasar
- Thurn und Taxis, Friedrich Leonhard Prinz von to Thurnherr, Tatiana
- Thursby, 1st Baronet (John Hardy) to Thwaites, Winifred Mary Gladwin
- Thwaits, Anne to Thynne, Oliver St. Maur
- Thynne, Penelope Jane to Ticey, Roy
- Tichborne, 10th Baronet (James) to Tighe, Theodosia
- Tighe, Theresa to Tillie, unknown daughter
- Tillier Debesse, Marie Claude to Timperley, Mary
- Timpson, Alastair to Tinker, William
- Tinkler, Charlotte Isabel to Tirard, Siobhan Eleanor
- Tirconnell, Lord of (Manus) to Tobin, John Maurice
- Tobin, Margaret to Todd, Margaret
- Todd, Margaret Bayne to Toler, Thomas Clayton
- Toler-Aylward, Ada Jillian to Tollemache, George
- Tollemache, George to Tollemache, Æthel
- Tollemache-Tollemache, Alastair Murray Saxon to Tomes, T. Phillips
- Tomes, Verena to Tomlinson, Willis
- Tomlyn, Ann to Tonning, Joan
- Tonson, Charles Ludlow to Topham, William
- Tophinke, Gertraud Elisabeth to Toron, Humphrey III, Sire de Toron
- Torp, Andreas to Tors, Steven
- Torthorwald, David of Torthorwald to Tottenham, Iona Audrey Armatrude
- Tottenham, Isabel Sinclair to Toulet, Georgina Mary
- Toulmin, Arthur Mervyn to Towell, Susan Joan
- Tower, Adelaide Caroline to Towneley, Grace
- Towneley, Grace to Townsend, Anne
- Townsend, Anne to Townsend, Elizabeth
- Townsend, Elizabeth to Townsend, Janet Mary
- Townsend, Janeth to Townsend, Mercy
- Townsend, Meredith to Townsend, William
- Townsend, William Alfred to Townshend, Elizabeth
- Townshend, Elizabeth to Townshend, Richard Samuel Hungerford
- Townshend, Robert to Tracey, William
- Tracey-Stevens, G. to Trafford, Edward Southwell
- Trafford, Edward William to Trafford, Xandra Carandini de
- Trager, Mathilde to Traill, William Anthony
- Traill, William Stewart to Trasenster, William Augustus
- Trastamara, Bermudo Perez de to Travers, Ronald A.
- Travers, Rosamund St. Leger Shirley to Tredcroft, Theodosia
- Tredegar, 1st Baron (Charles Morgan Robinson) to Tregarthen, Zenobie Margaret
- Tregarthin, Margaret to Trelawny, John
- Trelawny, John to Trench, Anne
- Trench, Anne to Trench, Francis
- Trench, Francis to Trench, Maria Georgina
- Trench, Maria Helene Elizabeth to Trench, William Wallace
- Trench, William Washington to Tresawna, W. S.
- Treschouw, Anna Sara to Trevelyan, Elizabeth Wood
- Trevelyan, Elliot Charles Thomas Thornton to Trevelyan, Susanna
- Trevelyan, Susanna to Trevor, Katherine
- Trevor, Katherine Lily to Trewern, Sabina Ruth
- Trewhella, Alfred Percy to Trimmer, Thomas
- Trimnel, Mary to Tritton, Charles Ernest, 1st Bt.
- Tritton, Charles Robert to Trobridge, John
- Troccoli, Giuseppina to Trollope, Pamela Kennedy
- Trollope, Penelope to Trotter, Colin John Richard
- Trotter, Coutts to Troubridge, Frances
- Troubridge, Helen Cecil Margaret to Trower, Thomas
- Trower, Thomas to Truman, William Thomas
- Trumbull, Charles to Trustram Eve, William Peter
- Trustram, John to Tubman, Robert
- Tuboly, Terez Katherine de to Tucker, Elizabeth
- Tucker, Elizabeth to Tucker, R. Sands
- Tucker, Rachel Claire to Tudor, Oscar
- Tudor, Oswald Peploe to Tufo, Vincent del
- Tufton, 1st Baronet, of Appleby Castle, co. Westmorland (Richard) to Tuite, Margaret
- Tuite, Margaret to Tulloch, Robert
- Tulloch, Robert to Tupper, Thomas
- Tupper, unknown daughter to Turl, Sharon Elizabeth
- Turle, Arthur to Turnbull, William Peveril
- Turner Irton, Alice E. to Turner, Dawson William
- Turner, Deborah to Turner, Harriett Ann
- Turner, Harriette Jane to Turner, Libby
- Turner, Lilian to Turner, Robert Edward III
- Turner, Robert Edward IV to Turner-Cain, Rose
- Turner-Farley, Olivia Anne to Turnour, Robert Chad, 7th Earl Winterton
- Turnour, Robert Charles to Turville, William
- Turville-Constable-Maxwell, Alice Marion to Twaites, Mary Turia
- Twamley, Elizabeth to Tweedy, Winifred Mary
- Twells, A. E. to Twining, Margaret
- Twining, Martha to Twisleton-Wykeham-Fiennes, Gertrude Emily
- Twisleton-Wykeham-Fiennes, Gertrude Theodosia to Twiston-Davies, Zoë Caroline
- Twitchen, George to Tyeys, Margaret
- Tyhurst, James to Tyler, Octavius
- Tyler, Oliver Walter to Tyndale-Biscoe, Yvonne
- Tyndale-Hardy, Charlotte Brittany to Tyringham, William Backwell
- Tyro, Rachel to Tyrwhitt, Elizabeth
- Tyrwhitt, Elizabeth to Tyser, Robert Patrick
- Tyser, Rosemary to Uden, Sebastião Dentinho van
- Udney, Mary to Uloth, Rupert
- Ulrich, unknown to Underdown, Winifred May
- Underhay, Alfred to Ungria y Lòpez, Miriam de
- Uniack, Anne to Unton, Thomas
- Untra-Smith, Dianne Usher to Upton, Frances
- Upton, Frances to Ure, Sharon A.
- Urena, Pedro of to Urquhart, Mary
- Urquhart, Mary to Usher, Francis James
- Usher, Francis James to Ussher, Christopher
- Ussher, Christopher to Ussher, Mary
- Ussher, Mary to Vache, Rici de la
- Vachell, Alfred Redwood to Valentia, Viscountess of (Sarah)
- Valentine de Harchies, Euphenie Theodore to Vallings, Henry Alan (Lt.-Col.)
- Vallino, Françoise to Van Alen, William L., Jr.
- Van Alstyne, Abraham to Vancourt, unknown
- Vandals, Amalaberga von to Vanderbilt, William Kissam, Jr.
- Vanderburgh, Evelyn to Vane, William, 1st Viscount Vane
- Vane-Fletcher, 1st Baronet, of Hutton in the Forest, co. Cumberland (Lionel Wright) to Vanneck, Maria
- Vanneck, Maria Louisa to Vansittart, Honora Edith
- Vansittart, James Graham to Varney, Owen Buckingham
- Varteig, Inga of to Vaughan, Anne
- Vaughan, Anne to Vaughan, John
- Vaughan, John to Vaughan, Wilmot, 2nd Earl of Lisburne
- Vaughan, Wilmot, 3rd Viscount Lisburne to Vaux, Patrick of Barnbarroch
- Vaux, Peter Douglas Ord to Vavasour, Mary
- Vavasour, Mary to Veghte, Polly
- Veglio di Castelletto d'Uzonne, Gabriella Federica to Venables, Peter Addington
- Venables, Peter John Vernon to Venner, Zenobia Margaret Grenville
- Vennerston, Anna to Verdon, William de
- Verdon-Roe, Alliott to Vere, Margaret de
- Vere, Margaret Elizabeth de to Vereker, John Michael Medlicott
- Vereker, John Paterson to Verity, Ronald Meysey
- Verjee, Baron, of Portobello in the Royal Borough of Kensington and Chelsea (Rumi) to Verner, Willoughby Cole
- Verner-Taylor, Linda Margaret to Verney, Zoë Auriel
- Verney-Cave, Adrian Verney, 6th Lord Braye to Vernon, Greville Rupert Eustace
- Vernon, Guy Alexander Howard to Vernon, Richard de
- Vernon, Richard de to Vernon-Wentworth, Thomas Frederick Charles
- Vernor, Agnes to Vesey, Barbara
- Vesey, Beatrice Charlotte Elizabeth to Vesey, Zara
- Vesey-Fitzgerald, Catherine Geraldine to Veuille, Merelina Isabelle de
- Veulle, Blanche Isabella Pauline de to Vickers, Zilar
- Vickery, Annette Pamela to Vignon, Xavier
- Vignory, Wauthier de to Villebois, William
- Villefranche, Marquis de (Guy) to Villiers, Dorothea Elizabeth de
- Villiers, Dorothy to Villiers, Margaret Anne Theresa
- Villiers, Margaret Evelyn to Villiers-Stuart, Maurice Ambrose
- Villiers-Stuart, Michael Fitzmaurice to Vincent, Jane
- Vincent, Jane to Vines, Thomas Humfrey
- Viney, Amanda Louise to Visconti, Mastino
- Visconti, Matteo 'the Great' to Vivian, Claud Hamilton
- Vivian, Claud Panton to Vlaanderen, unknown daughter de
- Vladimir, Agatha of to Voll, Paul
- Volland, Freda Dorothy to Vosper, Tina
- Voss, Alice to Vyse, William
- Vyvyan Denton, Amanda Elizabeth Ann to Vyvyan, Reginald Frederick
- Vyvyan, Richard to Wach, Siobhán Keelan
- Wachendorff, Franz to Wade, Caroline Sarah
- Wade, Catherine to Wade, unknown
- Wade, unknown to Waggoner, Mary Gertrude
- Waghorn, Dorothy Frances to Wain, Zoë Anne
- Wainewright, Elizabeth to Wake, Charlotte
- Wake, Charlotte to Wake, unknown daughter
- Wake, unknown daughter to Wakefield, Margaret Diana
- Wakefield, Maria to Wakely, William Harold
- Wakelyn, Elizabeth to Waldburg zu Wolfegg und Waldsee, Maximilian IV Fürst von
- Waldburg zu Wolfegg und Waldsee, Monika Maria Anna Antonia Walburga Gräfin von to Waldeck und Pyrmont, Josef Prinz zu
- Waldeck und Pyrmont, Josias Friedrich Wilhelm Prinz zu to Waldegrave, Geoffrey Noel, 12th Earl Waldegrave
- Waldegrave, George to Waldenburg, Viktoria von
- Waldenburg, Wilhelmine von to Waldstein-Wartenberg-Forni, Juliane von
- Waldstein-Wartenburg, Elisabeth to Walford, Hugh Carr
- Walford, Hugh Selwyn to Walker, Anna
- Walker, Anna to Walker, Edith Maude
- Walker, Edith May to Walker, Grace Hampden
- Walker, Grace Hannah to Walker, John Paul Douglas
- Walker, John Percy Ernest to Walker, Nathalie Chatham
- Walker, Nathaniel to Walker, Thomas
- Walker, Thomas to Walker-Smith, Michael Anthony
- Walker-Taylor, Alice Mary to Wall, Yvonne
- Wall-Garland, Christian Frances to Wallace, Ian
- Wallace, Ian Francis of that Ilk to Wallace, Rebecca
- Wallace, Rebecca to Waller, Alice Mary
- Waller, Alice Maude to Waller, George Stanley
- Waller, Georgiana to Waller, Rachel Elizabeth Frances
- Waller, Ralph to Wallingford, Viscountess (Elizabeth)
- Wallington, Arabella to Wallop, Bridget
- Wallop, Bridget to Walmesley, William Gerard
- Walmesley-Cotham, J. H. to Walpole, Margaret
- Walpole, Margaret to Walrond, Mary
- Walrond, Mary to Walsh, John
- Walsh, John to Walsham, Percy Romilly
- Walsham, Richard to Walter, Mary
- Walter, Mary to Walters, Vivien Yzabel Suzanne Nicholson
- Walters, Wendy to Walton-Wilson, Marquerite Laline Lucie
- Walworth, Margaret to Warburton, Barbara
- Warburton, Bartholomew Elliott George to Ward, Alexandra Mary
- Ward, Alexandra Patricia to Ward, Cyril James
- Ward, Cyril Rupert Joseph, 2nd Bt. to Ward, George Louis Steuart
- Ward, George Reginald, 1st and last Viscount Ward of Witley to Ward, Julia
- Ward, Julia to Ward, Pauline Beatrice
- Ward, Pauline Katharine to Ward, Wanda
- Ward, Wayne Maurice to Warde, William
- Warde-Aldam, Adrian William to Wardlaw, Henry of Pitreavie, 18th Bt.
- Wardlaw, Henry of Pitreavie, 19th Bt. to Wardrop-Moore, unknown
- Wardrope, Bruce Hamilton to Warhurst, Tamara Katherine
- Warin, Anthony to Warmald, Shanna Nicole
- Warman, Alister to Warner, Justine Emma (Hon.)
- Warner, Katherine Jocelyn Rose to Warrander, Ruth
- Warre, 1st Baronet, of Hestercombe, Somerset (Francis) to Warren, Carol Grace
- Warren, Caroline to Warren, Harold Galwey
- Warren, Harold Stanley (Captain) to Warren, Nicola Louise
- Warren, Nigel to Warren-Peu, Torika Tahina Darralyn Maimiti
- Warren-Swetenham, Bridget Charlotte Helen to Warter, Vera Estelle
- Warter-Wilson, Edward to Washbourne, William
- Washburn, Dorothy Polk to Wasse, William
- Wasseige, Dominique de to Waterfield, Ronald Derek
- Waterfield, Rosa Helen to Waterlow, Simon Gordon
- Waterlow, Sydney Hedley, 1st Bt. to Wathen, Priscilla Florence
- Wathen, Richard Llewellyn to Watkins, Œnone Mary
- Watkins-Pitchford, Lysbet to Watson, Anne
- Watson, Anne to Watson, Elizabeth
- Watson, Elizabeth to Watson, Iain Thomas
- Watson, Ian to Watson, M.
- Watson, Mabel to Watson, Robin Bertram Stephen
- Watson, Robina Alice to Watson, William J.
- Watson, William James to Watt, John Allingham
- Watt, John Brown to Wattleworth, William
- Watton, Anna Clarke to Watts, Thomas William
- Watts, Tracey Colleen to Wauchope, William of Niddrie, younger
- Waud, Christopher Frederick Croysdale to Way, Emily Frances
- Way, Emily Jane to Wearne, Leslie J.
- Wearre, Marguerite to Weaver, William Ronald Gerrard
- Weavers, Albert George to Webb, Hannah
- Webb, Hannah Maria Theresa to Webb, Thomas, 6th Bt.
- Webb, Timothy James to Webber-Gardiner, Theodore
- Webborn, Alexandra Emily Carolyn to Webster, Margaret
- Webster, Margaret to Wedderburn Ogilvy, Walter Gray
- Wedderburn, 1st Baronet (John) to Wedderburn, William
- Wedderburn, William to Wedgwood, James Cecil
- Wedgwood, James MacKintosh to Weeden, Mary Doreen
- Weedon, Christopher L. P. to Weigall, William Ernest George Archibald
- Weightman, Anne Gabrielle to Weir, John
- Weir, John to Welby, Charles Earle
- Welby, Charles Earle to Welbye, Thomas
- Welch, 1st Baronet, of Chard, co. Somerset (George James Cullum) to Weld, George
- Weld, George Frederick to Weldon, George Francis Daryl
- Weldon, Gertrude Wilmer to Weller, William James
- Weller-Poley, Annabelle Rose to Wellesley, Gwendolyn
- Wellesley, H. to Wellington, Roger
- Wellman, Anne to Wells, John Hayward
- Wells, John Joseph to Wellwood, unknown
- Wellwood-Clarke, Andrew of Comrie Castle to Welsted, John
- Weltden, Hugh to Wemyss, James Henry
- Wemyss, James Michael to Wendt, Thomas Karl Antonius Hubertus Baron von
- Wendy, Margaret to Wentworth, John
- Wentworth, John to Were, Vivian Nicholas Bonville
- Weremeichik, Barbara to Wesley-Smith, Shane
- Wesolowski, Alexander Jozef to West, Dudley Somerset Erskine
- West, Edith to West, John
- West, John to West, unknown daughter
- West, unknown son to Westbrook, Wallace Atkins
- Westbury, 1st Baron, of Westbury, co. Wiltshire (Richard) to Westerholt und Gysenberg, Stephan Graf von und zu
- Westerholt, Agnes van to Westmeath, Countess of (Susanna Margaret)
- Westminster, 1st Duke of (Hugh Lupus) to Weston, Craig
- Weston, Daniel to Westphalen zu Furstenberg, Vera von
- Westphalen zu Fürstenburg, Ferdinand Aloys Graf von to Westropp, Harriet Vereker
- Westropp, Harry to Westropp, unknown child
- Westropp, unknown child to Wetherell, William Edward May
- Wetherhead, Agnes to Weyermann, Stuarta Frances
- Weygand, Armgard to Wharton, Charlotte
- Wharton, Christopher to Whatman, Sarah
- Whatman, Thelma Anne to Wheeler, Elizabeth
- Wheeler, Elizabeth to Wheeler-Bennett, Richard Clement
- Wheeler-Carmichael, Charles Edward to Wheler, Trevor
- Wheler, Trevor to Whinney, Vanessa Albinia Anne Fletcher
- Whipham, T. T. to Whitaker, Marcus
- Whitaker, Margaret to Whitby, William
- Whitby-Simpson, A. to White, Benjamin Newport
- White, Beresford Robert Winder to White, Elizabeth Rennie
- White, Elizabeth Sarah to White, Hugh
- White, Hugh to White, Louisa Floyd
- White, Louisa Maria Julia to White, Pamela Anne
- White, Pamela Desirée to White, Susannah Florence
- White, Swithin to Whitefoord, Isabel Katharine
- Whitefoord, James to Whitehead, Lucia Edith
- Whitehead, Margaret to Whiteley, Winifred Maud
- Whitelock, Agnes to Whitgreave, Thomas
- Whitham, Florence Penelope to Whitmore, David J.
- Whitmore, David John to Whitney, Harry Payne II
- Whitney, Harry Payne III to Whittall, Vivien
- Whittam, John Cuthbert to Whitwell, William
- Whitwick, Catherine to Whydah, unknown
- Whyley, Gregory John Morrah to Wiban-Smith, Major Julian
- Wiber, Charles Henry to Wicks, Vince
- Wicksted, George Edmund to Wied, Wolff-Heinrich Prinz zu
- Wied-Neuwied, 2nd Fürst zu (Friedrich Carl) to Wigan, Emma Charlotte
- Wigan, Ethel Harriet to Wiggin, William Milner
- Wiggington, Henrietta to Wigram, Alice Jane
- Wigram, Alice Jefferson to Wigram, Joan
- Wigram, Joan Norah to Wigram, Zena Patricia Jean
- Wigston, Christian to Wilbraham, William
- Wilbraham-Bootle, Anne Dorothea to Wilde, Frances
- Wilde, Frank to Wiles, Victoria Heather
- Wiley, Andrew Owen to Wilkieson, William
- Wilkin, Carolyn to Wilkinson, Coralie
- Wilkinson, Cuthbert to Wilkinson, Mervyn Desmond
- Wilkinson, Michael to Willans, Winifred K.
- Willard, Belle Wyatt to William, Yvonne Jacoba
- William-Powlett, Ann Patience Wallop to Williams, Anne
- Williams, Anne to Williams, Charlotte
- Williams, Charlotte to Williams, Eliza Vyvyan
- Williams, Elizabeth to Williams, Gavin Dominic
- Williams, Gavin Lloyd to Williams, James Antony
- Williams, James Dennis to Williams, Kate
- Williams, Kate to Williams, Mary Anne
- Williams, Mary Anne to Williams, Philip Penry
- Williams, Philip Penry to Williams, Stanley G.
- Williams, Stanley George to Williams, William Bertram
- Williams, William Besset to Williams-Wynn, Henrietta
- Williams-Wynn, Henrietta to Williamson, Godfrey
- Williamson, Grissell to Williamson, Timothy Jerrard
- Williamson, Tom to Willink, William Williamson
- Willis Fleming, Adam Dashper to Willis, Simon Robert Crum
- Willis, Sophia Catherine to Willoughby, Ann Honoria Mary
- Willoughby, Anna Theodora to Willoughby, Ida Eleonora Constance
- Willoughby, Ida Mary Hazel to Willoughby, William, 6th Baron Willoughby of Parham
- Willoughby-Brown, Breanne to Wills, James
- Wills, James to Willsallen, Nancy Elizabeth
- Willshaw, Derek to Wilmot, Edward
- Wilmot, Edward to Wilmot-Sitwell, Robert
- Wilmot-Sitwell, Robert Bradshaw (Captain) to Wilson, Angelina Rose Geraldine
- Wilson, Angus Robert Gordon to Wilson, Charles William Munro
- Wilson, Charlotte to Wilson, Elizabeth
- Wilson, Elizabeth to Wilson, George Derek
- Wilson, George Douglas to Wilson, James
- Wilson, James to Wilson, Joseph Smyth
- Wilson, Joshua to Wilson, Martha
- Wilson, Martha to Wilson, Patrick Simon
- Wilson, Paul to Wilson, Senhouse
- Wilson, Serena Annabel to Wilson, William Howard
- Wilson, William Ian to Wimble, Nina Marguerite Crawshay
- Wimbledon, 1st Viscount (Edward) to Winczewska, Marianna Jadwiga
- Wind, Abraham de to Windisch-Grätz, Hugo Weriand Antonius Franziskus Thomas Maria
- Windisch-Grätz, Hugo zu to Windsor, Brian de
- Windsor, Bridget to Windsor-Clive, Sidney Guendolen
- Windsor-Clive, Simon Percy to Wingfield, Catherine Anne
- Wingfield, Catherine Elizabeth to Wingfield, Maud
- Wingfield, Maud Isabella to Wingfield-Stratford-Johnstone, Victoria Rose Charlotte
- Wingfield-Stratford-Orr, Ronald Henry Davidson to Winnick, Shirley Ann
- Winnifrith, Alfred John Digby to Winnington-Ingram, Joan
- Winnington-Ingram, Joan to Winston, Sarah
- Winstone, Albinia Frances Hayward to Winterthur, Werner I Graf von
- Winterton of Gort, 1st Baron, co. Galway (Edward Turnour) to Wintour, William
- Wintringham, Clifton to Wise, William John
- Wiseman, 10th Baronet, of Canfield Hall, Essex (William George) to Wisenberg, Marilis
- Wish, Fanny to Witherspoon, Sharon
- Witherston, Anne to Wittelsbach, Wilhelm V
- Wittelsbach-Bayern, Heilika von to Wodehouse, Dominic Charles John
- Wodehouse, Dorothy Eileen to Wodehouse, Sophia
- Wodehouse, Sophia to Wolfe, John Rolleston
- Wolfe, Joseph to Wolff, Vladimir de
- Wolff-Metternich, Clementine Elisabeth Franziska Adelheid Maria Apollonia Gräfin von to Wolley-Dod, Lucy Rosamond
- Wollryche, 2nd Baronet (Francis) to Wolseley, Elizabeth
- Wolseley, Elizabeth to Wolseley, Thomas de
- Wolseley, unknown to Wombwell, Michael
- Wombwell, Michael Henry to Wontner-Smith, Winifred
- Wontner-Smith, Wontner Charles to Wood, Charles Michell Aloysius
- Wood, Charles Page to Wood, Ernest
- Wood, Ernest Cresswell Gaden Western to Wood, Jane
- Wood, Jane to Wood, Marguerite Winifred
- Wood, Maria to Wood, Richard Frederick, Baron Holderness
- Wood, Richard George to Wood, William Robert
- Wood, William Robert Percival to Woodcock, Samuel
- Woodcock, Sara Jane to Woodhouse, Eaton
- Woodhouse, Edith Cape Flora to Woodman, Robert
- Woodman, Sarah to Woods, Joan Bridget Constance
- Woods, Joan Maria to Woodward, Enid Mary
- Woodward, Enid Susan to Woolf, Nicholas David Milman
- Woolf, Patricia Freya to Woolrych, Penelope
- Woolsey, Alice to Worcester, William of
- Wordsworth, Adelaid to Workman, William Orr
- Workman-Macnaghten, Alice Mary to Worsley, Arthur de
- Worsley, Arthur Francis to Worsley, Richard, 1st Bt.
- Worsley, Richard, 7th Bt. to Worthington, Lawrence
- Worthington, Lawrence to Woude, unknown daughter van der
- Woulfe, Bridget to Wray, Jane
- Wray, Jane to Wrenn, Susan Claire
- Wrenshall, Ellen Bray to Wright, Amanda Jane
- Wright, Amelia to Wright, Edmund
- Wright, Edward to Wright, Ichabod
- Wright, Ichabod Charles to Wright, Margaret Stella
- Wright, Margaret Thomson to Wright, Rosemary Joyce
- Wright, Rosemary Louise to Wrightslands, Lord (Lewis)
- Wrightson, 1st Baronet, of Neasham Hall, co. Durham and Eryholme, co. York (Thomas) to Wrixon-Becher, Sheila
- Wrixon-Becher, Susannah Elizabeth to Wrottesley, William de
- Wrought, Henry Albert Matthew to Wuthenau-Hohenthurm, Wilma von
- Wutholen, Alessandra to Wych, Timothy
- Wychan, Paul George David to Wykes-Sneyd, Ralph Stuart
- Wykradt und Isny, Ludovica Johanna Gräfin zu to Wylly, William
- Wylme, Margaret to Wyndham, George Francis, 4th Earl of Egremont
- Wyndham, George Heremon to Wyndham-Baker, Toby Tarn
- Wyndham-O'Brien, Percy to Wynn, Sheila Christine
- Wynn, Shelagh Jean Macsorley to Wynne, Thomas Edward
- Wynne, unknown to Wyvill, Marmaduke D'Arcy
- Wyvill, Marmaduke D'Arcy William to Württemberg, Maria Theresia Nadejda Albertine Rose Philippine Marguerite Christine Helene Josephine Martine
- Württemberg, Marie Christine von to Yakimets, Walter William
- Yakimovich, George to Yarde-Buller, Norberto Luis
- Yarde-Buller, Olegaria Venancia to Yates, Kate Harriet
- Yates, Kate Hazeltine to Yeats-Brown, Timothy
- Yeaveley, William de to Yelverton, Zoe May
- Yeman, Janet to Yerburgh, Winifred Prudence Mary
- Yerbury, Eliza to York, Edward Christopher
- York, Edward Christopher to Yorke, John Reginald
- Yorke, John Sarne to Young of Dartington, Baroness (Sasha)
- Young of Graffham, Baron, of Graffham in the County of West Sussex (David Ivor) to Young, Campbell Neil
- Young, Candis to Young, Eileen Marjory McCombie
- Young, Elaine Ada to Young, Gregory
- Young, Gregory Mark to Young, John
- Young, John to Young, Mark
- Young, Mark Aitchison to Young, Robert Andrew
- Young, Robert Arthur Moncreiff to Young, William
- Young, William to Younger, Jennifer Ann
- Younger, Joan Gwendoline to Yourievskya, Olga Aleksandrovna
- Yousoupov, Felix to Yule, William
- Yull, Belinda to Zamoyski, Zygmunt Ignacy Stukeley
- Zamperelli, Tija to Zeederbert, Lennox James
- Zeeland, Graaf van (Floris IV) to Zichy-Ferraris de Zich et Vásonykeö, Viktor Graf von
- Zichy-Ferraris, Emilie von to Zinovieff, Victoria Gala
- Zinsmeister, Althea Wardwell to Zouche, Edward
- Zouche, Edward to Zuylen van Nijevelt, Philip Hugo Baron van
- Zuylen van Nijevelt, Philip Jules Graaf van to Álvarez de Toledo y Marone-Cinzano, Vittoria Eugenia 7° Marquesa de Casa Loring
- Álvarez de Toledo y Mencós, José Ignacio, 7° Conde de Villapaterna to Österreich, Erzherzog von (Karl II)
- Österreich, Erzherzog von (Karl Ludwig Joseph Maria) to Österreich, Erzherzogin von (Priscilla Marie Zita Sybille)
- Österreich, Erzherzogin von (Renata Maria) to Österreich, Leopold Ludwig Maria Franz Julius Eustorgius Gerhard
- Österreich, Leopold Maria Alphons Erzherzog von to Österreich, Rudolph Johann Joseph Rainier Erzherzog von
- Österreich, Rudolph Syringus Peter Karl Franz Joseph Robert Otto Antonius Maria Pius Benedikt Ignatius Laurentius Justiniani Marcus d'Aviano to Üxküll-Gyllenband, Caroline Gräfin von
A genealogical survey of the peerage of Britain as well as the royal families of Europe
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