Abraham Blackford to John Blair - 1911 Census household returns
- Abraham Blackford to Ellen Blackford
- Ellen Alice Blackford to Isaac Blackford
- Isaac Blackford to Spencer Godfrey Blackford
- Susanna Blackford to George Blackhall
- George Blackhall to Frederick Blackham
- Frederick Blackham to Maude Blackham
- Mortimer Blackham to Alfred Blackhurst
- Alfred Blackhurst to Joseph Blackhurst
- Joseph Peter Blackhurst to Emily Blackie
- Emma Blackie to Hampton Blackiston
- Hampton Ernest Blackiston to Henry Blackledge
- Henry Blackledge to Nathan Blackledge
- Percival Blackledge to Charles Blackler
- Charles Blackler to Mary E Blackler
- Mary Jane Blackler to John Joseph Blackley
- John William Blackley to Agnes A Blacklock
- Albert Blacklock to James Rimernian Blacklock
- James William Blacklock to Robert Blacklock
- Robert Blacklock to Albert Blackman
- Albert Blackman to Arthur Thomas Blackman
- Arthur Walter Blackman to Edward Blackman
- Edward Blackman to Fanjie Blackman
- Florence Blackman to George Blackman
- George Blackman to Henry Blackman
- Henry Blackman to James Foster Blackman
- James Frederick Blackman to Joseph Blackman
- Joseph Blackman to Percy O Blackman
- Percy Silas Blackman to Thomas Blackman
- Thomas Blackman to William Blackman
- William Blackman to Wright Blackman
- James Barry Blackman Junr to Albert William Blackmore
- Alexendar Blackmore to Arthur Henry Blackmore
- Arthur John Blackmore to Danny Blackmore
- Dorette Blackmore to Emily Blackmore
- Emily Honen Blackmore to Frederick Blackmore
- Frederick Blackmore to George Henry Blackmore
- George Henry Blackmore to Henry William Blackmore
- Herbert Blackmore to James Hillman Blackmore
- James Percey Blackmore to John Blackmore
- John Blackmore to Kitty Blackmore
- Lewis Blackmore to Philip Blackmore
- Philip William Blackmore to Sarah Blackmore
- Sarah Blackmore to Tom Blackmore
- Tom Blackmore to William Blackmore
- William Blackmore to William Henry Blackmore
- William Henry Blackmore to Edward Blacknell
- Edwin Blacknell to James Francis Blacksell
- John Blacksell to Ernest Blackshaw
- Ernest Blackshaw to James Blackshaw
- James Collintin Blackshaw to Mary Blackshaw
- Mary Blackshaw to William Blackshaw
- William Blackshaw to Amelia Blackstock
- Amy Elizabeth Blackstock to Joseph Blackstone
- Joseph Blackstone to Joseph Blackwall
- Joseph John Blackwall to Amos Blackwell
- Amy Blackwell to Catherine Blackwell
- Catherine Blackwell to Daniel Blackwell
- Daniel Blackwell to Elizabeth Blackwell
- Elizabeth Blackwell to Francis Henry William Blackwell
- Francis Samuel Blackwell to George Blackwell
- George Blackwell to George John Blackwell
- George Leonard Blackwell to Henry Blackwell
- Henry Blackwell to James Blackwell
- James Blackwell to John Blackwell
- John Blackwell to John Ernest Blackwell
- John F Blackwell to Josiah Blackwell
- Josiah Blackwell to Maude Blackwell
- May Blackwell to Samuel Blackwell
- Samuel Blackwell to Thomas Blackwell
- Thomas Blackwell to Walter Blackwell
- Walter Blackwell to William Blackwell
- William Blackwell to William T Blackwell
- William Thomas Blackwell to John Blackwood
- John Blackwood to John Blacow
- John Blacow to Stephen Blade
- Walter Ernest Blade to Sarah Bladen
- Sarah Bladen to Bruce Wallace Blades
- Catherine Blades to George Blades
- George Blades to Jefferson Blades
- Jeffrey Blades to Mary E Blades
- Mary Fox Blades to Thomas William Blades
- Thomas Willis Blades to Ann Louisa Bladon
- Anne Bladon to Mary Bladon
- Mary Bladon to Walter Blagbro
- Albert Wade Blagbrough to Arthur Blagden
- Arthur Blagden to Dorothy Blagdon
- Eduard Biggs Blagdon to Fred Blagg
- Frederick Robert Blagg to W Blagg
- Walter Campin Blagg to William Blaike
- Arthur Babengton Blaikie to Elizabeth Blain
- Elizabeth Blain to Mary Huntington Blain
- Mary L Blain to Jane Sarah Blainey
- John Blainey to Charles Blair
- Charles Blair to Frank Blair
- Frank Blair to Hugh Blair
- Hugh Allan Blair to John Blair