Samuel Blackburn to Harriet Blagden - 1881 Census household returns
- Samuel Blackburn to Surtis Blackburn
- Susan Blackburn to Thomas Blackburn
- Thomas Blackburn to Thomas Blackburn
- Thomas Blackburn to William Blackburn
- William Blackburn to William Blackburn
- William Blackburn to William Blackburn
- William Blackburn to William W Blackburn
- Wilson Blackburn to James Blackeledge
- Arthur Blackeley to George Blacker
- George W Blacker to Obed Blacker
- Oliver Blacker to Alexander Blackett
- Alfred Blackett to James A Blackett
- Jane Blackett to Robert Blackett
- Robert Blackett to Alexander Blackford
- Alexander J Blackford to Isaac Blackford
- Isaac Blackford to Sarah Blackford
- Sarah Blackford to George L Blackhall
- Helen Blackhall to Benjamin Blackham
- Benjamin L Blackham to Richard Blackham
- Richard Blackham to George Blackhurst
- George Blackhurst to Agnes Blackie
- Agnes Blackie to James Blackie
- James Blackie to Richard Blackie
- Richard Blackie to James Blackill
- Henry Blackiman to George Blackle
- Alice Blackledge to John Blackledge
- John Blackledge to Edward Blackler
- Edward Blackler to Thomas Blackler
- Thomas Blackler to James Blackley
- James Blackley to William Blackley
- William Blackley to George Blacklock
- George Blacklock to John Geo Blacklock
- John J Blacklock to William Blacklock
- William Blacklock to Ann F Blackman
- Arnold Blackman to Edward Blackman
- Edward Blackman to George Blackman
- George Blackman to J R Blackman
- J W Blackman to John Blackman
- John Blackman to Mary Blackman
- Mary Blackman to Thomas Blackman
- Thomas Blackman to William Blackman
- William Blackman to John Blackmoor
- John Blackmoor to Charles Blackmore
- Charles Blackmore to Frank Blackmore
- Frederick Blackmore to Henry Blackmore
- Henry Blackmore to James Blackmore
- James Blackmore to John Blackmore
- John Blackmore to John H Blackmore
- John Henry Blackmore to Reuben Blackmore
- Richard Blackmore to Sarah Blackmore
- Sarah Blackmore to William Blackmore
- William Blackmore to William Blackmore
- William Blackmore to Samuel Blacknew
- Caleb Blackney to Charles Blackshaw
- Charles Blackshaw to John Blackshaw
- John Blackshaw to Robert Blackshaw
- Robert Blackshaw to William Blackshaw
- William Blackshaw to Jane Blackstock
- John Blackstock to Richard Blackstone
- Richard Blackstone to Albert Blackwell
- Albert Blackwell to Charles Blackwell
- Charles Blackwell to Eliza Blackwell
- Eliza Blackwell to George Blackwell
- George Blackwell to Henry Blackwell
- Henry Blackwell to James Blackwell
- James Blackwell to John Blackwell
- John Blackwell to John Blackwell
- John Blackwell to Martha Blackwell
- Mary Blackwell to Richard M Blackwell
- Richard P Blackwell to Sidney Blackwell
- Simeon Blackwell to Thomas F Blackwell
- Thomas H Blackwell to William Blackwell
- William Blackwell to Abraham Blackwood
- Adam Blackwood to Frank Blackwood
- Gavin Blackwood to Janet Blackwood
- Janet Blackwood to Peter Blackwood
- Peter Blackwood to William Blackwood
- William Blackwood to John R Blade
- Mard Ann Blade to William Bladen
- William Bladen to Frederick Blades
- Frederick G Blades to John Blades
- John Blades to Richard Blades
- Richard Blades to William Blades
- William Blades to John Bladon
- John Bladon to Jane Blaeney
- Emilie Blaeser to Harriet Blagden