William Atter to William B Augus - 1881 Census household returns
- William Atter to Sarah Atterbury
- Sarah A Atterbury to John Attersoll
- Samuel Attersoll to Edwin Jas Attessley
- Alfred Attew to John Attewell
- John Attewell to Ann Attey
- Edward Attey to James Attfield
- James Attfield to Samuel Attherton
- Sarah Ann Attherton to Charles Attkins
- Elizabeth Attkins to John Attlee
- Sarah Attlee to Alfred Atton
- Ann Atton to George Attree
- George Attree to Francis Attrell
- Frank Attrell to James Attridge
- James Attridge to Charles G Attrill
- Charles T Attrill to John Attrill
- Joshua Attrill to Arthur William Attwater
- Charles Attwater to Alfred Attwell
- Ann Attwell to John Attwell
- John Attwell to William Attwell
- William Attwell to Ann Attwood
- Ann Attwood to Daniel Attwood
- Daniel Attwood to Francis W Attwood
- Frank Attwood to Helen Attwood
- Henry Attwood to James Attwood
- James Attwood to John Attwood
- John Attwood to Louisa Attwood
- Louisa Attwood to Richard C Attwood
- Robert Attwood to Thomas Attwood
- Thomas Attwood to William Attwood
- William Attwood to George Attwool
- Henry Attwool to Harrietta Atty
- John Atty to George Atwell
- George Atwell to Mary A Atwell
- Mary A Atwell to Mark Atwill
- Richard Atwill to George H Atwood
- George H Atwood to William Atwood
- William Atwood to Augustus Aubert
- Baptiste Aubert to Charles Aubin
- Charles Aubin to Samuel Aubory
- Joseph Aubray to George Aubrey
- George Aubrey to Morgan Aubrey
- Morgan Aubrey to William D Aubrey
- William H Aubrey to Margaret G Auchenvole
- James Auchie to William Auchterlome
- Alex Auchterlonie to Caroline Auckland
- Charles Auckland to Mary Auckland
- Mary Auckland to Emily Aucott
- Fredrick Aucott to Rippon Audas
- Samuel Audas to Mary Audis
- Mary J Audis to William Audley
- William Audley to George Audsley
- George Audsley to James Audus
- James Audus to Thomas Augell
- George Augener to John Auger
- John Auger to William Auger
- William Auger to Thomas Aughton
- Thomas Aughton to William B Augus