John Duffy to Joseph Duffy - 1911 Census household returns
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Duffy
- John Arthur Duffy
- John E Duffy
- John Ed Duffy
- John Edward Duffy
- John Edward Duffy
- John Edward Duffy
- John George Duffy
- John Henry Duffy
- John Henry Duffy
- John Henry Duffy
- John James Duffy
- John James Duffy
- John Joseph Duffy
- John Lee Duffy
- John M Duffy
- John Marcus Duffy
- John Menzies Duffy
- John Patrick Duffy
- John Robert Duffy
- John Stanislas Duffy
- John Stephen Duffy
- John T Duffy
- John Thomas Duffy
- John Thomas Duffy
- John Thomas Duffy
- John Thomas Duffy
- John Thomas Duffy
- John Vincent Duffy
- John William Duffy
- John William Duffy
- John William Duffy
- John William Duffy
- John William Duffy
- John William Duffy
- Joseph Duffy
- Joseph Duffy
- Joseph Duffy
- Joseph Duffy
- Joseph Duffy
- Joseph Duffy
- Joseph Duffy
- Joseph Duffy
- Joseph Duffy
- Joseph Duffy