Percy Illingworth to Alfred Imes - 1911 Census household returns
- Percy Illingworth to Robert Illingworth
- Robert Illingworth to Sam Illingworth
- Sam Illingworth to Sarah Ann Illingworth
- Sarah Annie Illingworth to Selina Illingworth
- Tetley Illingworth to Thomas Illingworth
- Thomas Illingworth to Walter Illingworth
- Walter Illingworth to William Illingworth
- William Illingworth to William Illingworth
- William Illingworth to William Henry Illingworth
- William Henry Illingworth to Ann Illman
- Benjamin Illman to John Thomas Illman
- Leonard Percival Illman to Harry Edward Illoston
- Cyril Herbert Thomas Illott to Charles W D Illsley
- Charles Wragg Illsley to George William Illsley
- George William Illsley to James Illsley
- James Illsley to Oliver Arthur Illsley
- Paul Illsley to William Illsley
- William Illsley to Alf B Illston
- Alfred Illston to John Illstone
- Joseph Illstone to Ernest Ilott
- Ernest A Ilott to Isaac Ilott
- James Ilott to Richard Ilott
- Sarah Jane Ilott to Alfred Ilsley
- Anierian Ilsley to Edward Ilsley
- Edward Ilsley to Henry Alfred Ilsley
- Henry Ormsby Ilsley to Louis George Ilsley
- Louisa Ilsley to William Ilsley
- William Ilsley to Thomas Ilson
- William Ilson to Sarah Image
- Selwyn Image to Francis Imber
- Frank Imber to Lucy Emma Imber
- Mary Ann Imber to Leo Joseph Imbery
- Mary Imbery to Alfred Imes