James Iliffe to William Illingworth - 1881 Census household returns
- James Iliffe to John W Iliffe
- Joseph Iliffe to Sarah Iliffe
- Simeon Iliffe to William Iliffe
- William Barsby Iliffe to Hamlet E Illenden
- Joseph Illenden to Edward Illidge
- Edward Illidge to Thomas Illidge
- Thomas Illidge to Thomas Illing
- Thomas Illing to Marie Illington
- Francis Illingwath to Alice Illingworth
- Amelia Illingworth to Benjamin Illingworth
- Benjamin Illingworth to Charles Illingworth
- Charles Illingworth to Edmund Illingworth
- Edward Illingworth to Elizabeth Illingworth
- Elizabeth Illingworth to George Illingworth
- George Illingworth to Hannah Illingworth
- Hannah Illingworth to Henry Illingworth
- Henry G Illingworth to James Illingworth
- James Illingworth to Jane Illingworth
- Jane Illingworth to John Illingworth
- John Illingworth to John Illingworth
- John Illingworth to Jonas Illingworth
- Jonathan Illingworth to Joseph Illingworth
- Joseph Illingworth to Margaret Illingworth
- Margaret Illingworth to Mary Illingworth
- Mary Illingworth to Rebecca Illingworth
- Richard Illingworth to Sam Illingworth
- Samson Illingworth to Sarah Illingworth
- Sarah Illingworth to Thomas Illingworth
- Thomas Illingworth to Thomas Illingworth
- Thomas B Illingworth to William Illingworth
- William Illingworth to William Illingworth