William Isherwood to Israel Israel - 1911 Census household returns
- William Isherwood to William Isherwood
- William Isherwood to William Henry Isherwood
- William Henry Isherwood to David Ishmael
- David Ishmael to Chao Isitt
- Charles Isitt to Samuel Holmes Isitt
- Sarah Isitt to Thomas Iskerwood
- Thomas Iskerwood to Henry Isle
- James Isle to Albert Isles
- Albert John Isles to Emma Isles
- Enoch Bartle Isles to Henry James Isles
- Herbert Isles to Joseph Isles
- Joseph Isles to Thomas Isles
- Thomas Isles to George A Isley
- Harry George Isley to Clara Islip
- Cuthbert Islip to John Islip
- John Joseph Islip to Yudel Ismach
- John Ismael to J Florence Ismay
- James Ismay to Mary Hannah Ismay
- Mary Jane Ismay to Paul Isnard
- William Isnell to Frederick George Isom
- George Isom to William Isom
- William Isom to Arthur Ison
- Arthur Ison to Charles Edward Ison
- Charles Ernest Ison to Edward Charles Ison
- Edward James Ison to Frederick John Ison
- Frederick William Ison to Harry Hastings Ison
- Harry J Ison to Jane Ison
- John Ison to Lewis Ison
- Lewis Ison to Sarah Ison
- Selina Ison to William Ison
- William Ison to Peter Isotta
- George William Isow to David Israel
- David Israel to Israel Israel