John Francis Willis Irwin to John William Irwin - 1911 Census household returns
- John Francis Willis Irwin
- John Frederick Irwin
- John George Irwin
- John George Irwin
- John Henry Irwin
- John Henry Irwin
- John Henry Irwin
- John Henry Irwin
- John Henry Irwin
- John Henry Graham Irwin
- John James Irwin
- John James Irwin
- John James Irwin
- John James Irwin
- John Jones Irwin
- John Joseph Irwin
- John P Irwin
- John Pitfield Irwin
- John Robert Irwin
- John Robt Irwin
- John Smith Irwin
- John Stanley Irwin
- John Thomas Irwin
- John Thomas Irwin
- John Thomas Irwin
- John Thomas Irwin
- John Velentine Irwin
- John Wallis Irwin
- John Wesley Irwin
- John Whelfield Irwin
- John William Irwin
- John William Irwin
- John William Irwin