| 1. | Thomas Irwin was born in 1818 in England. Family/Spouse: Living. [Group Sheet] [Family Chart]
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| 2. | Living Family/Spouse: Unknown. [Group Sheet] [Family Chart]
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| 3. | Mary Irwin |
| 4. | James Irwin Family/Spouse: Catharine (Kate) Davis. Catharine (daughter of William H. Davis) was born in 1854 in Paterson, Passaic County, New Jersey. [Group Sheet] [Family Chart] |
| 5. | Thomas Irwin |
| 6. | Thomas Irwin |
| 7. | Mary Irwin |
| 8. | Irene Irwin |