| Last Name | Ward |
| First Name | John O'Brien |
| Nativity | Kingston, Ontario, Canada |
| Business | Farmer; Lumberman |
| Year Settled | 1864 |
| Post Office | Shetland |
| Township | Euphemia |
| County | Lambton |
| Source Date | b. 1823 |
| Atlas Date | 1880 |
| Concession and Lot | Lot size |
| I, 31 | 103 |
| I, 31: |
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