| Last Name | O'Brien |
| First Name | James |
| Dates | b. 1837 |
| Nativity | Canada |
| Business | Farmer |
| Year Settled | 1850 |
| Post Office | Markdale |
| Township | Artemesia |
| County | Grey |
| Atlas Date | 1880 |
| Concession and Lot | Lot size |
| II E, 121 | 200 |
| II E, 121: |
| Copyright © McGill University, 2001 | |||