Full record for O'Callahan, Thomas
| Last Name | O'Callahan |
| First Name | Thomas |
| Township | Mountain |
| County | Dundas |
| Atlas Date | 1879 |
| Concession and Lot | Lot size |
| XI, 1 | 200 |
| XI, 1: |
|
| Copyright © McGill University, 2001 | |||
| Last Name | O'Callahan |
| First Name | Thomas |
| Township | Mountain |
| County | Dundas |
| Atlas Date | 1879 |
| Concession and Lot | Lot size |
| XI, 1 | 200 |
| XI, 1: |
|
|
| Copyright © McGill University, 2001 | |||