Full record for O'Callahan, ?
| Last Name | O'Callahan |
| Township | Peel |
| County | Wellington |
| Atlas Date | 1877 |
| Concession and Lot | Lot size |
| B, 1 | 200 |
| B, 1: |
|
| Copyright © McGill University, 2001 | |||
| Last Name | O'Callahan |
| Township | Peel |
| County | Wellington |
| Atlas Date | 1877 |
| Concession and Lot | Lot size |
| B, 1 | 200 |
| B, 1: |
|
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| Copyright © McGill University, 2001 | |||