Full record for O'Brien, R. W.
| Last Name | O'Brien |
| First Name | R. W. |
| Dates | b. 1849 |
| Nativity | Barrie, Ontario |
| Business | General dealer in groceries and provisions |
| Post Office | Collingwood |
| Town | Collingwood |
| Township | Nottawasaga |
| County | Simcoe |
| Atlas Date | 1881 |
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