| Last Name | Williamson |
| First Name | John |
| Nativity | Ireland |
| Business | Farmer; Former merchant; Former Township Treasurer |
| Year Settled | 1833 |
| Post Office | Watford |
| Township | Warwick |
| County | Lambton |
| Source Date | b. 1810 |
| Atlas Date | 1880 |
| Concession and Lot | Lot size |
| IV-SER, 22 | 200 |
| V-SER, 21 | 100 |
| IV-SER, 22: | |
| V-SER, 21: |
| Copyright © McGill University, 2001 | |||