| Last Name | McLachlan |
| First Name | John Sr. |
| Nativity | Scotland |
| Business | Farmer; Blacksmith |
| Year Settled | 1854 |
| Post Office | Walnut |
| Township | Brooke |
| County | Lambton |
| Atlas Date | 1880 |
| Concession and Lot | Lot size |
| VIII, 15 | 50 |
| VIII, 15: |
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