| Last Name | Armstrong |
| First Name | David |
| Nativity | Ireland |
| Business | Farmer |
| Year Settled | 1845 |
| Post Office | Millbrook |
| Township | Cavan |
| County | Durham |
| Atlas Date | 1878 |
| Concession and Lot | Lot size |
| II, 8 | 50 |
| II, 9 | 100 |
| VII, 16 | 200 |
| II, 8: | |
| II, 9: | |
| VII, 16: |
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