Residents of Rochester — Sub-district O, surnames A (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 8 | aleklie | andrew | M | 12 | Wesleyan Methodist | Scottish | Ontario | No Occupation Listed | 87 |
| 11 | aleklie | effie | F | 1 | Wesleyan Methodist | Scottish | Ontario | No Occupation Listed | 87 |
| 9 | aleklie | jane | F | 8 | Wesleyan Methodist | Scottish | Ontario | No Occupation Listed | 87 |
| 6 | aleklie | jinnet | F | 40 | Wesleyan Methodist | Scottish | Ontario | No Occupation Listed | 87 |
| 7 | aleklie | margaret | F | 16 | Wesleyan Methodist | Scottish | Ontario | No Occupation Listed | 87 |
| 5 | aleklie | samuel | M | 50 | Wesleyan Methodist | Scottish | United States | Farmers, general and nfs | 87 |
| 10 | aleklie | samuel | M | 4 | Wesleyan Methodist | Scottish | Ontario | No Occupation Listed | 87 |
| 19 | allord | delea | F | 19 | Roman Catholic | French | Quebec | No Occupation Listed | 219 |
| 17 | allord | emellie | F | 40 | Roman Catholic | French | Quebec | No Occupation Listed | 219 |
| 23 | allord | jeramiah | M | 12 | Roman Catholic | French | Quebec | No Occupation Listed | 219 |
| 22 | allord | joseph | M | 14 | Roman Catholic | French | Quebec | No Occupation Listed | 219 |
| 1 | allord | louise | F | 6 | Roman Catholic | French | Ontario | No Occupation Listed | 219 |
| 25 | allord | mary | F | 8 | Roman Catholic | French | Ontario | No Occupation Listed | 219 |
| 18 | allord | noah | M | 22 | Roman Catholic | French | Quebec | Labourers nfs | 219 |
| 16 | allord | prosper | M | 52 | Roman Catholic | French | Quebec | Farmers, general and nfs | 219 |
| 24 | allord | tanise | M | 10 | Roman Catholic | French | Quebec | No Occupation Listed | 219 |
| 21 | allord | vergine | F | 16 | Roman Catholic | French | Quebec | No Occupation Listed | 219 |
| 20 | allord | viteline | F | 17 | Roman Catholic | French | Quebec | No Occupation Listed | 219 |
| 3 | alore | francois | M | 81 | Roman Catholic | French | Quebec | Teachers (unspecified) | 119 |
| 9 | ammon | julie | F | 37 | Roman Catholic | French | Quebec | No Occupation Listed | 85 |
| 8 | ammon | magloire | M | 44 | Roman Catholic | French | Quebec | Farmers, general and nfs | 85 |
| 1 | andrew | jane | F | 29 | Roman Catholic | Irish | Ontario | No Occupation Listed | 41 |
| 3 | andrew | maggie | F | 4 | Roman Catholic | French | Ontario | No Occupation Listed | 41 |
| 2 | andrew | martin | M | 9 | Roman Catholic | French | Ontario | No Occupation Listed | 41 |
| 25 | andrew | moses | M | 32 | Roman Catholic | French | Quebec | Labourers nfs | 41 |
| 19 | anthony | marsh | M | 40 | Roman Catholic | French | Ontario | river drivers | 104 |
| 1 | archibold | ellen | F | 64 | Roman Catholic | Irish | Ireland | No Occupation Listed | 59 |
| 25 | archibold | henry | M | 31 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 59 |
| 1 | armstrong | anne | F | 21 | Methodist | Irish | Ireland | No Occupation Listed | 206 |