Residents of Clarence — Sub-district A, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 18 | obrian | clementine | F | 16 | Presbyterian | English | Ontario | No Occupation Listed | 213 |
| 19 | obrian | ellen | F | 12 | Presbyterian | English | Ontario | No Occupation Listed | 213 |
| 21 | obrian | florence | F | 0 | Presbyterian | Irish | Ontario | No Occupation Listed | 213 |
| 17 | obrian | mary | F | 38 | Presbyterian | English | United States | No Occupation Listed | 213 |
| 16 | obrian | william | M | 43 | Presbyterian | Irish | Ontario | Farmers, general and nfs | 213 |
| 20 | obrian | wm | M | 3 | Presbyterian | English | Ontario | No Occupation Listed | 213 |
| 9 | obrien | ann | F | 60 | Roman Catholic | Irish | Ireland | No Occupation Listed | 150 |
| 10 | obrien | e | F | 2 | Roman Catholic | Irish | Ontario | No Occupation Listed | 150 |
| 7 | obrien | john | M | 34 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 150 |
| 8 | obrien | mareret | F | 27 | Roman Catholic | Irish | Ontario | No Occupation Listed | 150 |
| 25 | obyrnes | daniel | M | 34 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 380 |
| 2 | obyrnes | john | M | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 380 |
| 3 | obyrnes | m | F | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 380 |
| 1 | obyrnes | rose | F | 21 | Roman Catholic | Irish | Quebec | No Occupation Listed | 380 |
| 6 | ordridge | arthur | M | 7 | Baptist | English | Ontario | No Occupation Listed | 439 |
| 8 | ordridge | charlotte | F | 3 | Baptist | English | Ontario | No Occupation Listed | 439 |
| 10 | ordridge | edwin | M | 2 | Baptist | English | Ontario | No Occupation Listed | 439 |
| 7 | ordridge | herbert | M | 5 | Baptist | English | Ontario | No Occupation Listed | 439 |
| 4 | ordridge | isaac | M | 31 | Baptist | English | England | Farmers, general and nfs | 439 |
| 5 | ordridge | margeret | F | 31 | Baptist | French | Quebec | No Occupation Listed | 439 |
| 9 | ordridge | margeret | F | 3 | Baptist | English | Ontario | No Occupation Listed | 439 |
| 22 | ouellette | alexandre | M | 2 | Roman Catholic | French | Ontario | No Occupation Listed | 188 |
| 18 | ouellette | armidas | M | 11 | Roman Catholic | French | Quebec | No Occupation Listed | 188 |
| 17 | ouellette | azildat | M | 11 | Roman Catholic | French | Quebec | No Occupation Listed | 188 |
| 15 | ouellette | delima | F | 17 | Roman Catholic | French | Quebec | No Occupation Listed | 188 |
| 21 | ouellette | emelie | F | 5 | Roman Catholic | French | Ontario | No Occupation Listed | 188 |
| 11 | ouellette | henriette | F | 43 | Roman Catholic | French | Quebec | No Occupation Listed | 188 |
| 13 | ouellette | honore | M | 20 | Roman Catholic | French | Quebec | Labourers nfs | 188 |
| 20 | ouellette | joseph | M | 7 | Roman Catholic | French | Ontario | No Occupation Listed | 188 |
| 14 | ouellette | leon | M | 18 | Roman Catholic | French | Quebec | Labourers nfs | 188 |
| 10 | ouellette | michel | M | 53 | Roman Catholic | French | Quebec | Labourers nfs | 188 |
| 12 | ouellette | michel | M | 22 | Roman Catholic | French | Quebec | Labourers nfs | 188 |
| 16 | ouellette | philias | M | 15 | Roman Catholic | French | Quebec | Labourers nfs | 188 |
| 19 | ouellette | theodule | M | 9 | Roman Catholic | French | Quebec | No Occupation Listed | 188 |
| 17 | ouilette | james | M | 0 | Roman Catholic | French | Ontario | No Occupation Listed | 276 |
| 16 | ouilette | mary | F | 18 | Roman Catholic | French | Quebec | No Occupation Listed | 276 |
| 15 | ouilette | thomas | M | 23 | Roman Catholic | French | Quebec | Labourers nfs | 276 |