Residents of St. Mary's — Sub-district R, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
|---|
| 13 | ogrady | john | M | 14 | Free Baptist | Irish | New Brunswick | No Occupation Listed | 64 |
| 12 | ogrady | william | M | 19 | Free Baptist | Irish | New Brunswick | river drivers | 64 |
| 18 | oleary | william | M | 18 | Roman Catholic | Irish | New Brunswick | Servants nfs | 296 |
| 19 | oneal | arther | M | 43 | Presbyterian | Irish | New Brunswick | Farmers, general and nfs | 98 |
| 2 | oneal | emily | F | 7 | Presbyterian | Irish | New Brunswick | No Occupation Listed | 98 |
| 1 | oneal | jane | F | 9 | Presbyterian | Irish | New Brunswick | No Occupation Listed | 98 |
| 24 | oneal | john | M | 10 | Presbyterian | Irish | New Brunswick | No Occupation Listed | 98 |
| 4 | oneal | margaret | F | 77 | Presbyterian | Irish | Ireland | No Occupation Listed | 99 |
| 20 | oneal | mary | F | 43 | Methodist | Irish | New Brunswick | No Occupation Listed | 98 |
| 23 | oneal | mary | F | 12 | Presbyterian | Irish | New Brunswick | No Occupation Listed | 98 |
| 21 | oneal | rose | F | 67 | Anglican | Irish | New Brunswick | No Occupation Listed | 446 |
| 21 | oneal | sarah | F | 15 | Presbyterian | Irish | New Brunswick | No Occupation Listed | 98 |
| 22 | oneal | william | M | 14 | Presbyterian | Irish | New Brunswick | No Occupation Listed | 98 |
| 3 | oneal | william | M | 75 | Presbyterian | Irish | Ireland | Farmers, general and nfs | 99 |
| 5 | oree | hanett | F | 17 | Baptist | African Origins | Maine | Servants nfs | 159 |