Residents of Leeds, Front — Sub-district C, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 17 | obrine | elener | F | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 150 |
| 10 | obrine | francis | M | 49 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 150 |
| 14 | obrine | john | M | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 150 |
| 11 | obrine | margret | F | 39 | Roman Catholic | Irish | Ontario | No Occupation Listed | 150 |
| 18 | obrine | margret | F | 1 | Roman Catholic | Irish | Ontario | No Occupation Listed | 150 |
| 12 | obrine | mary | F | 19 | Roman Catholic | Irish | Ontario | No Occupation Listed | 150 |
| 15 | obrine | mary | F | 76 | Roman Catholic | Irish | Ireland | No Occupation Listed | 219 |
| 15 | obrine | michal | M | 12 | Roman Catholic | Irish | Ontario | No Occupation Listed | 150 |
| 16 | obrine | philimena | F | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 150 |
| 13 | obrine | terance | M | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 150 |
| 14 | obrine | terance | M | 81 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 219 |
| 6 | ohearan | ann | F | 12 | Roman Catholic | Irish | Ontario | No Occupation Listed | 178 |
| 4 | ohearan | john | M | 47 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 178 |
| 3 | ohearan | margret | F | 65 | Roman Catholic | Irish | Ireland | No Occupation Listed | 177 |
| 8 | ohearan | margret | F | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 178 |
| 5 | ohearan | mary | F | 40 | Roman Catholic | Irish | Ontario | No Occupation Listed | 178 |
| 2 | ohearan | william | M | 30 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 177 |
| 9 | ohearn | alice | F | 1 | Roman Catholic | Irish | Ontario | No Occupation Listed | 178 |
| 7 | ohearn | mary | F | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 178 |
| 3 | oheren | briget | F | 1 | Roman Catholic | Irish | Ontario | No Occupation Listed | 44 |
| 2 | oheren | mary | F | 21 | Roman Catholic | Irish | Ontario | No Occupation Listed | 44 |
| 1 | oheren | michal | M | 26 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 44 |
| 9 | oliver | margret | F | 34 | Wesleyan Methodist | Irish | Ontario | Teachers (unspecified) | 93 |
| 16 | oneil | bridget | F | 50 | Roman Catholic | Irish | Ireland | No Occupation Listed | 206 |
| 18 | oneil | james | M | 20 | Roman Catholic | Irish | Ontario | No Occupation Listed | 206 |
| 21 | oneil | john | M | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 206 |
| 19 | oneil | margret | F | 17 | Roman Catholic | Irish | Ontario | No Occupation Listed | 206 |
| 20 | oneil | michal | M | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 206 |
| 15 | oneil | patrick | M | 55 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 206 |
| 17 | oneil | patrick | M | 23 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 206 |
| 22 | oneil | thomas | M | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 206 |