Residents of St. Malachie — Sub-district I, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 5 | obriha | ellen | F | 9 | Roman Catholic | Irish | Quebec | No Occupation Listed | 8 |
| 3 | obriha | james | M | 13 | Roman Catholic | Irish | Quebec | No Occupation Listed | 8 |
| 4 | obriha | thomas | M | 11 | Roman Catholic | Irish | Quebec | No Occupation Listed | 8 |
| 15 | olec | alexandrine | F | 11 | Roman Catholic | French | Quebec | No Occupation Listed | 60 |
| 17 | olec | alfred | M | 26 | Roman Catholic | French | Quebec | Farmers, general and nfs | 61 |
| 20 | olec | alphonce | M | 1 | Roman Catholic | French | Quebec | No Occupation Listed | 61 |
| 10 | olec | alvine | F | 24 | Roman Catholic | French | Quebec | No Occupation Listed | 60 |
| 13 | olec | anna | F | 15 | Roman Catholic | French | Quebec | No Occupation Listed | 60 |
| 16 | olec | elzear | M | 8 | Roman Catholic | French | Quebec | No Occupation Listed | 60 |
| 19 | olec | filxtrin | F | 2 | Roman Catholic | French | Quebec | No Occupation Listed | 61 |
| 11 | olec | george | M | 19 | Roman Catholic | French | Quebec | Farmers, general and nfs | 60 |
| 14 | olec | honore | M | 14 | Roman Catholic | French | Quebec | No Occupation Listed | 60 |
| 9 | olec | pamela | F | 22 | Roman Catholic | French | Quebec | No Occupation Listed | 60 |
| 18 | olec | philopena | F | 21 | Roman Catholic | French | Quebec | No Occupation Listed | 61 |
| 12 | olec | theodore | M | 17 | Roman Catholic | French | Quebec | Farmers, general and nfs | 60 |
| 8 | olec | zoe | F | 44 | Roman Catholic | French | Quebec | Female farmer | 60 |
| 12 | oshaughnessy | michel | M | 22 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 121 |
| 14 | oshoughnessy | johannah | F | 19 | Roman Catholic | Irish | Quebec | No Occupation Listed | 3 |
| 12 | oshoughnessy | john | M | 50 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 3 |
| 17 | oshoughnessy | john | M | 15 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 3 |
| 19 | oshoughnessy | mary | F | 30 | Roman Catholic | Irish | Ireland | No Occupation Listed | 3 |
| 16 | oshoughnessy | maryann | F | 23 | Roman Catholic | Irish | Quebec | No Occupation Listed | 3 |
| 15 | oshoughnessy | patrick | M | 21 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 3 |
| 18 | oshoughnessy | peter | M | 12 | Roman Catholic | Irish | Quebec | No Occupation Listed | 3 |
| 13 | oshoughnossy | mary | F | 48 | Roman Catholic | Irish | Quebec | No Occupation Listed | 3 |