Residents of Montmagny, T-V — Sub-district A, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 7 | oliva | james | M | 54 | Roman Catholic | French | Quebec | avocat | 255 |
| 15 | ouellet | almanda | F | 0 | Roman Catholic | French | Quebec | No Occupation Listed | 131 |
| 11 | ouellet | arthur | M | 18 | Roman Catholic | French | Quebec | Commercial travellers | 131 |
| 14 | ouellet | elizabeth | F | 23 | Roman Catholic | French | Quebec | No Occupation Listed | 131 |
| 8 | ouellet | joseph | M | 54 | Roman Catholic | French | Quebec | Drivers (general haulage) | 131 |
| 13 | ouellet | joseph | M | 28 | Roman Catholic | French | Quebec | Commercial travellers | 131 |
| 12 | ouellet | josephine | F | 14 | Roman Catholic | French | Quebec | No Occupation Listed | 131 |
| 9 | ouellet | rosalie | F | 54 | Roman Catholic | French | Quebec | No Occupation Listed | 131 |
| 10 | ouellet | xavier | M | 24 | Roman Catholic | French | Quebec | Commercial travellers | 131 |