Residents of Gatineau, Village — Sub-district CC, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 1 | ohagan | catherine | F | 25 | Roman Catholic | Irish | Quebec | No Occupation Listed | 139 |
| 2 | ohagan | croaley | M | 17 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 139 |
| 4 | ohagan | elizabeth | F | 13 | Roman Catholic | Irish | Quebec | No Occupation Listed | 139 |
| 5 | ohagan | frank | M | 11 | Roman Catholic | Irish | Quebec | No Occupation Listed | 139 |
| 23 | ohagan | james | M | 63 | Roman Catholic | Irish | Ireland | Ambiguous responses | 139 |
| 25 | ohagan | james | M | 19 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 139 |
| 3 | ohagan | jane | F | 14 | Roman Catholic | Irish | Quebec | No Occupation Listed | 139 |
| 24 | ohagan | theresa | F | 45 | Roman Catholic | Irish | Nebraska | No Occupation Listed | 139 |
| 21 | olivier | joseph | M | 7 | Roman Catholic | French | Quebec | No Occupation Listed | 117 |
| 20 | olivier | marie | F | 8 | Roman Catholic | French | Quebec | No Occupation Listed | 117 |
| 19 | olivier | philomine | F | 25 | Roman Catholic | French | Quebec | No Occupation Listed | 117 |
| 25 | oreily | frank | M | 2 | Roman Catholic | Irish | Quebec | No Occupation Listed | 216 |
| 24 | oreily | hugh | M | 4 | Roman Catholic | Irish | Quebec | No Occupation Listed | 216 |
| 23 | oreily | leonard | F | 11 | Roman Catholic | Irish | Quebec | No Occupation Listed | 216 |
| 22 | oreily | philomine | F | 39 | Roman Catholic | French | Quebec | No Occupation Listed | 216 |
| 21 | oreily | william | M | 45 | Roman Catholic | Irish | Ireland | No Occupation Listed | 216 |
| 20 | osborne | abraham | M | 20 | Roman Catholic | French | Quebec | Farmers, general and nfs | 207 |
| 19 | osborne | alfred | M | 29 | Roman Catholic | French | Quebec | Day labourers (e.g journalier) | 195 |
| 25 | osborne | azelie | F | 0 | Roman Catholic | French | Quebec | No Occupation Listed | 212 |
| 23 | osborne | cordelia | F | 7 | Roman Catholic | French | Quebec | No Occupation Listed | 207 |
| 19 | osborne | dominique | M | 22 | Roman Catholic | French | Quebec | Farmers, general and nfs | 207 |
| 17 | osborne | emilie | F | 11 | Roman Catholic | French | Quebec | No Occupation Listed | 194 |
| 22 | osborne | esse | M | 12 | Roman Catholic | French | Quebec | No Occupation Listed | 207 |
| 18 | osborne | henriette | F | 50 | Roman Catholic | French | Quebec | No Occupation Listed | 207 |
| 24 | osborne | henriette | F | 21 | Roman Catholic | French | Quebec | No Occupation Listed | 212 |
| 16 | osborne | hiram | M | 14 | Roman Catholic | French | Quebec | No Occupation Listed | 194 |
| 18 | osborne | joseph | M | 5 | Roman Catholic | French | Quebec | No Occupation Listed | 194 |
| 14 | osborne | louise | F | 50 | Roman Catholic | French | Quebec | No Occupation Listed | 194 |
| 15 | osborne | samuel | M | 17 | Roman Catholic | French | Quebec | No Occupation Listed | 194 |
| 17 | osborne | thomas | M | 42 | Roman Catholic | French | Quebec | Farmers, general and nfs | 207 |
| 23 | osborne | thomas | M | 22 | Roman Catholic | French | Quebec | Day labourers (e.g journalier) | 212 |
| 21 | osborne | ursule | F | 14 | Roman Catholic | French | Quebec | No Occupation Listed | 207 |