Residents of Coaticook, T-V — Sub-district G, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 11 | ohern | frank | M | 8 | Roman Catholic | Irish | Canada | No Occupation Listed | 41 |
| 8 | ohern | johnie | M | 16 | Roman Catholic | Irish | Canada | Labourers nfs | 41 |
| 7 | ohern | mary | F | 30 | Roman Catholic | French | Canada | No Occupation Listed | 41 |
| 12 | ohern | mary | F | 6 | Roman Catholic | Irish | Canada | No Occupation Listed | 41 |
| 9 | ohern | patrick | M | 10 | Roman Catholic | Irish | Canada | No Occupation Listed | 41 |
| 6 | ohern | william | M | 42 | Roman Catholic | Irish | Ireland | Labourers nfs | 41 |
| 10 | ohern | william | M | 9 | Roman Catholic | Irish | Canada | No Occupation Listed | 41 |
| 5 | olivier | adele | F | 49 | Roman Catholic | French | Canada | No Occupation Listed | 106 |
| 8 | olivier | alfred | M | 22 | Roman Catholic | French | Canada | Day labourers (e.g journalier) | 106 |
| 10 | olivier | celenire | F | 10 | Roman Catholic | French | Canada | No Occupation Listed | 106 |
| 7 | olivier | onas | M | 25 | Roman Catholic | French | Canada | Dealer, merchant etc. (Wholesale & retail trade) | 106 |
| 11 | olivier | rosa | F | 8 | Roman Catholic | French | Canada | No Occupation Listed | 106 |
| 9 | olivier | theodule | M | 19 | Roman Catholic | French | Canada | Ambiguous responses | 106 |
| 4 | olivier | william | M | 51 | Roman Catholic | French | Canada | Day labourers (e.g journalier) | 106 |
| 6 | olivier | william | M | 27 | Roman Catholic | French | Canada | Day labourers (e.g journalier) | 106 |
| 21 | oneil | elina | F | 0 | Roman Catholic | Irish | Canada | No Occupation Listed | 69 |
| 18 | oneil | james | M | 37 | Roman Catholic | Irish | Canada | Tailors and tailoresses | 69 |
| 20 | oneil | james | M | 4 | Roman Catholic | Irish | Canada | No Occupation Listed | 69 |
| 19 | oneil | mary | F | 26 | Roman Catholic | Scottish | Canada | No Occupation Listed | 69 |
| 19 | orcott | marvin | M | 24 | Wesleyan Methodist | English | Canada | Labourers nfs | 79 |
| 24 | osgood | gurtie | F | 21 | Wesleyan Methodist | English | Canada | No Occupation Listed | 35 |
| 2 | otis | e | F | 24 | Baptist | English | Canada | No Occupation Listed | 177 |
| 3 | otis | maud | F | 4 | Baptist | English | Canada | No Occupation Listed | 177 |
| 1 | otis | proctor | M | 31 | Baptist | English | United States | Machinists | 177 |