Residents of Addington — Sub-district B, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 9 | oakleaf | delinea | F | 20 | Presbyterian | English | New Brunswick | No Occupation Listed | 199 |
| 8 | oakleaf | john | M | 26 | Presbyterian | Swedish | Sweden | Railway or Railroad Firemen and stokers | 199 |
| 23 | oconnor | cathrine | F | 8 | Roman Catholic | Irish | Prince Edward Island | No Occupation Listed | 95 |
| 25 | oconnor | elizabeth | F | 4 | Roman Catholic | Irish | Prince Edward Island | No Occupation Listed | 95 |
| 20 | oconnor | jeremiah | M | 30 | Roman Catholic | Irish | Prince Edward Island | Blacksmiths | 95 |
| 22 | oconnor | john | M | 10 | Roman Catholic | Irish | Prince Edward Island | No Occupation Listed | 95 |
| 21 | oconnor | matilda | F | 31 | Roman Catholic | Scottish | Prince Edward Island | No Occupation Listed | 95 |
| 24 | oconnor | michael | M | 6 | Roman Catholic | Irish | Prince Edward Island | No Occupation Listed | 95 |
| 3 | odett | margaret | F | 23 | Roman Catholic | French | Quebec | No Occupation Listed | 78 |
| 2 | odett | mathew | M | 33 | Roman Catholic | French | Quebec | No Occupation Listed | 78 |
| 4 | okeeffe | hugh | M | 38 | Roman Catholic | Irish | New Brunswick | Hotel Keepers and Managers | 79 |
| 5 | okeeffe | mary | F | 27 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 79 |
| 9 | okeeffer | arthur | M | 3 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 128 |
| 11 | okeeffer | bridget | F | 29 | Roman Catholic | Irish | Quebec | No Occupation Listed | 128 |
| 7 | okeeffer | daniel | M | 42 | Roman Catholic | Irish | New Brunswick | Hotel Keepers and Managers | 128 |
| 10 | okeeffer | elizabeth | F | 0 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 128 |
| 8 | okeeffer | minnie | F | 5 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 128 |