Residents of Dartmouth — Sub-district N, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
|---|
| 16 | obrica | margaret | F | 55 | Roman Catholic | Irish | Newfoundland | No Occupation Listed | 248 |
| 2 | oconnor | briget | F | 55 | Roman Catholic | Irish | Ireland | Housekeeper nfs | 1 |
| 25 | oconnor | michel | M | 30 | Roman Catholic | Irish | Ireland | Miners | 133 |
| 11 | oconnors | william | M | 60 | Roman Catholic | Irish | Ireland | Labourers nfs | 22 |
| 1 | oconors | john | M | 47 | Roman Catholic | Irish | Nova Scotia | Farmers, general and nfs | 1 |
| 6 | ohearn | michael | M | 27 | Roman Catholic | Irish | Ireland | Carpenters | 251 |
| 5 | oliver | ann | F | 24 | Anglican | English | Nova Scotia | No Occupation Listed | 251 |
| 17 | ormon | anney | F | 16 | Anglican | Welsh | Nova Scotia | No Occupation Listed | 188 |
| 14 | ormon | harriet | F | 44 | Anglican | English | Nova Scotia | No Occupation Listed | 188 |
| 15 | ormon | james | M | 20 | Anglican | Welsh | Nova Scotia | Labourers nfs | 188 |
| 16 | ormon | john | M | 18 | Anglican | Welsh | Nova Scotia | Clerks in shops and stores | 188 |
| 21 | ormon | minnie | F | 4 | Anglican | Welsh | Nova Scotia | No Occupation Listed | 188 |
| 18 | ormon | nelson | M | 16 | Anglican | Welsh | Nova Scotia | Carpenters | 188 |
| 20 | ormon | wentworth | M | 11 | Anglican | Welsh | Nova Scotia | No Occupation Listed | 188 |
| 13 | ormon | william | M | 60 | Universalist | Welsh | Nova Scotia | Carpenters | 188 |
| 19 | ormon | william | M | 15 | Anglican | Welsh | Nova Scotia | Carpenters | 188 |
| 1 | ormond | mary | F | 73 | Roman Catholic | Irish | Ireland | No Occupation Listed | 251 |
| 23 | orpin | mary | F | 63 | Anglican | English | Nova Scotia | No Occupation Listed | 251 |