Residents of Antigonish — Sub-district C, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 19 | obrien | alice | F | 4 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 26 |
| 16 | obrien | alice | F | 45 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 179 |
| 17 | obrien | bridget | F | 9 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 26 |
| 11 | obrien | catherine | F | 23 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 26 |
| 17 | obrien | catherine | F | 20 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 179 |
| 21 | obrien | catherine | F | 36 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 235 |
| 25 | obrien | catherine | F | 5 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 235 |
| 7 | obrien | dennis | M | 16 | Roman Catholic | Irish | Nova Scotia | Labourers nfs | 202 |
| 23 | obrien | elizabeth | F | 9 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 235 |
| 21 | obrien | francis | M | 12 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 179 |
| 4 | obrien | hannah | F | 21 | Roman Catholic | Irish | Nova Scotia | Servants nfs | 202 |
| 6 | obrien | hannah | F | 17 | Roman Catholic | Irish | Nova Scotia | Servants nfs | 202 |
| 22 | obrien | hannah | F | 12 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 235 |
| 10 | obrien | james | M | 25 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 26 |
| 15 | obrien | james | M | 48 | Roman Catholic | Irish | Nova Scotia | Tanners nfs | 179 |
| 8 | obrien | john | M | 46 | Roman Catholic | Irish | Nova Scotia | Tanners nfs | 26 |
| 14 | obrien | john | M | 15 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 26 |
| 19 | obrien | john | M | 16 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 179 |
| 8 | obrien | john | M | 12 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 202 |
| 18 | obrien | joseph | M | 18 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 179 |
| 16 | obrien | julia | F | 11 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 26 |
| 15 | obrien | maggie | F | 13 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 26 |
| 22 | obrien | marcella | F | 10 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 179 |
| 5 | obrien | margaret | F | 19 | Roman Catholic | Irish | Nova Scotia | Servants nfs | 202 |
| 9 | obrien | mary | F | 44 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 26 |
| 13 | obrien | mary | F | 17 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 26 |
| 23 | obrien | mary | F | 8 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 179 |
| 3 | obrien | mary | F | 50 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 202 |
| 9 | obrien | mary | F | 14 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 202 |
| 1 | obrien | mary | F | 0 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 235 |
| 12 | obrien | michael | M | 18 | Roman Catholic | Irish | Nova Scotia | Tanners nfs | 26 |
| 2 | obrien | patrick | M | 60 | Roman Catholic | Irish | Ireland | Labourers nfs | 202 |
| 24 | obrien | sarah | F | 5 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 179 |
| 20 | obrien | simpressa | F | 14 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 179 |
| 20 | obrien | thomas | M | 35 | Roman Catholic | Irish | Nova Scotia | Labourers nfs | 235 |
| 18 | obrien | william | M | 7 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 26 |
| 10 | obrien | william | M | 7 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 202 |
| 24 | obrien | william | M | 7 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 235 |
| 6 | odonoghue | c | F | 10 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 336 |
| 3 | odonoghue | cassie | F | 37 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 336 |
| 4 | odonoghue | mary | F | 14 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 336 |
| 7 | odonoghue | richard | M | 8 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 336 |
| 2 | odonoghue | s | M | 43 | Roman Catholic | Irish | Ireland | Construction workers nec | 336 |
| 5 | odonoghue | sylvestor | M | 13 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 336 |
| 3 | ormiston | catherine | F | 34 | Presbyterian | Scottish | Nova Scotia | No Occupation Listed | 236 |
| 2 | ormiston | donald | M | 35 | Presbyterian | Scottish | New Brunswick | Engineers (US) nfs | 236 |
| 5 | ormiston | francis | M | 9 | Presbyterian | Scottish | Nova Scotia | No Occupation Listed | 236 |
| 6 | ormiston | j | F | 0 | Presbyterian | Scottish | Nova Scotia | No Occupation Listed | 236 |
| 4 | ormiston | mary | F | 12 | Presbyterian | Scottish | Nova Scotia | No Occupation Listed | 236 |