Residents of South Esk — Sub-district D, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 11 | obrion | annie | F | 31 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 70 |
| 10 | obrion | cornialus | M | 44 | Roman Catholic | Irish | New Brunswick | Farmers, general and nfs | 70 |
| 15 | obrion | cornialus | M | 0 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 70 |
| 12 | obrion | margaret | F | 5 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 70 |
| 14 | obrion | may | F | 2 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 70 |
| 13 | obrion | susan | F | 4 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 70 |
| 21 | oldfield | sarah | F | 50 | Roman Catholic | Irish | New Brunswick | Servants nfs | 54 |
| 22 | oscar | charles | M | 23 | Presbyterian | Irish | Sweden | No Occupation Listed | 67 |