Residents of Newcastle — Sub-district B, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 10 | oconel | hannah | F | 86 | Roman Catholic | Irish | Ireland | No Occupation Listed | 168 |
| 10 | odonald | eliza | F | 17 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 231 |
| 11 | odonnell | bridget | F | 77 | Roman Catholic | Irish | Ireland | No Occupation Listed | 3 |
| 12 | odonnell | john | M | 49 | Roman Catholic | Irish | New Brunswick | Labourers nfs | 3 |
| 7 | osullivan | annie | F | 13 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 135 |
| 9 | osullivan | catharine | F | 6 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 135 |
| 8 | osullivan | laura | F | 8 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 135 |
| 6 | osullivan | mary | F | 30 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 135 |
| 11 | osullivan | mary | F | 2 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 135 |
| 5 | osullivan | thos | M | 38 | Roman Catholic | Irish | New Brunswick | Foremen and supervisors, railways | 135 |
| 10 | osullivan | thos | M | 4 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 135 |