Residents of Elgin — Sub-district E, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 16 | oneil | eliza | F | 49 | Roman Catholic | Irish | Quebec | No Occupation Listed | 81 |
| 18 | oneil | martha | F | 11 | Roman Catholic | Irish | Quebec | No Occupation Listed | 81 |
| 17 | oneil | mary | F | 14 | Roman Catholic | Irish | Quebec | No Occupation Listed | 81 |
| 15 | oneil | patrick | M | 57 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 81 |
| 21 | oreily | agnes | F | 50 | Roman Catholic | English | Quebec | No Occupation Listed | 8 |
| 20 | oreily | charles | M | 61 | Roman Catholic | Irish | Ireland | No Occupation Listed | 8 |
| 13 | outeau | francis | M | 19 | Roman Catholic | French | Quebec | Servants nfs | 108 |