Residents of Buckingham — Sub-district A, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 22 | oneil | ann | F | 53 | Roman Catholic | Irish | Ireland | No Occupation Listed | 122 |
| 25 | oneil | emma | F | 18 | Roman Catholic | Irish | Quebec | No Occupation Listed | 122 |
| 23 | oneil | james | M | 25 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 122 |
| 21 | oneil | john | M | 61 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 122 |
| 24 | oneil | john | M | 23 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 122 |
| 3 | oneill | catherine | F | 20 | Roman Catholic | Irish | Quebec | Housekeeper nfs | 122 |
| 2 | oneill | daniel | M | 14 | Roman Catholic | Irish | Quebec | No Occupation Listed | 122 |
| 7 | oneill | ellen | F | 0 | Roman Catholic | Irish | Quebec | No Occupation Listed | 147 |
| 6 | oneill | eveline | F | 29 | Roman Catholic | Irish | Quebec | No Occupation Listed | 147 |
| 1 | oneill | hugh | M | 16 | Roman Catholic | Irish | Quebec | No Occupation Listed | 122 |
| 5 | oneill | james | M | 27 | Roman Catholic | Irish | Ireland | Labourers nfs | 147 |
| 2 | orkut | jane | F | 28 | Roman Catholic | Irish | Quebec | No Occupation Listed | 46 |
| 4 | orkut | john | M | 20 | Roman Catholic | Irish | Quebec | Labourers nfs | 46 |
| 3 | orkut | robert | M | 22 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 46 |
| 1 | orkut | william | M | 26 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 46 |