Residents of Aldborough — Sub-district A, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 22 | ollett | caroline | F | 15 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 100 |
| 25 | ollett | edith | F | 3 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 100 |
| 1 | ollett | john | M | 1 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 100 |
| 21 | ollett | louisa | F | 40 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 100 |
| 24 | ollett | robbert | M | 10 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 100 |
| 20 | ollett | robert | M | 44 | Wesleyan Methodist | English | Ontario | Farmers, general and nfs | 100 |
| 23 | ollett | willam | M | 13 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 100 |
| 13 | omally | charles | M | 39 | Anglican | Irish | Ireland | Farmers, general and nfs | 301 |
| 15 | omally | charles | M | 13 | Anglican | Irish | Ireland | No Occupation Listed | 301 |
| 25 | omally | elizabeth | F | 69 | Roman Catholic | Irish | Ontario | No Occupation Listed | 422 |
| 18 | omally | fredrick | M | 7 | Anglican | Irish | Ireland | No Occupation Listed | 301 |
| 16 | omally | henry | M | 11 | Anglican | Irish | Ireland | No Occupation Listed | 301 |
| 20 | omally | honoria | F | 0 | Anglican | Irish | Ireland | No Occupation Listed | 301 |
| 19 | omally | laughlin | M | 5 | Anglican | Irish | Ireland | No Occupation Listed | 301 |
| 14 | omally | mary | F | 36 | Anglican | Irish | Ireland | No Occupation Listed | 301 |
| 17 | omally | petter | M | 9 | Anglican | Irish | Ireland | No Occupation Listed | 301 |
| 25 | oneil | cathern | F | 18 | Roman Catholic | Irish | Ontario | No Occupation Listed | 163 |
| 21 | oneil | charles | M | 28 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 163 |
| 1 | oneil | ellen | F | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 163 |
| 2 | oneil | james | M | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 163 |
| 24 | oneil | john | M | 20 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 163 |
| 22 | oneil | margart | F | 24 | Roman Catholic | Irish | Ireland | No Occupation Listed | 163 |
| 20 | oneil | mary | F | 50 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 163 |
| 23 | oneil | mary | F | 22 | Roman Catholic | Irish | Ontario | No Occupation Listed | 163 |
| 3 | oneil | willam | M | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 163 |
| 12 | osten | emma | F | 21 | Baptist | Blank | United States | No Occupation Listed | 69 |
| 25 | otton | ada | F | 20 | Methodist | English | England | No Occupation Listed | 310 |
| 22 | otton | antoinette | F | 21 | Methodist | German | Ontario | No Occupation Listed | 396 |
| 1 | otton | caroline | F | 16 | Methodist | English | Ontario | No Occupation Listed | 310 |
| 20 | otton | dinnes | M | 65 | Methodist | English | England | Farmers, general and nfs | 310 |
| 21 | otton | elizabeth | F | 60 | Methodist | English | England | No Occupation Listed | 310 |
| 23 | otton | emily | F | 31 | Methodist | English | England | No Occupation Listed | 310 |
| 24 | otton | hattie | F | 27 | Methodist | English | England | No Occupation Listed | 310 |
| 22 | otton | samual | M | 36 | Methodist | English | England | Farmers, general and nfs | 310 |
| 21 | otton | willam | M | 29 | Methodist | German | Ontario | Dealer, merchant etc. (Wholesale & retail trade) | 396 |