Residents of Adelaide — Sub-district A, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 2 | ogden | benson | M | 3 | Episcopal Methodist | Irish | Ontario | No Occupation Listed | 61 |
| 25 | ogden | henry | M | 8 | Episcopal Methodist | Irish | Ontario | No Occupation Listed | 61 |
| 23 | ogden | huldy | F | 28 | Episcopal Methodist | Irish | Ontario | No Occupation Listed | 61 |
| 22 | ogden | isic | M | 32 | Episcopal Methodist | Irish | Ontario | Farmers, general and nfs | 61 |
| 1 | ogden | mary | F | 5 | Episcopal Methodist | Irish | Ontario | No Occupation Listed | 61 |
| 24 | ogden | william | M | 10 | Episcopal Methodist | Irish | Ontario | No Occupation Listed | 61 |
| 21 | oke | cornelis | M | 12 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 89 |
| 22 | oke | eliza | F | 10 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 89 |
| 19 | oke | elizabeth | F | 46 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 89 |
| 25 | oke | grace | F | 4 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 89 |
| 20 | oke | joanna | F | 18 | Wesleyan Methodist | English | Ontario | Seamstress | 89 |
| 18 | oke | john | M | 43 | Wesleyan Methodist | English | England | Farmers, general and nfs | 89 |
| 24 | oke | richard | M | 6 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 89 |
| 23 | oke | william | M | 8 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 89 |
| 18 | oneill | dinnes | M | 42 | Wesleyan Methodist | Irish | Ontario | Farmers, general and nfs | 73 |
| 19 | oneill | margret | F | 31 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 73 |
| 17 | orr | james | M | 22 | Anglican | English | Ontario | Labourers nfs | 153 |
| 18 | orr | jessie | F | 20 | Presbyterian | Scottish | Ontario | No Occupation Listed | 153 |