Residents of Wolford — Sub-district C, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 18 | oakes | rachel | F | 54 | Methodist | Irish | Ireland | No Occupation Listed | 119 |
| 20 | oakes | rachel | F | 17 | Methodist | Irish | Ontario | No Occupation Listed | 119 |
| 19 | oakes | thos | M | 23 | Methodist | Irish | Ontario | Farmers, general and nfs | 119 |
| 17 | oakes | william | M | 60 | Methodist | Irish | Ireland | Farmers, general and nfs | 119 |
| 21 | oakes | william | M | 15 | Methodist | Irish | Ontario | No Occupation Listed | 119 |
| 7 | obrien | catherine | F | 17 | Roman Catholic | Irish | Ontario | No Occupation Listed | 47 |
| 11 | obrien | danial | M | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 47 |
| 13 | obrien | edward | M | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 47 |
| 5 | obrien | elizabth | F | 46 | Roman Catholic | Irish | Ontario | No Occupation Listed | 47 |
| 10 | obrien | elizebth | F | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 47 |
| 9 | obrien | lena | F | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 47 |
| 6 | obrien | mary | F | 19 | Roman Catholic | Irish | Ontario | No Occupation Listed | 47 |
| 8 | obrien | osa | F | 15 | Roman Catholic | Irish | Ontario | No Occupation Listed | 47 |
| 4 | obrien | patrick | M | 50 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 47 |
| 12 | obrien | patrick | M | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 47 |
| 22 | odonell | augustin | M | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 81 |
| 20 | odonell | eliza | F | 26 | Roman Catholic | Irish | Ontario | No Occupation Listed | 81 |
| 19 | odonell | hugh | M | 28 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 81 |
| 21 | odonell | john | M | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 81 |
| 23 | odonell | joseph | M | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 81 |
| 18 | oevmal | james | M | 77 | Roman Catholic | English | Ireland | Labourers nfs | 263 |
| 8 | olmstad | calvin | M | 0 | Wesleyan Methodist | Scottish | Ontario | No Occupation Listed | 69 |
| 6 | olmstad | danial | M | 28 | Wesleyan Methodist | Scottish | Ontario | Farmers, general and nfs | 69 |
| 7 | olmstad | margret | F | 21 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 69 |
| 20 | oneal | catherin | F | 36 | Roman Catholic | Irish | Ontario | No Occupation Listed | 92 |
| 21 | oneal | catherin | F | 12 | Roman Catholic | Irish | Ontario | No Occupation Listed | 92 |
| 25 | oneal | edward | M | 1 | Roman Catholic | Irish | Ontario | No Occupation Listed | 92 |
| 1 | oneal | elezebth | F | 68 | Roman Catholic | Irish | Ireland | No Occupation Listed | 92 |
| 19 | oneal | james | M | 44 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 92 |
| 23 | oneal | james | M | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 92 |
| 24 | oneal | john | M | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 92 |
| 22 | oneal | simon | M | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 92 |
| 3 | onial | cyrus | M | 24 | | Blank | — | Farmers, general and nfs | 19 |
| 1 | onial | felix | M | 59 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 19 |
| 4 | onial | francies | M | 21 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 19 |
| 5 | onial | henery | M | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 19 |
| 6 | onial | jesse | M | 12 | Roman Catholic | Irish | Ontario | No Occupation Listed | 19 |
| 2 | onial | melissa | F | 55 | Roman Catholic | English | Ontario | No Occupation Listed | 19 |