Residents of Proton — Sub-district G, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 1 | odonal | elen | F | 15 | Roman Catholic | Irish | Ontario | No Occupation Listed | 276 |
| 2 | odonal | jestinea | F | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 276 |
| 24 | odonal | johana | F | 35 | Roman Catholic | Irish | Ireland | No Occupation Listed | 276 |
| 23 | odonal | john | M | 50 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 276 |
| 5 | odonal | john | M | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 276 |
| 25 | odonal | maggy | F | 17 | Roman Catholic | Irish | Ontario | No Occupation Listed | 276 |
| 3 | odonal | mary | F | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 276 |
| 6 | odonal | maurice | M | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 276 |
| 4 | odonal | patrick | M | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 276 |
| 16 | olauchlen | annie | F | 20 | Roman Catholic | Irish | Ontario | No Occupation Listed | 176 |
| 18 | olauchlen | bartho | M | 65 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 177 |
| 21 | olauchlen | hannah | F | 20 | Roman Catholic | Irish | Ontario | No Occupation Listed | 177 |
| 19 | olauchlen | johanna | F | 55 | Roman Catholic | Irish | Ireland | No Occupation Listed | 177 |
| 17 | olauchlen | mary | F | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 176 |
| 22 | olauchlen | michial | M | 26 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 178 |
| 20 | olauchlen | patrick | M | 18 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 177 |
| 15 | olauchlen | thos | M | 29 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 176 |
| 10 | oneil | ann | F | 11 | Methodist | Irish | Ontario | No Occupation Listed | 47 |
| 9 | oneil | c | F | 29 | Methodist | Scottish | Ontario | No Occupation Listed | 47 |
| 16 | oneil | c | F | 0 | Methodist | Irish | Ontario | No Occupation Listed | 47 |
| 14 | oneil | d | M | 3 | Methodist | Irish | Ontario | No Occupation Listed | 47 |
| 12 | oneil | j | M | 7 | Methodist | Irish | Ontario | No Occupation Listed | 47 |
| 11 | oneil | m | F | 9 | Methodist | Irish | Ontario | No Occupation Listed | 47 |
| 15 | oneil | m | F | 3 | Methodist | Irish | Ontario | No Occupation Listed | 47 |
| 13 | oneil | s | M | 5 | Methodist | Irish | Ontario | No Occupation Listed | 47 |
| 8 | oneil | samuel | M | 37 | Methodist | Irish | Quebec | Farmers, general and nfs | 47 |
| 15 | ostrander | andrew | M | 37 | Wesleyan Methodist | American | Ontario | Farmers, general and nfs | 48 |
| 19 | ostrander | ede | F | 8 | Wesleyan Methodist | American | Ontario | No Occupation Listed | 48 |
| 20 | ostrander | emma | F | 6 | Wesleyan Methodist | American | Ontario | No Occupation Listed | 48 |
| 16 | ostrander | marthy | F | 32 | Wesleyan Methodist | American | Ontario | No Occupation Listed | 48 |
| 21 | ostrander | marthy | F | 4 | Wesleyan Methodist | American | Ontario | No Occupation Listed | 48 |
| 18 | ostrander | osker | M | 11 | Wesleyan Methodist | American | Ontario | No Occupation Listed | 48 |
| 17 | ostrander | sarah | F | 13 | Wesleyan Methodist | American | Ontario | No Occupation Listed | 48 |
| 17 | outhwait | william | M | 16 | Methodist | English | Ontario | No Occupation Listed | 275 |