Residents of Stephen — Sub-district A, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 1 | obrien | david | M | 36 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 225 |
| 2 | obrien | elizabeth | F | 27 | Roman Catholic | Irish | Ontario | No Occupation Listed | 225 |
| 4 | obrien | ellen | F | 70 | Roman Catholic | Irish | Ireland | No Occupation Listed | 225 |
| 5 | obrien | ellen | F | 25 | Roman Catholic | Irish | Ontario | No Occupation Listed | 225 |
| 12 | obrien | michael | M | 29 | Roman Catholic | Irish | Ontario | Labourers nfs | 226 |
| 6 | ocohnell | ann | F | 32 | Roman Catholic | Irish | Ontario | No Occupation Listed | 38 |
| 7 | ocohnell | denis | M | 30 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 38 |
| 5 | ocohnell | patrick | M | 70 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 38 |
| 2 | oconnor | catharine | F | 51 | Roman Catholic | Irish | Ireland | No Occupation Listed | 127 |
| 18 | oconnor | cornelius | M | 45 | Roman Catholic | Irish | Ireland | Labourers nfs | 87 |
| 4 | oconnor | denis | M | 21 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 127 |
| 1 | oconnor | john | M | 50 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 127 |
| 5 | oconnor | john | M | 15 | Roman Catholic | Irish | Ontario | Ambiguous responses | 127 |
| 3 | oconnor | julia | F | 22 | Roman Catholic | Irish | Ontario | No Occupation Listed | 127 |
| 25 | oestreicher | barbara | F | 52 | Evangelical | German | Germany | Farmers, general and nfs | 71 |
| 5 | oestreicher | daniel | M | 15 | Evangelical | German | Ontario | Farmers, general and nfs | 71 |
| 2 | oestreicher | elizabeth | F | 17 | Evangelical | German | Ontario | Farmers, general and nfs | 71 |
| 3 | oestreicher | godfred | M | 25 | Evangelical | German | Ontario | Farmers, general and nfs | 71 |
| 4 | oestreicher | herman | M | 24 | Evangelical | German | Ontario | Farmers, general and nfs | 71 |
| 1 | oestreicher | mary | F | 20 | Evangelical | German | Ontario | Farmers, general and nfs | 71 |
| 24 | oestreicher | michael | M | 62 | Evangelical | German | Germany | Farmers, general and nfs | 71 |
| 17 | oleary | annie | F | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 149 |
| 13 | oleary | arthur | M | 43 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 149 |
| 23 | oleary | arthur | M | 74 | Roman Catholic | Irish | Ireland | No Occupation Listed | 220 |
| 14 | oleary | ellen | F | 42 | Roman Catholic | Irish | Ireland | No Occupation Listed | 149 |
| 16 | oleary | george | M | 14 | Roman Catholic | Irish | Ontario | Ambiguous responses | 149 |
| 1 | oleary | james | M | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 220 |
| 18 | oleary | loewesie | F | 10 | Roman Catholic | Irish | Ontario | No Occupation Listed | 149 |
| 25 | oleary | louis | M | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 220 |
| 15 | oleary | mary | F | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 149 |
| 24 | oleary | mary | F | 26 | Roman Catholic | Irish | Ontario | No Occupation Listed | 220 |
| 19 | oleary | phoebe | F | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 149 |
| 22 | olheniser | joseph | M | 23 | Roman Catholic | German | Ontario | Cartwrights and wheelwrights | 142 |
| 23 | olheniser | lena | F | 22 | Roman Catholic | German | Ontario | Cartwrights and wheelwrights | 142 |
| 17 | oliver | jasih | M | 6 | Primitive Methodist | English | Ontario | No Occupation Listed | 7 |
| 13 | oliver | richard | M | 18 | Primitive Methodist | English | Ontario | No Occupation Listed | 7 |
| 12 | oliver | sarah | F | 51 | Primitive Methodist | English | England | No Occupation Listed | 7 |
| 16 | oliver | sarah | F | 8 | Primitive Methodist | English | Ontario | No Occupation Listed | 7 |
| 11 | oliver | ware | M | 49 | Primitive Methodist | English | England | Farmers, general and nfs | 7 |
| 14 | oliver | ware | M | 15 | Primitive Methodist | English | Ontario | No Occupation Listed | 7 |
| 15 | oliver | william | M | 13 | Primitive Methodist | English | Ontario | No Occupation Listed | 7 |
| 15 | olver | elisabeth | F | 40 | Methodist | English | England | No Occupation Listed | 7 |
| 14 | olver | john | M | 60 | United Methodist/Bible Christian | English | England | Farmers, general and nfs | 7 |
| 3 | orange | george | M | 23 | Roman Catholic | Irish | Ontario | Labourers nfs | 229 |
| 4 | orange | jane | F | 60 | Roman Catholic | Scottish | Scotland | No Occupation Listed | 229 |
| 4 | orouke | james | M | 30 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 140 |
| 15 | orouke | mary | F | 20 | Roman Catholic | Irish | Ontario | Dressmakers | 41 |
| 24 | orouke | mary | F | 54 | Roman Catholic | Irish | Ireland | No Occupation Listed | 139 |
| 1 | orouke | michel | M | 19 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 139 |
| 2 | orouke | patrack | M | 17 | Roman Catholic | Irish | Ontario | No Occupation Listed | 139 |
| 25 | orouke | richard | M | 23 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 139 |
| 3 | orouke | timoethy | M | 15 | Roman Catholic | Irish | Ontario | No Occupation Listed | 139 |
| 21 | otto | henry | M | 19 | Lutheran | German | United States | Labourers nfs | 12 |
| 20 | otto | lovina | F | 10 | Lutheran | Dutch | Ontario | No Occupation Listed | 12 |