Residents of Preston, Village — Sub-district E, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 17 | oberle | andreas | M | 71 | Roman Catholic | German | Germany | Pedlars and hawkers | 235 |
| 18 | oberle | barbara | F | 69 | Roman Catholic | German | Germany | No Occupation Listed | 235 |
| 5 | ochsner | andrew | M | 10 | Roman Catholic | German | Ontario | No Occupation Listed | 137 |
| 2 | ochsner | elizabeth | F | 49 | Roman Catholic | German | Germany | No Occupation Listed | 137 |
| 4 | ochsner | john | M | 13 | Roman Catholic | German | Ontario | No Occupation Listed | 137 |
| 3 | ochsner | joseph | M | 19 | Roman Catholic | German | Ontario | No Occupation Listed | 137 |
| 1 | ochsner | m | M | 56 | Roman Catholic | Dutch | Switzerland | Carpenters | 137 |
| 11 | oleary | audrine | F | 64 | Roman Catholic | Irish | Ireland | No Occupation Listed | 157 |
| 10 | oleary | thos | M | 65 | Roman Catholic | Irish | Ireland | No Occupation Listed | 157 |
| 25 | olesen | anni | F | 34 | Lutheran | Danish | Denmark | No Occupation Listed | 36 |
| 24 | olesen | paul | M | 44 | Lutheran | Danish | Denmark | No Occupation Listed | 36 |