Residents of Petersville, Village — Sub-district E, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 16 | osborn | albert | M | 16 | Anglican | English | England | Cigar makers | 45 |
| 12 | osborn | alfred | M | 53 | Anglican | English | England | Carpenters | 45 |
| 14 | osborn | arthur | M | 21 | Anglican | English | England | Labourers nfs | 45 |
| 13 | osborn | mary | F | 56 | Anglican | English | England | No Occupation Listed | 45 |
| 15 | osborn | robert | M | 18 | Anglican | English | England | river drivers | 45 |
| 17 | osborn | walter | M | 14 | Anglican | English | England | No Occupation Listed | 45 |
| 5 | osullivan | bidgett | F | 40 | Roman Catholic | Irish | Ireland | No Occupation Listed | 68 |
| 4 | osullivan | john | M | 36 | Roman Catholic | Irish | Ireland | Bricklayers | 68 |
| 6 | osullivan | john | M | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 68 |
| 8 | osullivan | mary | F | 2 | Roman Catholic | Irish | Ontario | No Occupation Listed | 68 |
| 7 | osullivan | william | M | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 68 |
| 24 | owens | annie | F | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 140 |
| 18 | owens | george | M | 25 | Roman Catholic | Irish | Quebec | Plumbers | 140 |
| 23 | owens | george | M | 2 | Roman Catholic | Irish | Ontario | No Occupation Listed | 140 |
| 19 | owens | susanna | F | 32 | Roman Catholic | Scottish | Ontario | No Occupation Listed | 140 |
| 7 | oxley | mary | F | 63 | Methodist | Unknown | United States | No Occupation Listed | 271 |