Residents of Collingwood — Sub-district B, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 1 | odell | annie | F | 9 | Presbyterian | Irish | Ontario | No Occupation Listed | 260 |
| 24 | odell | edmund | M | 11 | Presbyterian | Irish | Ontario | No Occupation Listed | 260 |
| 20 | odell | elizabeth | F | 43 | Presbyterian | Scottish | Scotland | No Occupation Listed | 260 |
| 21 | odell | elizabeth | F | 19 | Presbyterian | Irish | Ontario | No Occupation Listed | 260 |
| 23 | odell | ellen | F | 13 | Presbyterian | Irish | Ontario | No Occupation Listed | 260 |
| 2 | odell | george | M | 5 | Presbyterian | Irish | Ontario | No Occupation Listed | 260 |
| 19 | odell | john | M | 44 | Presbyterian | Irish | Ireland | Carpenters | 260 |
| 25 | odell | john | M | 7 | Presbyterian | Irish | Ontario | No Occupation Listed | 260 |
| 22 | odell | william | M | 15 | Presbyterian | Irish | Ontario | Carpenters | 260 |
| 17 | olmstead | esther | F | 0 | Anglican | English | Ontario | No Occupation Listed | 99 |
| 19 | olmstead | frances | F | 45 | Roman Catholic | Irish | Quebec | No Occupation Listed | 149 |
| 14 | olmstead | isabella | F | 22 | Anglican | English | Ontario | No Occupation Listed | 99 |
| 16 | olmstead | mabel | F | 3 | Anglican | English | Ontario | No Occupation Listed | 99 |
| 15 | olmstead | mary | F | 6 | Anglican | English | Ontario | No Occupation Listed | 99 |
| 13 | olmstead | solomon | M | 28 | Methodist | English | Ontario | Labourers nfs | 99 |
| 18 | olmstead | solomon | M | 61 | Universalist | English | Ontario | Farmers, general and nfs | 149 |
| 15 | orchard | sarah | F | 72 | Episcopal Methodist | English | England | No Occupation Listed | 69 |
| 2 | oshaughessy | kate | F | 17 | Roman Catholic | Irish | Ireland | No Occupation Listed | 193 |
| 7 | owens | albert | M | 5 | Methodist | English | Ontario | No Occupation Listed | 272 |
| 4 | owens | annie | F | 34 | Methodist | English | Ontario | No Occupation Listed | 272 |
| 6 | owens | frank | M | 7 | Methodist | English | Ontario | No Occupation Listed | 272 |
| 5 | owens | hinetta | F | 10 | Methodist | English | Ontario | No Occupation Listed | 272 |
| 3 | owens | josiah | M | 48 | Methodist | English | England | No Occupation Listed | 272 |