Residents of Clinton, Village — Sub-district H, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 15 | oaks | augusta | F | 19 | Methodist | English | Ontario | No Occupation Listed | 112 |
| 14 | oaks | george | M | 21 | Methodist | English | Ontario | Cabinet makers | 112 |
| 15 | oliver | jemima | F | 50 | Presbyterian | Scottish | Scotland | No Occupation Listed | 84 |
| 18 | oliver | jessie | F | 17 | Presbyterian | Scottish | Ontario | No Occupation Listed | 84 |
| 16 | oliver | maggie | F | 23 | Presbyterian | Scottish | Ontario | No Occupation Listed | 84 |
| 17 | oliver | minnie | F | 19 | Presbyterian | Scottish | Ontario | No Occupation Listed | 84 |
| 2 | oneill | eliza | F | 54 | Presbyterian | Scottish | Scotland | No Occupation Listed | 275 |
| 3 | oneill | margaret | F | 23 | Presbyterian | Irish | Ireland | Teachers (unspecified) | 275 |
| 6 | osborne | calvin | M | 40 | Methodist | English | Ontario | Labourers nfs | 212 |
| 7 | osborne | sarah | F | 34 | Methodist | English | Ontario | No Occupation Listed | 212 |
| 8 | osborne | ward | M | 8 | Methodist | English | Ontario | No Occupation Listed | 212 |
| 22 | oshaw | kitty | F | 21 | Methodist | English | Ontario | Servants nfs | 240 |
| 16 | osler | sarah | F | 15 | Methodist | English | Ontario | Servants nfs | 179 |
| 9 | overberry | charles | M | 33 | Presbyterian | English | Ontario | Painters, nfs | 148 |
| 11 | overberry | grace | F | 4 | Presbyterian | English | Ontario | No Occupation Listed | 148 |
| 10 | overberry | margret | F | 32 | Presbyterian | Irish | Ontario | No Occupation Listed | 148 |