Residents of Sydenham — Sub-district B, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 2 | oniel | emma | F | 19 | Presbyterian | English | Michigan | Servants nfs | 171 |
| 17 | ormiston | grace | F | 7 | Presbyterian | Scottish | Ontario | No Occupation Listed | 208 |
| 14 | ormiston | john | M | 38 | Presbyterian | Scottish | Ontario | Farmers, general and nfs | 208 |
| 20 | ormiston | john | M | 0 | Presbyterian | Scottish | Ontario | No Occupation Listed | 208 |
| 18 | ormiston | lockhart | M | 5 | Presbyterian | Scottish | Ontario | No Occupation Listed | 208 |
| 15 | ormiston | mary | F | 35 | Presbyterian | English | England | No Occupation Listed | 208 |
| 16 | ormiston | rosa | F | 9 | Presbyterian | Scottish | Ontario | No Occupation Listed | 208 |
| 19 | ormiston | william | M | 2 | Presbyterian | Scottish | Ontario | No Occupation Listed | 208 |