Residents of Iroquois, Village — Sub-district B, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 6 | oneil | thomas | M | 48 | Roman Catholic | Irish | Ireland | Saddler and harness maker | 119 |
| 11 | osborne | alice | F | 20 | Presbyterian | English | Ontario | No Occupation Listed | 58 |
| 9 | osborne | jane | F | 45 | Anglican | English | England | No Occupation Listed | 58 |
| 12 | osborne | josephine | F | 15 | Anglican | English | Ontario | No Occupation Listed | 58 |
| 10 | osborne | william | M | 24 | Free Baptist | English | Ontario | Farmers, general and nfs | 58 |
| 10 | oxnam | alma | F | 25 | Methodist | English | Ontario | No Occupation Listed | 177 |
| 7 | oxnam | euphemia | F | 58 | Methodist | Scottish | United States | No Occupation Listed | 177 |
| 13 | oxnam | george | M | 15 | Methodist | English | Ontario | No Occupation Listed | 177 |
| 12 | oxnam | gordon | M | 15 | Methodist | English | Ontario | No Occupation Listed | 177 |
| 11 | oxnam | ida | F | 22 | Methodist | English | Ontario | No Occupation Listed | 177 |
| 9 | oxnam | mary | F | 28 | Methodist | English | Ontario | No Occupation Listed | 177 |
| 6 | oxnam | richard | M | 62 | Methodist | English | England | Millers and related workers | 177 |
| 8 | oxnam | william | M | 32 | Methodist | English | Ontario | No Occupation Listed | 177 |