Residents of Parkdale, Village — Sub-district C, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 18 | obrien | agnes | F | 22 | Roman Catholic | Irish | United States | Members of religious orders | 125 |
| 4 | ockley | george | M | 1 | Methodist | English | Ontario | No Occupation Listed | 58 |
| 2 | ockley | john | M | 31 | Methodist | English | England | Ministers of Religion | 58 |
| 3 | ockley | lavina | F | 27 | Methodist | Irish | Ontario | No Occupation Listed | 58 |
| 2 | odonahoe | winnifrede | F | 20 | Roman Catholic | Irish | United States | Prostitutes | 125 |
| 21 | oleary | mary | F | 33 | Roman Catholic | Irish | Ontario | Members of religious orders | 125 |
| 25 | ontonia | joseph | M | 25 | Methodist | Italian | Italy | Plasterers | 157 |