Residents of Malden — Sub-district A, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 24 | ong | beng | M | 46 | Presbyterian | English | United States | Farmers, general and nfs | 199 |
| 2 | ong | chas | M | 22 | Presbyterian | English | United States | Farmers, general and nfs | 199 |
| 6 | ong | ellis | M | 7 | Presbyterian | English | Ontario | No Occupation Listed | 199 |
| 5 | ong | ira | M | 9 | Presbyterian | English | Ontario | No Occupation Listed | 199 |
| 3 | ong | john | M | 16 | Presbyterian | English | Ontario | Farmers, general and nfs | 199 |
| 1 | ong | leroy | M | 23 | Presbyterian | English | United States | Farmers, general and nfs | 199 |
| 4 | ong | orrin | M | 12 | Presbyterian | English | Ontario | No Occupation Listed | 199 |
| 25 | ong | rosanna | F | 46 | Presbyterian | Scottish | United States | No Occupation Listed | 199 |