Residents of Marysborough N — Sub-district G, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 24 | oflinn | anna | F | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 66 |
| 20 | oflinn | cathrn | F | 41 | Roman Catholic | Irish | Ontario | No Occupation Listed | 66 |
| 19 | oflinn | john | M | 44 | Roman Catholic | Irish | Ontario | Seamen | 66 |
| 21 | oflinn | john | M | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 66 |
| 23 | oflinn | lizie | F | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 66 |
| 22 | oflinn | mary | F | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 66 |
| 19 | oflynn | alvaretta | F | 28 | Roman Catholic | English | Ontario | No Occupation Listed | 195 |
| 18 | oflynn | bernard | M | 38 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 195 |
| 21 | oflynn | jessy | M | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 195 |
| 20 | oflynn | mary | F | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 195 |
| 25 | oleary | catherine | F | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 22 |
| 1 | ovns | adam | M | 42 | Anglican | Irish | Ontario | Carpenters | 43 |
| 8 | ovns | ellon | F | 3 | Anglican | Irish | Ontario | No Occupation Listed | 43 |
| 4 | ovns | emma | F | 13 | Anglican | Irish | Ontario | No Occupation Listed | 43 |
| 6 | ovns | fany | F | 8 | Anglican | Irish | Ontario | No Occupation Listed | 43 |
| 3 | ovns | james | M | 75 | Anglican | Irish | Ireland | Farmers, general and nfs | 43 |
| 7 | ovns | james | M | 6 | Anglican | Irish | Ontario | No Occupation Listed | 43 |
| 2 | ovns | jane | F | 37 | Anglican | Irish | Ontario | No Occupation Listed | 43 |
| 9 | ovns | margret | F | 1 | Anglican | Irish | Ontario | No Occupation Listed | 43 |
| 5 | ovns | mary | F | 10 | Anglican | Irish | Ontario | No Occupation Listed | 43 |