Residents of Egremont — Sub-district E, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 12 | oconnel | annie | F | 20 | Roman Catholic | Irish | Ireland | No Occupation Listed | 291 |
| 13 | oconnel | daniel | M | 18 | Roman Catholic | Irish | Ontario | No Occupation Listed | 291 |
| 11 | oconnel | elizabeth | F | 22 | Roman Catholic | Irish | Ireland | No Occupation Listed | 291 |
| 14 | oconnel | james | M | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 291 |
| 15 | oconnel | john | M | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 190 |
| 8 | oconnel | john | M | 80 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 291 |
| 9 | oconnel | mary | F | 60 | Roman Catholic | Irish | Ireland | No Occupation Listed | 291 |
| 16 | oconnel | maurice | M | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 190 |
| 10 | oconnel | michael | M | 28 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 291 |
| 14 | oconnel | timothy | M | 36 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 190 |
| 21 | ofarrel | catherine | F | 27 | Roman Catholic | Irish | Ontario | No Occupation Listed | 279 |
| 24 | ofarrel | daniel | M | 18 | Roman Catholic | Irish | Ontario | No Occupation Listed | 279 |
| 22 | ofarrel | james | M | 23 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 279 |
| 20 | ofarrel | joanna | F | 55 | Roman Catholic | Irish | Ireland | No Occupation Listed | 279 |
| 19 | ofarrel | kearn | M | 55 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 279 |
| 23 | ofarrel | margaret | F | 17 | Roman Catholic | Irish | Ontario | No Occupation Listed | 279 |
| 25 | ofarrel | michael | M | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 279 |
| 2 | ofarrel | patrich | M | 10 | Roman Catholic | Irish | Ontario | No Occupation Listed | 279 |
| 1 | ofarrel | philip | M | 12 | Roman Catholic | Irish | Ontario | No Occupation Listed | 279 |
| 8 | ohara | annie | F | 36 | Roman Catholic | Irish | Ireland | Female farmer | 183 |
| 10 | ohara | annie | F | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 183 |
| 4 | ohara | charles | M | 26 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 6 |
| 9 | ohara | charles | M | 15 | Roman Catholic | Irish | Ireland | No Occupation Listed | 183 |
| 11 | ohara | james | M | 10 | Roman Catholic | Irish | Ontario | No Occupation Listed | 183 |
| 5 | ohara | may | F | 26 | Roman Catholic | Irish | Ontario | No Occupation Listed | 6 |
| 3 | ohara | oliver | M | 62 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 6 |
| 13 | ohara | oliver | M | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 183 |
| 12 | ohara | william | M | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 183 |
| 7 | orchard | christina | F | 35 | Wesleyan Methodist | German | Ontario | No Occupation Listed | 105 |
| 9 | orchard | elizabeth | F | 52 | Methodist | English | England | No Occupation Listed | 59 |
| 8 | orchard | john | M | 11 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 105 |
| 10 | orchard | mary | F | 4 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 105 |
| 11 | orchard | nancy | F | 15 | Methodist | English | Ontario | No Occupation Listed | 59 |
| 8 | orchard | samuel | M | 56 | Methodist | English | England | Farmers, general and nfs | 59 |
| 10 | orchard | samuel | M | 18 | Methodist | English | Ontario | Farmers, general and nfs | 59 |
| 6 | orchard | thomas | M | 36 | Wesleyan Methodist | English | Ontario | Farmers, general and nfs | 105 |
| 9 | orchard | william | M | 6 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 105 |
| 21 | orr | allan | M | 45 | Presbyterian | Scottish | Scotland | Farmers, general and nfs | 217 |
| 23 | orr | duncan | M | 6 | Presbyterian | Scottish | Ontario | No Occupation Listed | 217 |
| 22 | orr | flora | F | 30 | Presbyterian | Scottish | Ontario | No Occupation Listed | 217 |
| 24 | orr | jennet | F | 4 | Presbyterian | Scottish | Ontario | No Occupation Listed | 217 |
| 25 | orr | mary | F | 2 | Presbyterian | Scottish | Ontario | No Occupation Listed | 217 |