Residents of Ramsay — Sub-district A, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 15 | oats | elizabeth | F | 17 | Anglican | Irish | Ireland | No Occupation Listed | 86 |
| 18 | oats | george | M | 11 | Anglican | Irish | Ireland | No Occupation Listed | 86 |
| 20 | oats | james | M | 8 | Anglican | Irish | Ireland | No Occupation Listed | 86 |
| 11 | oats | john | M | 70 | Anglican | Irish | Ireland | Farmers, general and nfs | 86 |
| 13 | oats | john | M | 23 | Anglican | Irish | Ireland | Farmers, general and nfs | 86 |
| 16 | oats | latecia | F | 15 | Anglican | Irish | Ireland | No Occupation Listed | 86 |
| 19 | oats | maria | F | 9 | Anglican | Irish | Ireland | No Occupation Listed | 86 |
| 12 | oats | mary | F | 47 | Anglican | Irish | Ireland | No Occupation Listed | 86 |
| 21 | oats | mary | F | 4 | Anglican | Irish | Ireland | No Occupation Listed | 86 |
| 17 | oats | matilda | F | 13 | Anglican | Irish | Ireland | No Occupation Listed | 86 |
| 22 | oats | peter | M | 2 | Anglican | Irish | Ireland | No Occupation Listed | 86 |
| 14 | oats | thomas | M | 21 | Anglican | Irish | Ireland | Farmers, general and nfs | 86 |
| 20 | oconnell | annie | F | 28 | Roman Catholic | Irish | Ontario | No Occupation Listed | 209 |
| 21 | oconnell | bridget | F | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 209 |
| 16 | oconnell | john | M | 60 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 209 |
| 18 | oconnell | john | M | 24 | Roman Catholic | Irish | Ontario | Labourers nfs | 209 |
| 17 | oconnell | maget | F | 56 | Roman Catholic | Irish | Ireland | No Occupation Listed | 209 |
| 22 | oconnell | mary | F | 12 | Roman Catholic | Irish | Ontario | No Occupation Listed | 209 |
| 19 | oconnell | randel | M | 20 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 209 |
| 19 | odonald | andrew | M | 26 | Roman Catholic | Irish | Ontario | Servants nfs | 172 |