Residents of Cornwall — Sub-district D, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 8 | ogle | cathrin | F | 28 | Roman Catholic | Irish | Ontario | No Occupation Listed | 134 |
| 6 | ogle | ellen | F | 65 | Roman Catholic | Irish | Ireland | No Occupation Listed | 134 |
| 9 | ogle | francis | M | 24 | Roman Catholic | Irish | Ontario | No Occupation Listed | 134 |
| 22 | ogle | george | M | 2 | Roman Catholic | Irish | Ontario | No Occupation Listed | 77 |
| 7 | ogle | george | M | 37 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 134 |
| 17 | ogle | george | M | 10 | Anglican | Irish | Ontario | No Occupation Listed | 227 |
| 13 | ogle | james | M | 52 | Anglican | Irish | Ireland | Farmers, general and nfs | 227 |
| 22 | ogle | jane | F | 27 | Anglican | Dutch | Ontario | Labourers nfs | 129 |
| 23 | ogle | jane | F | 7 | Anglican | Irish | Ontario | No Occupation Listed | 129 |
| 21 | ogle | john | M | 30 | Anglican | Irish | Ontario | Labourers nfs | 129 |
| 24 | ogle | mary | F | 4 | Anglican | Irish | Ontario | No Occupation Listed | 129 |
| 14 | ogle | matilda | F | 47 | Anglican | Irish | Ireland | No Occupation Listed | 227 |
| 20 | ogle | patrick | M | 33 | Roman Catholic | Irish | Ontario | Boot and shoemakers and repairers | 77 |
| 21 | ogle | sarah | F | 24 | Roman Catholic | Irish | Ontario | No Occupation Listed | 77 |
| 15 | ogle | serah | F | 23 | Anglican | Irish | Ontario | No Occupation Listed | 227 |
| 25 | ogle | william | M | 3 | Anglican | Irish | Ontario | No Occupation Listed | 129 |
| 16 | ogle | william | M | 21 | Anglican | Irish | Ontario | Farmers, general and nfs | 227 |
| 4 | okeeff | brdget | F | 50 | Roman Catholic | Irish | Ireland | No Occupation Listed | 4 |
| 6 | okeeff | corneleous | M | 25 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 4 |
| 8 | okeeff | edward | M | 21 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 4 |
| 5 | okeeff | james | M | 30 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 4 |
| 7 | okeeff | john | M | 23 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 4 |
| 10 | okeeff | lizzie | F | 17 | Roman Catholic | Irish | Ontario | No Occupation Listed | 4 |
| 9 | okeeff | maggie | F | 10 | Roman Catholic | Irish | Ontario | No Occupation Listed | 4 |
| 11 | okeeff | morrier | M | 15 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 4 |
| 12 | okeeff | owen | M | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 4 |
| 3 | okeeff | patrick | M | 56 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 4 |
| 21 | oleary | cornelius | M | 46 | Roman Catholic | Irish | Newfoundland | Farmers, general and nfs | 40 |
| 22 | oleary | elizabeth | F | 33 | Roman Catholic | Irish | Ontario | No Occupation Listed | 51 |
| 22 | oleary | mary | F | 30 | Roman Catholic | Irish | United States | No Occupation Listed | 40 |
| 23 | oleary | mary | F | 19 | Roman Catholic | Irish | United States | Tailors and tailoresses | 40 |
| 23 | oleary | mary | F | 72 | Roman Catholic | Irish | Ireland | No Occupation Listed | 51 |
| 21 | oleary | mortimore | M | 38 | Roman Catholic | Irish | United States | Farmers, general and nfs | 51 |
| 20 | osborne | beatrice | F | 6 | Anglican | English | Quebec | No Occupation Listed | 16 |
| 19 | osborne | elizabeth | F | 40 | Anglican | English | England | No Occupation Listed | 16 |
| 18 | osborne | john | M | 45 | Anglican | English | England | Gardeners nfs | 16 |
| 15 | ostlar | alan | M | 24 | Roman Catholic | French | Ontario | river drivers | 49 |
| 20 | ostlar | alexander | M | 8 | Roman Catholic | French | Ontario | No Occupation Listed | 49 |
| 14 | ostlar | jane | F | 56 | Roman Catholic | French | Quebec | No Occupation Listed | 49 |
| 16 | ostlar | john | M | 20 | Roman Catholic | French | Ontario | river drivers | 49 |
| 19 | ostlar | maggie | F | 11 | Roman Catholic | French | Ontario | No Occupation Listed | 49 |
| 13 | ostlar | paul | M | 57 | Roman Catholic | French | Quebec | river drivers | 49 |
| 17 | ostlar | paul | M | 19 | Roman Catholic | French | Ontario | river drivers | 49 |
| 18 | ostlar | sarah | F | 15 | Roman Catholic | French | Ontario | No Occupation Listed | 49 |