Residents of Kingston — Sub-district A, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 21 | _oid | ashetor | M | 4 | | Blank | Ontario | No Occupation Listed | 220 |
| 22 | _oid | lena | F | 2 | | Blank | Ontario | No Occupation Listed | 220 |
| 20 | _oid | mary | F | 26 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 220 |
| 19 | _oid | robert | M | 25 | Wesleyan Methodist | Irish | Ontario | Telegraph operators | 220 |
| 18 | obrine | james | M | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 108 |
| 5 | obrine | marey | F | 19 | Roman Catholic | Irish | Ontario | Servants nfs | 49 |
| 13 | obrine | mary | F | 70 | Roman Catholic | Irish | Ireland | No Occupation Listed | 73 |
| 12 | obrine | thomas | M | 66 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 73 |
| 10 | omara | bridget | F | 49 | Roman Catholic | Irish | Ontario | No Occupation Listed | 123 |
| 12 | omara | ellen | F | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 123 |
| 11 | omara | john | M | 18 | Roman Catholic | Irish | Ontario | No Occupation Listed | 123 |
| 9 | omara | michael | M | 57 | Roman Catholic | Irish | Ireland | Blacksmiths | 123 |
| 13 | omara | thomas | M | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 123 |
| 23 | orans | aney | F | 7 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 69 |
| 22 | orans | davit | M | 11 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 69 |
| 20 | orans | elexander | M | 13 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 69 |
| 16 | orans | elisa | F | 44 | Wesleyan Methodist | Irish | Ireland | No Occupation Listed | 69 |
| 21 | orans | heneray | M | 12 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 69 |
| 15 | orans | james | M | 52 | Wesleyan Methodist | Irish | Ireland | Farmers, general and nfs | 69 |
| 17 | orans | james | M | 18 | Wesleyan Methodist | Irish | Ontario | Farmers, general and nfs | 69 |
| 19 | orans | john | M | 16 | Wesleyan Methodist | Irish | Ontario | Farmers, general and nfs | 69 |
| 18 | orans | marey | F | 20 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 69 |
| 12 | orley | catherine | F | 40 | Episcopal Methodist | English | England | No Occupation Listed | 49 |
| 8 | orr | jane | F | 50 | Presbyterian | Irish | Ireland | No Occupation Listed | 176 |
| 7 | orr | john | M | 50 | Presbyterian | Irish | Ireland | Matrons | 176 |
| 9 | orr | john | M | 23 | Presbyterian | Irish | Ontario | Labourers nfs | 176 |
| 14 | orr | thomas | M | 14 | Methodist | Scottish | Scotland | river drivers | 20 |
| 1 | orser | arthur | M | 55 | Wesleyan Methodist | Dutch | Ontario | river drivers | 97 |
| 4 | orser | catherine | F | 10 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 97 |
| 22 | orser | harold | M | 7 | Methodist | Irish | Ontario | No Occupation Listed | 81 |
| 21 | orser | herbert | M | 16 | Methodist | Irish | Ontario | Farmers, general and nfs | 81 |
| 3 | orser | isaac | M | 24 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 97 |
| 2 | orser | matilda | F | 45 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 97 |
| 20 | orser | peter | M | 83 | Methodist | Irish | Ontario | Farmers, general and nfs | 81 |
| 19 | orser | theresa | F | 38 | Methodist | Irish | Ontario | No Occupation Listed | 81 |
| 18 | orser | thomas | M | 48 | Methodist | Irish | Ontario | Farmers, general and nfs | 81 |
| 5 | orser | thos | M | 9 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 97 |
| 6 | osborn | margret | F | 18 | Primitive Methodist | German | Ontario | No Occupation Listed | 32 |
| 23 | oser | candice | F | 12 | Primitive Methodist | Irish | Ontario | No Occupation Listed | 42 |
| 17 | oser | emmanuill | M | 61 | Primitive Methodist | Irish | Ontario | Farmers, general and nfs | 42 |
| 20 | oser | kennith | M | 23 | Primitive Methodist | Irish | Ontario | Farmers, general and nfs | 42 |
| 21 | oser | lorisse | F | 18 | Primitive Methodist | Irish | Ontario | No Occupation Listed | 42 |
| 19 | oser | manual | M | 27 | Primitive Methodist | Irish | Ontario | Farmers, general and nfs | 42 |
| 18 | oser | mrier | F | 57 | Primitive Methodist | Irish | Ontario | No Occupation Listed | 42 |
| 22 | oser | newton | M | 15 | Primitive Methodist | Irish | Ontario | Farmers, general and nfs | 42 |