Residents of Grey — Sub-district G, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 25 | oakley | albeert | M | 15 | Presbyterian | English | Ontario | No Occupation Listed | 193 |
| 22 | oakley | gennett | F | 20 | Presbyterian | English | Ontario | No Occupation Listed | 193 |
| 20 | oakley | george | M | 25 | Presbyterian | English | Ontario | No Occupation Listed | 193 |
| 19 | oakley | georgina | F | 50 | Presbyterian | Scottish | Ontario | Farmers, general and nfs | 193 |
| 24 | oakley | isabella | F | 16 | Presbyterian | English | Ontario | No Occupation Listed | 193 |
| 23 | oakley | james | M | 18 | Presbyterian | English | Ontario | No Occupation Listed | 193 |
| 2 | oakley | jennett | F | 28 | Presbyterian | Scottish | Scotland | No Occupation Listed | 194 |
| 3 | oakley | jessie | F | 12 | Presbyterian | English | Ontario | No Occupation Listed | 194 |
| 1 | oakley | john | M | 26 | Presbyterian | English | Ontario | Labourers nfs | 194 |
| 4 | oakley | lillian | F | 4 | Presbyterian | English | Ontario | No Occupation Listed | 194 |
| 21 | oakley | william | M | 22 | Presbyterian | English | Ontario | No Occupation Listed | 193 |
| 22 | oliver | david | M | 7 | Presbyterian | Scottish | Ontario | No Occupation Listed | 244 |
| 12 | oliver | eliza | F | 22 | Methodist | English | Ontario | Dressmakers | 317 |
| 17 | oliver | francis | M | 51 | Presbyterian | Scottish | Scotland | Farmers, general and nfs | 244 |
| 4 | oliver | hannah | F | 37 | Presbyterian | Scottish | Ontario | No Occupation Listed | 313 |
| 24 | oliver | isabella | F | 0 | Presbyterian | Scottish | Ontario | No Occupation Listed | 244 |
| 1 | oliver | james | M | 62 | Presbyterian | Scottish | Scotland | Farmers, general and nfs | 313 |
| 18 | oliver | jane | F | 39 | Presbyterian | Scottish | Ontario | No Occupation Listed | 244 |
| 20 | oliver | jane | F | 11 | Presbyterian | Scottish | Ontario | No Occupation Listed | 244 |
| 21 | oliver | john | M | 9 | Presbyterian | Scottish | Ontario | No Occupation Listed | 244 |
| 5 | oliver | letty | F | 5 | Presbyterian | Scottish | Ontario | No Occupation Listed | 313 |
| 23 | oliver | maggie | F | 5 | Presbyterian | Scottish | Ontario | No Occupation Listed | 244 |
| 2 | oliver | mary | F | 65 | Presbyterian | Scottish | Scotland | No Occupation Listed | 313 |
| 19 | oliver | mary | F | 16 | Presbyterian | Scottish | Ontario | No Occupation Listed | 244 |
| 13 | oliver | mary | F | 18 | Methodist | English | Ontario | Dressmakers | 317 |
| 3 | oliver | walter | M | 40 | Presbyterian | Scottish | Scotland | No Occupation Listed | 313 |
| 19 | omes | elizabeth | F | 23 | Methodist | English | Ontario | Dressmakers | 149 |
| 25 | omes | emma | F | 9 | Methodist | English | Ontario | No Occupation Listed | 149 |
| 18 | omes | henry | M | 27 | Methodist | English | Ontario | No Occupation Listed | 149 |
| 24 | omes | joseph | M | 11 | Methodist | English | Ontario | No Occupation Listed | 149 |
| 21 | omes | maria | F | 19 | Methodist | English | Ontario | Teachers (unspecified) | 149 |
| 17 | omes | mary | F | 53 | Methodist | English | England | No Occupation Listed | 149 |
| 23 | omes | mary | F | 14 | Methodist | English | Ontario | No Occupation Listed | 149 |
| 16 | omes | samuel | M | 53 | Methodist | English | England | Carpenters | 149 |
| 22 | omes | samuel | M | 16 | Methodist | English | Ontario | No Occupation Listed | 149 |
| 20 | omes | sarah | F | 21 | Methodist | English | Ontario | Seamstress | 149 |
| 12 | osborn | alice | F | 6 | Primitive Methodist | English | Ontario | No Occupation Listed | 231 |
| 9 | osborn | john | M | 42 | Primitive Methodist | English | Ontario | Farmers, general and nfs | 231 |
| 10 | osborn | mary | F | 38 | Primitive Methodist | English | England | No Occupation Listed | 231 |
| 11 | osborn | thomas | M | 7 | Primitive Methodist | English | Ontario | No Occupation Listed | 231 |
| 22 | oster | fredrik | M | 3 | Methodist | German | Ontario | No Occupation Listed | 218 |
| 18 | oster | joseph | M | 34 | Methodist | German | Ontario | Farmers, general and nfs | 218 |
| 20 | oster | joseph | M | 7 | Methodist | German | Ontario | No Occupation Listed | 218 |
| 21 | oster | laura | F | 5 | Methodist | German | Ontario | No Occupation Listed | 218 |
| 19 | oster | mary | F | 32 | Methodist | Canadian | Ontario | No Occupation Listed | 218 |
| 7 | oughton | edith | F | 21 | Methodist | English | Ontario | No Occupation Listed | 208 |
| 6 | oughton | john | M | 26 | Methodist | Irish | Ireland | Farmers, general and nfs | 208 |
| 8 | oughton | mathew | M | 17 | Methodist | Irish | Ireland | No Occupation Listed | 208 |
| 8 | ouke | andrew | M | 76 | Presbyterian | Scottish | Scotland | Carpenters | 176 |
| 9 | ouke | ann | F | 73 | Presbyterian | Scottish | Scotland | No Occupation Listed | 176 |