Residents of Oxford N — Sub-district I, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 1 | oharrah | danniel | M | 60 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 55 |
| 24 | oliver | andrew | M | 15 | Presbyterian | Scottish | Ontario | No Occupation Listed | 34 |
| 2 | oliver | andrew | M | 76 | Presbyterian | Scottish | Scotland | No Occupation Listed | 35 |
| 23 | oliver | cornelia | F | 33 | Presbyterian | English | Ontario | No Occupation Listed | 34 |
| 1 | oliver | cornelia | F | 1 | Presbyterian | Scottish | Ontario | No Occupation Listed | 34 |
| 25 | oliver | edward | M | 12 | Presbyterian | Scottish | Ontario | No Occupation Listed | 34 |
| 22 | oliver | robert | M | 43 | Presbyterian | Scottish | Scotland | Farmers, general and nfs | 34 |
| 2 | omeara | allice | F | 48 | Roman Catholic | Irish | Ireland | No Occupation Listed | 55 |
| 5 | omeara | bridget | F | 19 | Roman Catholic | Irish | Ontario | No Occupation Listed | 55 |
| 4 | omeara | catherine | F | 22 | Roman Catholic | Irish | Ontario | No Occupation Listed | 55 |
| 7 | omeara | danniel | M | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 55 |
| 9 | omeara | john | M | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 55 |
| 8 | omeara | joseph | M | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 55 |
| 6 | omeara | mary | F | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 55 |
| 3 | omeara | thomas | M | 25 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 55 |
| 4 | ovens | sarah | F | 23 | Methodist | Irish | Ontario | No Occupation Listed | 84 |
| 3 | ovens | thomas | M | 30 | Methodist | Irish | Ontario | No Occupation Listed | 84 |