Residents of Oxford — Sub-district E, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 25 | oakes | catharine | F | 74 | Anglican | Irish | Ireland | No Occupation Listed | 103 |
| 24 | oakes | thomas | M | 73 | Anglican | Irish | Ireland | Farmers, general and nfs | 103 |
| 8 | obrine | anna | F | 2 | Roman Catholic | Irish | Ontario | No Occupation Listed | 195 |
| 1 | obrine | daniel | M | 22 | Roman Catholic | Irish | Ontario | Labourers nfs | 195 |
| 6 | obrine | edward | M | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 195 |
| 8 | obrine | elizabeth | F | 27 | Roman Catholic | Irish | Quebec | No Occupation Listed | 167 |
| 2 | obrine | james | M | 20 | Roman Catholic | Irish | Ontario | Labourers nfs | 195 |
| 25 | obrine | jane | F | 47 | Roman Catholic | Irish | Ontario | No Occupation Listed | 195 |
| 7 | obrine | john | M | 69 | Roman Catholic | Irish | Ireland | Coopers etc. | 167 |
| 24 | obrine | john | M | 50 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 195 |
| 3 | obrine | john | M | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 195 |
| 9 | obrine | jonna | M | 25 | Roman Catholic | Irish | Ontario | No Occupation Listed | 167 |
| 7 | obrine | noro | F | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 195 |
| 5 | obrine | patrick | M | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 195 |
| 4 | obrine | rosey | F | 15 | Roman Catholic | Irish | Ontario | No Occupation Listed | 195 |
| 10 | obrine | william | M | 35 | Roman Catholic | Irish | Ireland | No Occupation Listed | 167 |
| 17 | ocannor | agnes | F | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 4 |
| 14 | ocannor | bridget | F | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 4 |
| 11 | ocannor | catherine | F | 35 | Roman Catholic | Irish | Ontario | No Occupation Listed | 4 |
| 12 | ocannor | daniel | M | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 4 |
| 10 | ocannor | john | M | 41 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 4 |
| 16 | ocannor | julia | F | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 4 |
| 15 | ocannor | mary | F | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 4 |
| 13 | ocannor | william | M | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 4 |
| 7 | odair | julia | F | 38 | Roman Catholic | Irish | Ireland | No Occupation Listed | 7 |
| 6 | odair | william | M | 39 | Roman Catholic | Irish | Ontario | No Occupation Listed | 7 |
| 8 | odair | william | M | 12 | Roman Catholic | Irish | Ontario | No Occupation Listed | 7 |
| 12 | ohara | daniel | M | 23 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 210 |
| 11 | ohara | felix | M | 25 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 210 |
| 10 | ohara | mary | F | 40 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 209 |
| 13 | ohara | mary | F | 20 | Roman Catholic | Irish | Ontario | No Occupation Listed | 210 |
| 10 | ohora | james | M | 70 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 18 |
| 12 | okeef | sarah | F | 69 | Roman Catholic | Irish | Ireland | No Occupation Listed | 44 |
| 13 | okeef | thomas | M | 24 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 44 |
| 11 | okora | mary | F | 53 | Roman Catholic | Irish | Ireland | No Occupation Listed | 18 |
| 13 | oneil | bridget | F | 15 | Roman Catholic | Irish | Ontario | No Occupation Listed | 84 |
| 17 | oneil | charles | M | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 84 |
| 12 | oneil | elizabeth | F | 37 | Roman Catholic | Irish | Ontario | No Occupation Listed | 84 |
| 11 | oneil | john | M | 47 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 84 |
| 15 | oneil | mary | F | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 84 |
| 16 | oneil | mchael | M | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 84 |
| 18 | oneil | sarah | F | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 84 |
| 14 | oneil | william | M | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 84 |
| 23 | otool | angela | F | 9 | Roman Catholic | French | Ontario | No Occupation Listed | 138 |
| 1 | otool | augustin | M | 4 | Roman Catholic | French | Ontario | No Occupation Listed | 138 |
| 3 | otool | florince | F | 0 | Roman Catholic | French | Ontario | No Occupation Listed | 138 |
| 21 | otool | james | M | 51 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 138 |
| 2 | otool | jeneva | F | 1 | Roman Catholic | French | Ontario | No Occupation Listed | 138 |
| 24 | otool | mary | F | 7 | Roman Catholic | French | Ontario | No Occupation Listed | 138 |
| 22 | otool | moriah | F | 31 | Roman Catholic | French | Ontario | No Occupation Listed | 138 |
| 25 | otool | william | M | 6 | Roman Catholic | French | Ontario | No Occupation Listed | 138 |