Residents of Kemptville, VL — Sub-district F, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 21 | oconnor | albert | M | 1 | Roman Catholic | Irish | Ontario | No Occupation Listed | 69 |
| 20 | oconnor | ann | F | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 69 |
| 17 | oconnor | arthur | M | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 69 |
| 16 | oconnor | catherine | F | 35 | Roman Catholic | Irish | Ontario | No Occupation Listed | 69 |
| 17 | oconnor | edward | M | 19 | Roman Catholic | Irish | Ontario | Labourers nfs | 128 |
| 13 | oconnor | felix | M | 27 | Roman Catholic | Irish | Ontario | Coopers etc. | 64 |
| 14 | oconnor | jane | F | 60 | Roman Catholic | Irish | Ireland | No Occupation Listed | 64 |
| 19 | oconnor | jane | F | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 69 |
| 18 | oconnor | margret | F | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 69 |
| 15 | oconnor | michael | M | 35 | Roman Catholic | Irish | Ontario | Coopers etc. | 69 |
| 25 | odair | anna | F | 1 | Roman Catholic | Irish | Ontario | No Occupation Listed | 54 |
| 18 | odair | barbara | F | 42 | Roman Catholic | Irish | Ontario | No Occupation Listed | 54 |
| 20 | odair | daniel | M | 18 | Roman Catholic | Irish | Ontario | No Occupation Listed | 54 |
| 17 | odair | edward | M | 44 | Roman Catholic | Irish | Ontario | Boot and shoemakers and repairers | 54 |
| 24 | odair | edward | M | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 54 |
| 23 | odair | ellen | F | 10 | Roman Catholic | Irish | Ontario | No Occupation Listed | 54 |
| 21 | odair | mary | F | 15 | Roman Catholic | Irish | Ontario | No Occupation Listed | 54 |
| 22 | odair | sarah | F | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 54 |
| 19 | odair | william | M | 20 | Roman Catholic | Irish | Ontario | Machinists | 54 |
| 20 | oniel | anna | F | 1 | Roman Catholic | Irish | Ontario | No Occupation Listed | 65 |
| 19 | oniel | charles | M | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 65 |
| 15 | oniel | john | M | 42 | Roman Catholic | Irish | Ontario | No Occupation Listed | 65 |
| 16 | oniel | mary | F | 39 | Roman Catholic | Irish | Ontario | No Occupation Listed | 65 |
| 18 | oniel | mary | F | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 65 |
| 17 | oniel | nora | F | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 65 |