Residents of Napanee, T-V — Sub-district G, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 23 | obrien | annie | F | 28 | Roman Catholic | Irish | Ontario | No Occupation Listed | 110 |
| 13 | obrien | elizabeth | F | 32 | Roman Catholic | Irish | Ontario | Dressmakers | 606 |
| 22 | obrien | james | M | 31 | Roman Catholic | Irish | Ireland | Boot and shoemakers and repairers | 110 |
| 12 | obrien | john | M | 28 | Roman Catholic | Irish | Ireland | Boot and shoemakers and repairers | 606 |
| 15 | obrien | john | M | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 606 |
| 14 | obrien | mabel | F | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 606 |
| 24 | obrien | margaret | F | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 110 |
| 2 | ohare | alida | F | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 669 |
| 24 | ohare | anne | F | 40 | Roman Catholic | Irish | Ireland | No Occupation Listed | 669 |
| 23 | ohare | george | M | 50 | Roman Catholic | Irish | Quebec | Cooks | 669 |
| 4 | ohare | george | M | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 669 |
| 3 | ohare | james | M | 12 | Roman Catholic | Irish | Ontario | No Occupation Listed | 669 |
| 1 | ohare | margaret | F | 17 | Roman Catholic | Irish | Ontario | Dressmakers | 669 |
| 25 | ohare | thomas | M | 18 | Roman Catholic | Irish | Ontario | Blacksmiths | 669 |
| 20 | oliver | adelia | F | 5 | Anglican | English | Ontario | No Occupation Listed | 361 |
| 19 | oliver | annie | F | 9 | Anglican | English | Ontario | No Occupation Listed | 361 |
| 5 | oliver | deborah | F | 59 | Episcopal Methodist | German | Ontario | No Occupation Listed | 592 |
| 18 | oliver | emeline | F | 28 | Anglican | English | Ontario | No Occupation Listed | 361 |
| 17 | oliver | william | M | 30 | Anglican | English | Ontario | Tinsmiths and Tinners and Tinkers | 361 |
| 23 | oneal | agnes | F | 26 | Anglican | Irish | Ontario | No Occupation Listed | 724 |
| 19 | oneal | ellen | F | 35 | Baptist | English | United States | No Occupation Listed | 723 |
| 25 | oneal | fanny | F | 22 | Anglican | Irish | Ontario | No Occupation Listed | 724 |
| 20 | oneal | felix | M | 81 | Roman Catholic | Irish | Ireland | No Occupation Listed | 724 |
| 22 | oneal | frank | M | 30 | Anglican | Irish | Ontario | Bartenders | 724 |
| 24 | oneal | lizzie | F | 24 | Anglican | Irish | Ontario | No Occupation Listed | 724 |
| 21 | oneal | mary | F | 66 | Anglican | Irish | Ireland | No Occupation Listed | 724 |
| 18 | oneal | thomas | M | 31 | Roman Catholic | Irish | Ontario | Tailors and tailoresses | 723 |
| 14 | oneil | florence | F | 6 | Anglican | Irish | Ontario | No Occupation Listed | 756 |
| 15 | oneil | frank | M | 4 | Anglican | Irish | Ontario | No Occupation Listed | 756 |
| 13 | oneil | grace | F | 9 | Anglican | Irish | Ontario | No Occupation Listed | 756 |
| 10 | oneil | james | M | 33 | Anglican | Irish | Ontario | Other specified servants | 756 |
| 16 | oneil | james | M | 1 | Anglican | Irish | Ontario | No Occupation Listed | 756 |
| 11 | oneil | martha | F | 31 | Anglican | Irish | Ontario | No Occupation Listed | 756 |
| 12 | oneil | martha | F | 15 | Anglican | Irish | Ontario | No Occupation Listed | 756 |
| 19 | orr | charles | M | 0 | Episcopal Methodist | Scottish | Ontario | No Occupation Listed | 241 |
| 16 | orr | robert | M | 34 | Episcopal Methodist | Scottish | Ontario | Bartenders | 241 |
| 18 | orr | robert | M | 8 | Episcopal Methodist | Scottish | Ontario | No Occupation Listed | 241 |
| 17 | orr | rosanna | F | 22 | Episcopal Methodist | Scottish | Ontario | No Occupation Listed | 241 |
| 11 | osborne | alexander | M | 45 | Methodist | Scottish | Ontario | Teachers (unspecified) | 432 |
| 7 | osborne | catherine | F | 38 | Episcopal Methodist | English | England | No Occupation Listed | 605 |
| 9 | osborne | clara | F | 15 | Episcopal Methodist | English | England | No Occupation Listed | 605 |
| 17 | osborne | ernest | M | 5 | Methodist | Scottish | Ontario | No Occupation Listed | 432 |
| 15 | osborne | george | M | 14 | Methodist | Scottish | Ontario | Painters, nfs | 432 |
| 14 | osborne | henry | M | 16 | Methodist | Scottish | Ontario | cat finisher | 432 |
| 8 | osborne | henry | M | 19 | Episcopal Methodist | English | England | Blacksmiths | 605 |
| 16 | osborne | herbert | M | 12 | Methodist | Scottish | Ontario | No Occupation Listed | 432 |
| 13 | osborne | james | M | 18 | Methodist | Scottish | Ontario | Printers nfs | 432 |
| 12 | osborne | jane | F | 40 | Methodist | English | England | No Occupation Listed | 432 |
| 6 | osborne | joseph | M | 40 | Episcopal Methodist | English | England | Pedlars and hawkers | 605 |
| 10 | osborne | joseph | M | 9 | Episcopal Methodist | English | England | No Occupation Listed | 605 |
| 11 | osborne | stewart | M | 5 | Episcopal Methodist | English | England | No Occupation Listed | 605 |
| 19 | outwaters | ada | F | 14 | Episcopal Methodist | English | Ontario | brush factory | 599 |
| 17 | outwaters | adelia | F | 40 | Episcopal Methodist | English | Ontario | No Occupation Listed | 599 |
| 20 | outwaters | amy | F | 14 | Episcopal Methodist | English | Ontario | brush factory | 599 |
| 16 | outwaters | benjamin | M | 46 | Episcopal Methodist | English | Ontario | Blacksmiths | 599 |
| 18 | outwaters | elizabeth | F | 16 | Episcopal Methodist | English | Ontario | brush factory | 599 |
| 18 | outwaters | emma | F | 55 | Anglican | English | England | No Occupation Listed | 312 |
| 1 | outwaters | ethel | F | 1 | Episcopal Methodist | English | Ontario | No Occupation Listed | 599 |
| 25 | outwaters | frederick | M | 4 | Episcopal Methodist | English | Ontario | No Occupation Listed | 599 |
| 17 | outwaters | john | M | 72 | Anglican | English | Ontario | Farmers, general and nfs | 312 |
| 24 | outwaters | mabel | F | 7 | Episcopal Methodist | English | Ontario | No Occupation Listed | 599 |
| 21 | outwaters | maud | F | 12 | Episcopal Methodist | English | Ontario | No Occupation Listed | 599 |
| 22 | outwaters | morgan | M | 11 | Episcopal Methodist | English | Ontario | No Occupation Listed | 599 |
| 23 | outwaters | nellie | F | 8 | Episcopal Methodist | English | Ontario | No Occupation Listed | 599 |