Residents of Nicola, O’Kanagan — Sub-district C, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 14 | okeef | charles | M | 2 | Roman Catholic | Irish | British Columbia | No Occupation Listed | 71 |
| 12 | okeef | cornelius | M | 40 | Roman Catholic | Irish | Canada | Livestock farmers | 71 |
| 13 | okeef | mary | F | 28 | Roman Catholic | Irish | Canada | No Occupation Listed | 71 |
| 15 | okeef | mary | F | 1 | Roman Catholic | Irish | British Columbia | No Occupation Listed | 71 |
| 5 | omara | james | M | 23 | Roman Catholic | Irish | Ireland | Labourers nfs | 141 |
| 1 | orourk | edward | M | 28 | Roman Catholic | Irish | Canada | Labourers nfs | 15 |
| 2 | orourk | richard | M | 22 | Roman Catholic | Irish | Canada | Blacksmiths | 15 |
| 25 | ortolan | clement | M | 18 | Roman Catholic | French | British Columbia | Farmers, general and nfs | 101 |
| 2 | ortolan | eli | M | 14 | Roman Catholic | French | British Columbia | Farmers, general and nfs | 101 |
| 24 | ortolan | francois | M | 59 | Roman Catholic | French | France | Farmers, general and nfs | 101 |
| 1 | ortolan | joseph | M | 16 | Roman Catholic | French | British Columbia | Farmers, general and nfs | 101 |