Residents of Plantagenet S — Sub-district I, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 18 | obyrne | anmie | F | 21 | Roman Catholic | Irish | Ontario | No Occupation Listed | 220 |
| 23 | obyrne | arthur | M | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 220 |
| 22 | obyrne | edith | F | 2 | Roman Catholic | Irish | Ontario | No Occupation Listed | 220 |
| 21 | obyrne | isebella | F | 23 | Roman Catholic | Irish | Ontario | No Occupation Listed | 220 |
| 17 | obyrne | john | M | 32 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 220 |
| 20 | obyrne | margret | F | 62 | Methodist | Irish | Ireland | No Occupation Listed | 220 |
| 19 | obyrne | thomas | M | 62 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 220 |
| 6 | orourke | cathrine | F | 24 | Roman Catholic | Irish | Ontario | No Occupation Listed | 38 |
| 11 | orourke | charles | M | 14 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 38 |
| 3 | orourke | ellen | F | 53 | Roman Catholic | Irish | Ontario | Female farmer | 38 |
| 8 | orourke | jacob | M | 20 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 38 |
| 5 | orourke | john | M | 26 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 38 |
| 4 | orourke | margret | F | 30 | Roman Catholic | Irish | Ontario | No Occupation Listed | 38 |
| 7 | orourke | martin | M | 22 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 38 |
| 10 | orourke | mourise | M | 16 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 38 |
| 9 | orourke | simon | M | 18 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 38 |