Residents of Downie — Sub-district D, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 6 | oconnor | david | M | 40 | Roman Catholic | Irish | Nova Scotia | Farmers, general and nfs | 2 |
| 17 | oconnor | marey | F | 62 | Roman Catholic | Irish | Ireland | No Occupation Listed | 16 |
| 7 | oconnor | mary | F | 45 | Roman Catholic | Irish | Ireland | No Occupation Listed | 2 |
| 22 | ogelvie | emaline | F | 12 | | Blank | Ontario | No Occupation Listed | 169 |
| 15 | ogelvie | james | M | 70 | Episcopal Methodist | English | England | Farmers, general and nfs | 169 |
| 18 | ogelvie | james | M | 25 | | Blank | Ontario | Farmers, general and nfs | 169 |
| 21 | ogelvie | margret | F | 15 | | Blank | Ontario | No Occupation Listed | 169 |
| 20 | ogelvie | marry | F | 18 | | Blank | Ontario | No Occupation Listed | 169 |
| 17 | ogelvie | richard | M | 31 | | Blank | Ontario | No Occupation Listed | 169 |
| 16 | ogelvie | susanna | F | 52 | | Blank | Ontario | No Occupation Listed | 169 |
| 23 | ogelvie | thomas | M | 8 | | Blank | Ontario | No Occupation Listed | 169 |
| 24 | ogelvie | thomas | M | 5 | | Blank | Ontario | No Occupation Listed | 169 |
| 19 | ogelvie | william | M | 20 | | Blank | Ontario | No Occupation Listed | 169 |
| 2 | ogilvy | sophia | F | 23 | Presbyterian | Irish | Ontario | No Occupation Listed | 174 |
| 1 | ogilvy | william | M | 25 | Reformed Presbyterian | Scottish | Ontario | Farmers, general and nfs | 174 |
| 12 | olaver | adam | M | 63 | Reformed Presbyterian | Scottish | Scotland | Farmers, general and nfs | 105 |
| 17 | olaver | grace | F | 22 | | Blank | Ontario | No Occupation Listed | 105 |
| 18 | olaver | isabela | F | 20 | | Blank | Ontario | No Occupation Listed | 105 |
| 16 | olaver | jean | F | 24 | | Blank | Ontario | No Occupation Listed | 105 |
| 15 | olaver | marriam | F | 26 | | Blank | Ontario | Teachers (unspecified) | 105 |
| 13 | olaver | marrion | F | 62 | | Blank | — | No Occupation Listed | 105 |
| 14 | olaver | william | M | 32 | | Blank | Ontario | No Occupation Listed | 105 |
| 1 | olever | adam | M | 32 | Reformed Presbyterian | Scottish | Ontario | Farmers, general and nfs | 107 |
| 5 | olever | elison | F | 1 | | Blank | Ontario | No Occupation Listed | 107 |
| 2 | olever | grace | F | 30 | | Scottish | Scotland | No Occupation Listed | 107 |
| 3 | olever | nelson | M | 5 | | Blank | Ontario | No Occupation Listed | 107 |
| 4 | olever | robert | M | 3 | | Blank | Ontario | No Occupation Listed | 107 |
| 8 | oliver | jenis | F | 26 | | Blank | Ontario | No Occupation Listed | 72 |
| 7 | oliver | john | M | 30 | Reformed Presbyterian | Scottish | Ontario | Farmers, general and nfs | 72 |
| 8 | oneill | hugh | M | 24 | Roman Catholic | Irish | Ontario | No Occupation Listed | 215 |
| 7 | oneill | isabella | F | 26 | Roman Catholic | Irish | Ontario | No Occupation Listed | 215 |
| 6 | oneill | mary | F | 59 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 215 |
| 9 | oneill | mathew | M | 21 | Roman Catholic | Irish | Ontario | No Occupation Listed | 215 |