Residents of Ridgetown, Village — Sub-district I, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 19 | oloone | daniel | M | 43 | Methodist | Irish | Ontario | Blacksmiths | 100 |
| 20 | oloone | emma | F | 36 | Methodist | Irish | Ontario | No Occupation Listed | 100 |
| 25 | oloone | howard | M | 7 | Methodist | Irish | Ontario | No Occupation Listed | 100 |
| 22 | oloone | james | M | 14 | Methodist | Irish | Ontario | No Occupation Listed | 100 |
| 21 | oloone | martha | F | 17 | Methodist | Irish | Ontario | No Occupation Listed | 100 |
| 23 | oloone | rueben | M | 12 | Methodist | Irish | Ontario | No Occupation Listed | 100 |
| 24 | oloone | william | M | 10 | Methodist | Irish | Ontario | No Occupation Listed | 100 |
| 20 | oneill | allice | F | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 3 |
| 12 | oneill | doratha | F | 48 | Roman Catholic | Irish | Ireland | No Occupation Listed | 3 |
| 19 | oneill | doratha | F | 15 | Roman Catholic | Irish | Ontario | No Occupation Listed | 3 |
| 14 | oneill | ellen | F | 26 | Roman Catholic | Irish | Ontario | No Occupation Listed | 3 |
| 21 | oneill | joseph | M | 10 | Roman Catholic | Irish | Ontario | No Occupation Listed | 3 |
| 13 | oneill | margret | F | 28 | Roman Catholic | Irish | Ontario | No Occupation Listed | 3 |
| 17 | oneill | miachel | M | 18 | Roman Catholic | Irish | Ontario | No Occupation Listed | 3 |
| 22 | oneill | minne | F | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 3 |
| 15 | oneill | moriah | F | 24 | Roman Catholic | Irish | Ontario | No Occupation Listed | 3 |
| 11 | oneill | patrick | M | 71 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 3 |
| 16 | oneill | sarah | F | 20 | Roman Catholic | Irish | Ontario | No Occupation Listed | 3 |
| 18 | oneill | william | M | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 3 |
| 14 | orndoff | arthur | M | 5 | Roman Catholic | French | Ontario | No Occupation Listed | 241 |
| 10 | orndoff | charles | M | 17 | Roman Catholic | French | Ontario | No Occupation Listed | 241 |
| 13 | orndoff | clinton | M | 10 | Roman Catholic | French | Ontario | No Occupation Listed | 241 |
| 11 | orndoff | edward | M | 14 | Roman Catholic | French | Ontario | No Occupation Listed | 241 |
| 9 | orndoff | geo | M | 18 | Roman Catholic | French | United States | No Occupation Listed | 241 |
| 7 | orndoff | hannah | F | 41 | Roman Catholic | Irish | United States | No Occupation Listed | 241 |
| 12 | orndoff | louis | M | 12 | Roman Catholic | French | Ontario | No Occupation Listed | 241 |
| 8 | orndoff | neoma | F | 20 | Roman Catholic | French | United States | No Occupation Listed | 241 |
| 6 | orndoff | p | M | 47 | Roman Catholic | French | United States | Carpenters | 241 |
| 15 | orndoff | purlia | F | 3 | Roman Catholic | French | Ontario | No Occupation Listed | 241 |
| 20 | owens | charles | M | 28 | Episcopal Methodist | English | Ontario | Cartwrights and wheelwrights | 286 |
| 21 | owens | ellen | F | 22 | Episcopal Methodist | English | Ontario | No Occupation Listed | 286 |