Residents of Harriston, T-V — Sub-district C, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 10 | odonald | mary | F | 21 | Roman Catholic | Irish | Ontario | Servants nfs | 51 |
| 23 | omearo | charles | M | 34 | Anglican | Irish | Ontario | Railway agents (US) and clerks | 163 |
| 24 | omearo | ellen | F | 36 | Anglican | English | Ontario | No Occupation Listed | 163 |
| 3 | omearo | flaronce | F | 5 | Anglican | Irish | Ontario | No Occupation Listed | 163 |
| 2 | omearo | francies | M | 10 | Anglican | Irish | Ontario | No Occupation Listed | 163 |
| 1 | omearo | fredrick | M | 12 | Anglican | Irish | Ontario | No Occupation Listed | 163 |