Residents of Houghton — Sub-district A, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 10 | oneal | charles | M | 13 | Baptist | Canadian | Ontario | No Occupation Listed | 4 |
| 11 | oneal | walter | M | 38 | Baptist | American | Ontario | No Occupation Listed | 4 |
| 8 | osborne | a | M | 54 | Anglican | English | England | Farmers, general and nfs | 31 |
| 10 | osborne | arthur | M | 12 | Anglican | English | Ontario | No Occupation Listed | 31 |
| 9 | osborne | mary | F | 45 | Anglican | English | Ontario | No Occupation Listed | 31 |
| 13 | ostrander | andrew | M | 52 | Methodist | Blank | Ontario | Farmers, general and nfs | 53 |
| 16 | ostrander | asa | M | 13 | Methodist | Blank | Ontario | No Occupation Listed | 53 |
| 17 | ostrander | elmer | M | 12 | Methodist | Blank | Ontario | No Occupation Listed | 53 |
| 15 | ostrander | emma | F | 15 | Methodist | Blank | Ontario | No Occupation Listed | 53 |
| 18 | ostrander | mary | F | 10 | Methodist | Blank | Ontario | No Occupation Listed | 53 |
| 14 | ostrander | rebecca | F | 42 | Methodist | Blank | Ontario | No Occupation Listed | 53 |
| 3 | ostrosser | edwin | M | 26 | Methodist | Blank | Ontario | Farmers, general and nfs | 106 |
| 5 | ostrosser | hannah | F | 15 | Methodist | Blank | Ontario | No Occupation Listed | 106 |
| 8 | ostrosser | henry | M | 23 | Methodist | Blank | Ontario | Teachers (unspecified) | 107 |
| 6 | ostrosser | martha | F | 11 | Methodist | Blank | Ontario | No Occupation Listed | 106 |
| 2 | ostrosser | melicent | F | 50 | Methodist | English | England | No Occupation Listed | 106 |
| 9 | ostrosser | minnie | F | 19 | | Blank | — | No Occupation Listed | 107 |
| 1 | ostrosser | peter | M | 57 | Methodist | Blank | Ontario | Farmers, general and nfs | 106 |
| 7 | ostrosser | wesley | M | 7 | Methodist | Blank | Ontario | No Occupation Listed | 106 |
| 4 | ostrosser | william | M | 18 | Methodist | Blank | Ontario | Farmers, general and nfs | 106 |
| 14 | otterson | alice | F | 9 | Methodist | Blank | Ontario | No Occupation Listed | 82 |
| 15 | otterson | arthur | M | 7 | Methodist | Blank | Ontario | No Occupation Listed | 82 |
| 16 | otterson | emma | F | 4 | Methodist | Blank | Ontario | No Occupation Listed | 82 |
| 13 | otterson | george | M | 13 | Methodist | Blank | Ontario | No Occupation Listed | 82 |
| 10 | otterson | james | M | 19 | Methodist | Blank | Ontario | Farmers, general and nfs | 82 |
| 11 | otterson | lillius | F | 17 | Methodist | Blank | Ontario | No Occupation Listed | 82 |
| 9 | otterson | mary | F | 39 | Methodist | Blank | Ontario | No Occupation Listed | 82 |
| 12 | otterson | matilda | F | 15 | Methodist | Blank | Ontario | No Occupation Listed | 82 |
| 8 | otterson | william | M | 49 | Anglican | Blank | Ontario | Farmers, general and nfs | 82 |