Residents of Hallowel — Sub-district I, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 3 | oconnor | bridget | F | 55 | Roman Catholic | Irish | Ireland | No Occupation Listed | 49 |
| 18 | ohagan | annie | F | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 81 |
| 17 | ohagan | henry | M | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 81 |
| 12 | ohagan | jane | F | 53 | Roman Catholic | Irish | Ireland | No Occupation Listed | 81 |
| 16 | ohagan | may | F | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 81 |
| 11 | ohagan | robert | M | 56 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 81 |
| 14 | ohagan | robert | M | 19 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 81 |
| 13 | ohagan | susan | F | 22 | Roman Catholic | Irish | Ontario | No Occupation Listed | 81 |
| 15 | ohagan | william | M | 18 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 81 |
| 24 | olarey | bridget | F | 65 | Roman Catholic | Irish | Ireland | No Occupation Listed | 89 |
| 25 | olarey | ellen | F | 25 | Roman Catholic | Irish | Ontario | No Occupation Listed | 89 |
| 23 | olarey | frances | M | 70 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 89 |
| 1 | orser | almira | F | 21 | Episcopal Methodist | German | Ontario | No Occupation Listed | 220 |
| 13 | orser | amelia | F | 44 | Episcopal Methodist | German | Ontario | No Occupation Listed | 224 |
| 17 | orser | deborah | F | 76 | Episcopal Methodist | German | United States | No Occupation Listed | 225 |
| 16 | orser | eastman | M | 4 | Episcopal Methodist | German | Ontario | No Occupation Listed | 115 |
| 11 | orser | elephlat | M | 10 | Invalid Value | Blank | Ontario | No Occupation Listed | 210 |
| 25 | orser | elijah | M | 49 | Episcopal Methodist | German | Ontario | Farmers, general and nfs | 220 |
| 16 | orser | elijah | M | 85 | Episcopal Methodist | German | Ontario | No Occupation Listed | 225 |
| 13 | orser | emma | F | 36 | Episcopal Methodist | English | Ontario | No Occupation Listed | 115 |
| 15 | orser | emma | F | 12 | Episcopal Methodist | German | Ontario | No Occupation Listed | 224 |
| 14 | orser | everett | M | 16 | Episcopal Methodist | German | Ontario | No Occupation Listed | 115 |
| 4 | orser | henry | M | 60 | Episcopal Methodist | German | Ontario | Farmers, general and nfs | 243 |
| 6 | orser | hester | F | 23 | Episcopal Methodist | German | Ontario | No Occupation Listed | 243 |
| 12 | orser | john | M | 39 | Episcopal Methodist | German | Ontario | Farmers, general and nfs | 115 |
| 8 | orser | john | M | 19 | Episcopal Methodist | German | Ontario | Farmers, general and nfs | 243 |
| 4 | orser | lana | F | 84 | Quaker/Society of Friends | German | Ontario | No Occupation Listed | 2 |
| 23 | orser | lema | F | 84 | Anglican | English | United States | No Occupation Listed | 104 |
| 15 | orser | lillian | F | 6 | Episcopal Methodist | German | Ontario | No Occupation Listed | 115 |
| 23 | orser | lucy | F | 36 | Episcopal Methodist | English | Ontario | No Occupation Listed | 208 |
| 24 | orser | lydia | F | 72 | Episcopal Methodist | German | Ontario | No Occupation Listed | 220 |
| 14 | orser | manson | M | 21 | Episcopal Methodist | German | Ontario | No Occupation Listed | 224 |
| 7 | orser | marshal | M | 21 | Episcopal Methodist | German | Ontario | No Occupation Listed | 243 |
| 10 | orser | mystella | F | 15 | Episcopal Methodist | German | Ontario | No Occupation Listed | 210 |
| 9 | orser | phoebe | F | 36 | Methodist | German | Ontario | No Occupation Listed | 210 |
| 5 | orser | sarah | F | 55 | Episcopal Methodist | Irish | Ireland | No Occupation Listed | 243 |
| 17 | orser | sheldon | M | 2 | Episcopal Methodist | German | Ontario | No Occupation Listed | 115 |
| 12 | orser | stephen | M | 47 | Episcopal Methodist | German | Ontario | Farmers, general and nfs | 224 |
| 22 | orser | william | M | 37 | Episcopal Methodist | German | Ontario | Farmers, general and nfs | 208 |
| 8 | orser | william | M | 37 | Episcopal Methodist | German | Ontario | Farmers, general and nfs | 210 |
| 23 | orser | william | M | 69 | Episcopal Methodist | German | Ontario | No Occupation Listed | 220 |