Residents of Granby — Sub-district A, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
|---|---|---|---|---|---|---|---|---|---|
| 23 | olmstead | edward | M | 35 | Episcopal | Irish | United States | Day labourers (e.g journalier) | 368 |
| 24 | olmstead | mary | F | 25 | Episcopal | Irish | United States | No Occupation Listed | 368 |
| 25 | olmstead | nelly | F | 2 | Episcopal | Irish | Quebec | No Occupation Listed | 368 |
| 9 | oreilly | ellen | F | 17 | Roman Catholic | Irish | Quebec | No Occupation Listed | 343 |
| 8 | oreilly | sarah | F | 19 | Roman Catholic | Irish | Quebec | No Occupation Listed | 343 |