Residents of Grand Manan — Sub-district R, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 21 | obrien | annie | F | 30 | Free Baptist | English | New Brunswick | No Occupation Listed | 39 |
| 24 | obrien | grace | F | 5 | Free Baptist | Irish | New Brunswick | No Occupation Listed | 39 |
| 20 | obrien | james | M | 46 | Free Baptist | Irish | New Brunswick | Fishermen | 39 |
| 25 | obrien | lillie | F | 3 | Free Baptist | Irish | New Brunswick | No Occupation Listed | 39 |
| 23 | obrien | robert | M | 9 | Free Baptist | Irish | New Brunswick | No Occupation Listed | 39 |
| 22 | obrien | sarah | F | 12 | Free Baptist | Irish | New Brunswick | No Occupation Listed | 39 |
| 16 | orff | anna | F | 14 | Free Baptist | Dutch | New Brunswick | No Occupation Listed | 90 |
| 19 | orff | benjamin | M | 5 | Free Baptist | Dutch | New Brunswick | No Occupation Listed | 90 |
| 18 | orff | bertha | F | 9 | Free Baptist | Dutch | New Brunswick | No Occupation Listed | 90 |
| 14 | orff | george | M | 48 | Free Baptist | Dutch | New Brunswick | Fishermen | 90 |
| 17 | orff | henry | M | 11 | Free Baptist | Dutch | New Brunswick | No Occupation Listed | 90 |
| 15 | orff | lovina | F | 39 | Free Baptist | English | United States | No Occupation Listed | 90 |
| 1 | osborn | archibald | M | 7 | Free Baptist | English | New Brunswick | No Occupation Listed | 361 |
| 24 | osborn | augusta | F | 13 | Free Baptist | English | New Brunswick | No Occupation Listed | 361 |
| 6 | osborn | carrie | F | 22 | Free Baptist | English | United States | No Occupation Listed | 496 |
| 2 | osborn | everett | M | 3 | Free Baptist | English | New Brunswick | No Occupation Listed | 361 |
| 23 | osborn | herbert | M | 15 | Free Baptist | English | New Brunswick | Farmers, general and nfs | 361 |
| 5 | osborn | john | M | 23 | Free Baptist | English | Nova Scotia | Fishermen | 496 |
| 20 | osborn | juliette | F | 44 | Free Baptist | English | New Brunswick | No Occupation Listed | 361 |
| 22 | osborn | leonora | F | 17 | Free Baptist | English | New Brunswick | No Occupation Listed | 361 |
| 25 | osborn | margret | F | 10 | Free Baptist | English | New Brunswick | No Occupation Listed | 361 |
| 21 | osborn | oscor | M | 22 | Free Baptist | English | New Brunswick | Farmers, general and nfs | 361 |
| 19 | osborn | william | M | 50 | Free Baptist | English | New Brunswick | Farmers, general and nfs | 361 |