Residents of Osgoode — Sub-district G, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 16 | oans | ann | F | 65 | Anglican | Irish | Ireland | No Occupation Listed | 214 |
| 15 | oans | carline | F | 2 | Anglican | Irish | Ontario | No Occupation Listed | 214 |
| 14 | oans | jilbert | M | 5 | Anglican | Irish | Ontario | No Occupation Listed | 214 |
| 11 | oans | jorge | M | 11 | Anglican | Irish | Ontario | No Occupation Listed | 214 |
| 10 | oans | mary | F | 36 | Anglican | Irish | Ireland | No Occupation Listed | 214 |
| 13 | oans | mary | F | 7 | Anglican | Irish | Ontario | No Occupation Listed | 214 |
| 9 | oans | william | M | 36 | Anglican | Irish | Ontario | Labourers nfs | 214 |
| 12 | oans | william | M | 9 | Anglican | Irish | Ontario | No Occupation Listed | 214 |
| 6 | obrien | agness | F | 10 | Roman Catholic | Irish | Ontario | No Occupation Listed | 60 |
| 17 | obrien | alece | F | 24 | Roman Catholic | Irish | Ontario | No Occupation Listed | 240 |
| 5 | obrien | ann | F | 12 | Roman Catholic | Irish | Ontario | No Occupation Listed | 60 |
| 24 | obrien | ann | F | 48 | Roman Catholic | Irish | Ontario | No Occupation Listed | 259 |
| 4 | obrien | ann | F | 21 | Roman Catholic | Irish | Ontario | No Occupation Listed | 259 |
| 3 | obrien | barthia | F | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 7 |
| 9 | obrien | bridget | F | 60 | Roman Catholic | Irish | Ireland | No Occupation Listed | 7 |
| 8 | obrien | bridget | F | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 60 |
| 10 | obrien | bridget | F | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 259 |
| 8 | obrien | catherine | F | 26 | Roman Catholic | Irish | Ontario | No Occupation Listed | 7 |
| 5 | obrien | catherine | F | 18 | Roman Catholic | Irish | Ontario | No Occupation Listed | 58 |
| 4 | obrien | domonik | F | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 60 |
| 5 | obrien | elisebeth | F | 18 | Roman Catholic | Irish | Ontario | No Occupation Listed | 233 |
| 8 | obrien | elisebeth | F | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 259 |
| 8 | obrien | elsizia | F | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 58 |
| 6 | obrien | fredrick | M | 1 | Roman Catholic | Irish | Ontario | No Occupation Listed | 7 |
| 7 | obrien | hanorah | F | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 259 |
| 25 | obrien | james | M | 50 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 58 |
| 6 | obrien | james | M | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 58 |
| 1 | obrien | james | M | 20 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 60 |
| 6 | obrien | james | M | 16 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 233 |
| 2 | obrien | jane | F | 27 | Roman Catholic | Irish | Ontario | No Occupation Listed | 7 |
| 1 | obrien | johannah | F | 50 | Roman Catholic | Irish | Ireland | No Occupation Listed | 58 |
| 4 | obrien | johannah | F | 21 | Roman Catholic | Irish | Ontario | No Occupation Listed | 58 |
| 1 | obrien | john | M | 33 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 7 |
| 25 | obrien | john | M | 22 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 60 |
| 2 | obrien | john | M | 29 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 233 |
| 18 | obrien | john | M | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 240 |
| 1 | obrien | john | M | 26 | Roman Catholic | Irish | Ontario | No Occupation Listed | 259 |
| 10 | obrien | joseph | M | 19 | Roman Catholic | French | Quebec | No Occupation Listed | 7 |
| 25 | obrien | julie | F | 26 | Roman Catholic | Irish | Ontario | No Occupation Listed | 259 |
| 24 | obrien | margaret | F | 23 | Roman Catholic | Irish | Ontario | No Occupation Listed | 60 |
| 3 | obrien | margret | F | 23 | Roman Catholic | Irish | Ontario | No Occupation Listed | 58 |
| 8 | obrien | margret | F | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 233 |
| 2 | obrien | margret | F | 24 | Roman Catholic | Irish | Ontario | No Occupation Listed | 259 |
| 7 | obrien | mary | F | 24 | Roman Catholic | Irish | Ontario | No Occupation Listed | 7 |
| 23 | obrien | mary | F | 50 | Roman Catholic | Irish | Ontario | No Occupation Listed | 60 |
| 3 | obrien | mary | F | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 60 |
| 1 | obrien | mary | F | 50 | Roman Catholic | Irish | Ireland | No Occupation Listed | 233 |
| 9 | obrien | mary | F | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 259 |
| 2 | obrien | mathew | M | 25 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 58 |
| 9 | obrien | mathew | M | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 60 |
| 22 | obrien | matthew | M | 50 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 60 |
| 5 | obrien | miceal | M | 19 | Roman Catholic | Irish | Ontario | No Occupation Listed | 259 |
| 2 | obrien | micheal | M | 18 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 60 |
| 25 | obrien | micheal | M | 60 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 233 |
| 4 | obrien | micheal | M | 20 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 233 |
| 19 | obrien | micheal | M | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 240 |
| 7 | obrien | patrick | M | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 58 |
| 7 | obrien | patrick | M | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 60 |
| 3 | obrien | patrick | M | 24 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 233 |
| 23 | obrien | patrick | M | 58 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 259 |
| 3 | obrien | patrick | M | 22 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 259 |
| 4 | obrien | robert | M | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 7 |
| 6 | obrien | susen | F | 17 | Roman Catholic | Irish | Ontario | No Occupation Listed | 259 |
| 7 | obrien | thomas | M | 14 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 233 |
| 5 | obrien | william | M | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 7 |
| 16 | obrien | william | M | 28 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 240 |
| 15 | oconner | cathrine | F | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 120 |
| 16 | oconner | daniel | M | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 120 |
| 11 | oconner | hugh | M | 40 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 120 |
| 12 | oconner | julie | F | 49 | Roman Catholic | Irish | Ontario | No Occupation Listed | 120 |
| 14 | oconner | margret | F | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 120 |
| 13 | oconner | mary | F | 22 | Roman Catholic | Irish | Ontario | No Occupation Listed | 120 |
| 16 | oconnor | allen | F | 20 | Roman Catholic | Irish | Ontario | No Occupation Listed | 17 |
| 12 | oconnor | ann | F | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 31 |
| 4 | oconnor | bridget | F | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 52 |
| 13 | oconnor | bridget | F | 2 | Roman Catholic | Irish | Ontario | No Occupation Listed | 31 |
| 12 | oconnor | catherine | F | 22 | Roman Catholic | Irish | Ontario | No Occupation Listed | 17 |
| 23 | oconnor | dennis | M | 53 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 52 |
| 13 | oconnor | elisabeth | F | 19 | Roman Catholic | Irish | Ontario | No Occupation Listed | 17 |
| 5 | oconnor | elisebeth | F | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 52 |
| 1 | oconnor | ester | F | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 52 |
| 15 | oconnor | james | M | 15 | Roman Catholic | Irish | Ontario | No Occupation Listed | 17 |
| 3 | oconnor | jarmiah | M | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 52 |
| 23 | oconnor | john | M | 49 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 170 |
| 11 | oconnor | john | M | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 31 |
| 24 | oconnor | margret | F | 40 | Roman Catholic | Irish | Ontario | No Occupation Listed | 52 |
| 10 | oconnor | mary | F | 57 | Roman Catholic | Irish | Ontario | No Occupation Listed | 17 |
| 25 | oconnor | mary | F | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 52 |
| 10 | oconnor | mary | F | 42 | Roman Catholic | Irish | Ontario | No Occupation Listed | 31 |
| 11 | oconnor | micheal | M | 24 | Roman Catholic | Irish | Ontario | No Occupation Listed | 17 |
| 14 | oconnor | patrick | M | 17 | Roman Catholic | Irish | Ontario | No Occupation Listed | 17 |
| 2 | oconnor | patrick | M | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 52 |
| 9 | oconnor | thomas | M | 50 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 31 |
| 9 | oconnor | thos | M | 26 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 17 |