Residents of Chinguacousy — Sub-district B, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 13 | ohara | annie | F | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 16 |
| 16 | ohara | cassie | F | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 16 |
| 14 | ohara | charles | M | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 16 |
| 10 | ohara | daniel | M | 40 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 16 |
| 18 | ohara | edward | M | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 16 |
| 17 | ohara | henry | M | 2 | Roman Catholic | Irish | Ontario | No Occupation Listed | 16 |
| 11 | ohara | mary | F | 34 | Roman Catholic | Irish | Ontario | No Occupation Listed | 16 |
| 15 | ohara | mary | F | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 16 |
| 12 | ohara | william | M | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 16 |
| 20 | oldfeild | andrew | M | 14 | Episcopal Methodist | English | Ontario | No Occupation Listed | 152 |
| 17 | oldfeild | fanny | F | 45 | Episcopal Methodist | English | England | No Occupation Listed | 152 |
| 16 | oldfeild | henry | M | 47 | Episcopal Methodist | English | England | Labourers nfs | 152 |
| 19 | oldfeild | jarvis | M | 16 | Episcopal Methodist | English | Ontario | No Occupation Listed | 152 |
| 21 | oldfeild | mary | F | 9 | Episcopal Methodist | English | Ontario | No Occupation Listed | 152 |
| 18 | oldfeild | richard | M | 18 | Episcopal Methodist | English | Ontario | No Occupation Listed | 152 |
| 2 | oleary | catharine | F | 90 | Roman Catholic | Irish | Ireland | No Occupation Listed | 95 |
| 25 | oleary | john | M | 39 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 95 |
| 1 | oleary | maggie | F | 33 | Roman Catholic | Irish | Ontario | No Occupation Listed | 95 |
| 15 | oliver | alex | M | 32 | Presbyterian | Scottish | Ontario | Farmers, general and nfs | 4 |
| 19 | oliver | annie | F | 3 | Presbyterian | Scottish | Ontario | No Occupation Listed | 4 |
| 17 | oliver | charles | M | 8 | Presbyterian | Scottish | Ontario | No Occupation Listed | 4 |
| 25 | oliver | eliza | F | 12 | Methodist | Irish | Ontario | No Occupation Listed | 51 |
| 18 | oliver | emily | F | 6 | Presbyterian | Scottish | Ontario | No Occupation Listed | 4 |
| 24 | oliver | jane | F | 50 | Methodist | Irish | Ontario | No Occupation Listed | 51 |
| 1 | oliver | lorra | F | 7 | | Irish | Ontario | No Occupation Listed | 51 |
| 16 | oliver | mary | F | 33 | Presbyterian | German | Ontario | No Occupation Listed | 4 |
| 25 | olliff | caleb | M | 29 | Baptist | English | England | No Occupation Listed | 163 |
| 1 | olliff | martha | F | 25 | Methodist | Irish | Ontario | No Occupation Listed | 163 |
| 2 | olliff | mary | F | 1 | Methodist | English | Ontario | No Occupation Listed | 163 |
| 23 | ony | rebecka | F | 82 | Episcopal Methodist | Blank | Ontario | No Occupation Listed | 12 |
| 21 | orr | charles | M | 25 | Presbyterian | Irish | Ontario | Farmers, general and nfs | 61 |
| 24 | orr | charles | M | 1 | Presbyterian | Irish | Ontario | No Occupation Listed | 61 |
| 10 | orr | daniell | M | 78 | Anglican | Irish | Ireland | Farmers, general and nfs | 99 |
| 22 | orr | elisa | F | 24 | Presbyterian | Irish | Ontario | No Occupation Listed | 61 |
| 11 | orr | elizabeth | F | 73 | Anglican | Irish | Ireland | No Occupation Listed | 99 |
| 19 | orr | ellen | F | 61 | Anglican | Irish | Ireland | No Occupation Listed | 45 |
| 25 | orr | george | M | 0 | Presbyterian | Irish | Ontario | No Occupation Listed | 61 |
| 23 | orr | james | M | 2 | Presbyterian | Irish | Ontario | No Occupation Listed | 61 |
| 17 | orr | joseph | M | 25 | Presbyterian | Irish | Ontario | Farmers, general and nfs | 45 |
| 18 | orr | margaret | F | 22 | Presbyterian | Scottish | Ontario | No Occupation Listed | 45 |
| 19 | orte | aabraham | M | 37 | Methodist | Irish | Ontario | Farmers, general and nfs | 6 |
| 17 | orte | izabella | F | 69 | Methodist | Irish | Ireland | No Occupation Listed | 6 |
| 18 | orte | thomas | M | 37 | Methodist | Irish | Ontario | Farmers, general and nfs | 6 |
| 2 | osburn | elizabeth | F | 10 | | English | England | No Occupation Listed | 101 |
| 25 | osburn | mary | F | 57 | Anglican | English | England | No Occupation Listed | 101 |
| 1 | osburn | mary | F | 16 | Anglican | English | England | No Occupation Listed | 101 |
| 24 | osburn | samuel | M | 58 | Anglican | English | England | Labourers nfs | 101 |
| 7 | oshanske | jacob | M | 65 | Lutheran | German | Prussia | Labourers nfs | 4 |
| 8 | oshanske | mary | F | 60 | Lutheran | German | Prussia | No Occupation Listed | 4 |
| 7 | ostrader | john | M | 3 | Episcopal Methodist | Dutch | Ontario | No Occupation Listed | 194 |
| 12 | ostranden | sereahjane | F | 41 | Episcopal Methodist | German | Ireland | No Occupation Listed | 156 |
| 18 | ostrander | agnes | F | 8 | Episcopal Methodist | Dutch | Ontario | No Occupation Listed | 156 |
| 3 | ostrander | albert | M | 10 | Methodist | Irish | Ontario | No Occupation Listed | 108 |
| 25 | ostrander | annie | F | 49 | Methodist | Irish | Ontario | No Occupation Listed | 108 |
| 25 | ostrander | augustus | M | 4 | Episcopal Methodist | German | Ontario | No Occupation Listed | 157 |
| 12 | ostrander | elizabeth | F | 28 | Methodist | Canadian | Ontario | No Occupation Listed | 110 |
| 15 | ostrander | elizabeth | F | 14 | Episcopal Methodist | Dutch | Ontario | No Occupation Listed | 156 |
| 23 | ostrander | esther | F | 7 | Episcopal Methodist | German | Ontario | No Occupation Listed | 157 |
| 11 | ostrander | george | M | 39 | Methodist | Canadian | Ontario | Farmers, general and nfs | 110 |
| 22 | ostrander | george | M | 8 | Episcopal Methodist | German | Ontario | No Occupation Listed | 157 |
| 6 | ostrander | george | M | 11 | Episcopal Methodist | Dutch | Ontario | No Occupation Listed | 194 |
| 14 | ostrander | james | M | 86 | Episcopal Methodist | Dutch | Ontario | No Occupation Listed | 156 |
| 14 | ostrander | litty | F | 6 | Methodist | Canadian | Ontario | No Occupation Listed | 110 |
| 13 | ostrander | louisa | F | 8 | Methodist | Canadian | Ontario | No Occupation Listed | 110 |
| 17 | ostrander | loyal | M | 81 | Methodist | Canadian | Ontario | Farmers, general and nfs | 111 |
| 13 | ostrander | margret | F | 18 | Episcopal Methodist | German | Ontario | No Occupation Listed | 156 |
| 21 | ostrander | margret | F | 10 | Episcopal Methodist | German | Ontario | No Occupation Listed | 157 |
| 1 | ostrander | mariah | F | 3 | Episcopal Methodist | German | Ontario | No Occupation Listed | 157 |
| 4 | ostrander | marilla | F | 30 | Episcopal Methodist | Dutch | Ontario | No Occupation Listed | 194 |
| 20 | ostrander | martha | F | 35 | Episcopal Methodist | German | Ontario | No Occupation Listed | 157 |
| 15 | ostrander | matilda | F | 4 | Methodist | Canadian | Ontario | No Occupation Listed | 110 |
| 2 | ostrander | matthew | M | 61 | Episcopal Methodist | Dutch | Ontario | Farmers, general and nfs | 194 |
| 11 | ostrander | mr | M | 41 | Episcopal Methodist | German | Ontario | Farmers, general and nfs | 156 |
| 16 | ostrander | nathaniel | M | 12 | Episcopal Methodist | Dutch | Ontario | No Occupation Listed | 156 |
| 17 | ostrander | nelson | M | 10 | Episcopal Methodist | Dutch | Ontario | No Occupation Listed | 156 |
| 24 | ostrander | noah | M | 5 | Episcopal Methodist | German | Ontario | No Occupation Listed | 157 |
| 16 | ostrander | pheby | F | 2 | Methodist | Canadian | Ontario | No Occupation Listed | 110 |
| 18 | ostrander | pheby | F | 79 | Methodist | Canadian | Ontario | No Occupation Listed | 111 |
| 2 | ostrander | samuel | M | 21 | Methodist | Irish | Ontario | Farmers, general and nfs | 108 |
| 1 | ostrander | thomas | M | 24 | Methodist | Irish | Ontario | Farmers, general and nfs | 108 |
| 24 | ostrander | william | M | 50 | Methodist | German | Ontario | Farmers, general and nfs | 108 |
| 19 | ostrander | william | M | 44 | Episcopal Methodist | German | Ontario | Farmers, general and nfs | 157 |
| 3 | ostrander_ | catherine | F | 58 | Episcopal Methodist | Dutch | Ontario | No Occupation Listed | 194 |
| 5 | ostrandern | matthew | M | 14 | Episcopal Methodist | Dutch | Ontario | No Occupation Listed | 194 |
| 6 | owens | elisa | F | 54 | Methodist | Irish | Ireland | No Occupation Listed | 105 |
| 10 | owens | elizabeth | M | 58 | Methodist | Irish | Ireland | No Occupation Listed | 106 |
| 5 | owens | james | M | 54 | Methodist | Irish | Ireland | Farmers, general and nfs | 105 |
| 11 | owens | jane | F | 32 | Methodist | Irish | Ontario | No Occupation Listed | 106 |
| 8 | owens | john | M | 21 | Methodist | Irish | Ontario | Farmers, general and nfs | 105 |
| 7 | owens | robert | M | 22 | Methodist | Irish | Ontario | Farmers, general and nfs | 105 |