Residents of Norwich S — Sub-district C, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 7 | oaatman | mathew | M | 10 | Methodist | Blank | Ontario | No Occupation Listed | 262 |
| 17 | oatis | ellen | F | 52 | Episcopal Methodist | Blank | Ontario | No Occupation Listed | 162 |
| 18 | oatis | george | M | 29 | Baptist | Canadian | Ontario | No Occupation Listed | 162 |
| 16 | oatis | isaac | M | 56 | Baptist | Blank | Ontario | Farmers, general and nfs | 162 |
| 1 | oatman | albert | M | 19 | Baptist | American | Ontario | No Occupation Listed | 182 |
| 8 | oatman | alfretta | F | 6 | Methodist | Blank | Ontario | No Occupation Listed | 262 |
| 13 | oatman | arthur | M | 15 | Baptist | English | Ontario | No Occupation Listed | 299 |
| 2 | oatman | avens | M | 15 | Episcopal Methodist | Blank | Ontario | No Occupation Listed | 226 |
| 22 | oatman | charles | M | 39 | Baptist | American | United States | Farmers, general and nfs | 182 |
| 12 | oatman | claricy | F | 51 | Baptist | English | Ontario | No Occupation Listed | 299 |
| 14 | oatman | clary | F | 10 | Baptist | English | Ontario | No Occupation Listed | 299 |
| 24 | oatman | darius | M | 60 | Episcopal Methodist | Blank | United States | No Occupation Listed | 226 |
| 2 | oatman | dilon | M | 60 | Baptist | American | United States | Hotel Keepers and Managers | 351 |
| 23 | oatman | dorelsea | F | 38 | Baptist | American | United States | No Occupation Listed | 182 |
| 1 | oatman | eli | M | 56 | Methodist | Blank | United States | Farmers, general and nfs | 262 |
| 5 | oatman | ellie | F | 16 | Methodist | Blank | Ontario | No Occupation Listed | 262 |
| 2 | oatman | eltha | F | 53 | Methodist | Blank | Ontario | No Occupation Listed | 262 |
| 5 | oatman | emma | F | 14 | Baptist | American | Ontario | No Occupation Listed | 351 |
| 1 | oatman | frank | M | 20 | Episcopal Methodist | Blank | Ontario | No Occupation Listed | 226 |
| 6 | oatman | ida | F | 13 | Methodist | Blank | Ontario | No Occupation Listed | 262 |
| 18 | oatman | iolla | F | 63 | Baptist | American | United States | No Occupation Listed | 181 |
| 17 | oatman | james | M | 68 | Baptist | American | United States | Farmers, general and nfs | 181 |
| 8 | oatman | jerome | M | 27 | Methodist | Blank | Ontario | No Occupation Listed | 257 |
| 3 | oatman | john | M | 33 | Methodist | Blank | Ontario | Farmers, general and nfs | 262 |
| 21 | oatman | josephine | F | 26 | Methodist | Blank | Ontario | No Occupation Listed | 225 |
| 25 | oatman | leeallen | M | 8 | Episcopal Methodist | American | Ontario | No Occupation Listed | 255 |
| 3 | oatman | lida | F | 15 | Episcopal Methodist | Blank | Ontario | No Occupation Listed | 226 |
| 22 | oatman | lida | F | 13 | Episcopal Methodist | American | Ontario | No Occupation Listed | 255 |
| 23 | oatman | lily | F | 11 | Episcopal Methodist | American | Ontario | No Occupation Listed | 255 |
| 4 | oatman | lorin | M | 26 | Methodist | Blank | Ontario | No Occupation Listed | 262 |
| 20 | oatman | luther | M | 44 | Baptist | American | Ontario | Farmers, general and nfs | 255 |
| 24 | oatman | lyman | M | 10 | Episcopal Methodist | American | Ontario | No Occupation Listed | 255 |
| 25 | oatman | marinda | F | 23 | Baptist | American | Ontario | No Occupation Listed | 182 |
| 10 | oatman | martha | F | 5 | Methodist | Blank | Ontario | No Occupation Listed | 257 |
| 4 | oatman | martial | M | 21 | Baptist | American | Ontario | No Occupation Listed | 351 |
| 25 | oatman | mary | F | 20 | Baptist | Blank | Ontario | No Occupation Listed | 118 |
| 9 | oatman | mary | F | 24 | Methodist | Irish | Ontario | No Occupation Listed | 257 |
| 3 | oatman | nancy | F | 56 | Baptist | American | Ontario | No Occupation Listed | 351 |
| 20 | oatman | nelson | M | 29 | Methodist | American | Ontario | No Occupation Listed | 225 |
| 9 | oatman | nettie | F | 6 | Methodist | Blank | Ontario | No Occupation Listed | 262 |
| 21 | oatman | phebe | F | 35 | Episcopal Methodist | Irish | Ontario | No Occupation Listed | 255 |
| 19 | oatman | reuben | M | 26 | Baptist | American | Ontario | Farmers, general and nfs | 181 |
| 22 | oatman | sarah | F | 5 | Methodist | Blank | Ontario | No Occupation Listed | 225 |
| 25 | oatman | sarah | F | 56 | Episcopal Methodist | Blank | Ontario | No Occupation Listed | 226 |
| 24 | oatman | seneca | M | 25 | Baptist | American | Ontario | Farmers, general and nfs | 182 |
| 23 | oatman | talbot | M | 3 | Methodist | Blank | Ontario | No Occupation Listed | 225 |
| 11 | oatman | warren | M | 52 | Baptist | English | United States | No Occupation Listed | 299 |
| 20 | oatman | willis | M | 23 | Baptist | American | Ontario | Farmers, general and nfs | 181 |
| 10 | obrien | catherine | F | 10 | Roman Catholic | Irish | Ontario | No Occupation Listed | 115 |
| 15 | obrien | elisabeth | F | 26 | Roman Catholic | Irish | Ontario | No Occupation Listed | 94 |
| 19 | obrien | frank | M | 17 | Roman Catholic | Irish | Ontario | No Occupation Listed | 112 |
| 18 | obrien | james | M | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 94 |
| 15 | obrien | james | M | 23 | Roman Catholic | Irish | Ontario | Labourers nfs | 112 |
| 19 | obrien | john | M | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 94 |
| 8 | obrien | john | M | 27 | Roman Catholic | Irish | United States | Farmers, general and nfs | 115 |
| 12 | obrien | john | M | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 115 |
| 13 | obrien | joseph | M | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 115 |
| 20 | obrien | maggie | F | 15 | Roman Catholic | Irish | Ontario | No Occupation Listed | 112 |
| 11 | obrien | magt | F | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 115 |
| 17 | obrien | margaret | F | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 94 |
| 9 | obrien | margaret | F | 34 | Roman Catholic | Irish | Ontario | No Occupation Listed | 115 |
| 16 | obrien | martin | M | 24 | Roman Catholic | Irish | Ontario | Labourers nfs | 112 |
| 14 | obrien | mary | F | 59 | Roman Catholic | Irish | Ireland | No Occupation Listed | 112 |
| 17 | obrien | mary | F | 25 | Roman Catholic | Irish | Ontario | No Occupation Listed | 112 |
| 14 | obrien | mary | F | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 115 |
| 14 | obrien | michl | M | 39 | Roman Catholic | Irish | United States | Farmers, general and nfs | 94 |
| 20 | obrien | michl | M | 1 | Roman Catholic | Irish | Ontario | No Occupation Listed | 94 |
| 16 | obrien | patrick | M | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 94 |
| 13 | obrien | patrick | M | 73 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 112 |
| 18 | obrien | peter | M | 19 | Roman Catholic | Irish | Ontario | No Occupation Listed | 112 |
| 23 | oflynn | catherine | F | 50 | Roman Catholic | Irish | Ireland | No Occupation Listed | 164 |
| 25 | oflynn | john | M | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 164 |
| 22 | oflynn | thimothy | M | 60 | Roman Catholic | Irish | Ireland | river drivers | 164 |
| 24 | oflynn | thimothy | M | 12 | Roman Catholic | Irish | Ontario | No Occupation Listed | 164 |
| 2 | oliver | david | M | 53 | Episcopal Methodist | German | United States | Farmers, general and nfs | 232 |
| 4 | oliver | geo | M | 3 | Episcopal Methodist | German | Ontario | No Occupation Listed | 232 |
| 3 | oliver | mary | F | 40 | Episcopal Methodist | German | Ontario | No Occupation Listed | 232 |
| 22 | olmstead | edwd | M | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 90 |
| 24 | olmstead | harry | M | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 90 |
| 20 | olmstead | james | M | 33 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 90 |
| 21 | olmstead | margaret | F | 34 | Roman Catholic | Irish | Ireland | No Occupation Listed | 90 |
| 23 | olmstead | mary | F | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 90 |
| 10 | otaman | alonso | M | 28 | Baptist | Blank | Ontario | Blacksmiths | 88 |
| 13 | otis | chauncy | M | 66 | Baptist | American | United States | Farmers, general and nfs | 175 |
| 14 | otis | elisabeth | F | 52 | Episcopal Methodist | American | Ontario | No Occupation Listed | 175 |
| 17 | otis | george | M | 11 | Baptist | American | Ontario | No Occupation Listed | 235 |
| 18 | otis | james | M | 6 | Baptist | American | Ontario | No Occupation Listed | 235 |
| 15 | otis | joseph | M | 37 | Baptist | American | Ontario | Farmers, general and nfs | 235 |
| 16 | otis | rebecca | F | 35 | Baptist | Canadian | Ontario | No Occupation Listed | 235 |
| 22 | owen | lodrick | M | 24 | Episcopal Methodist | Blank | United States | Farmers, general and nfs | 166 |
| 23 | owen | mellissia | F | 17 | Episcopal Methodist | Blank | United States | No Occupation Listed | 166 |