Residents of Peel — Sub-district E, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 12 | obrine | adam | M | 55 | Roman Catholic | Irish | Ireland | river drivers | 154 |
| 13 | obrine | ann | F | 18 | Roman Catholic | Irish | Ontario | No Occupation Listed | 154 |
| 17 | obrine | john | M | 45 | Roman Catholic | Irish | Ireland | Bricklayers | 164 |
| 14 | obrine | joseph | M | 20 | Roman Catholic | Irish | Ontario | Blacksmiths | 154 |
| 9 | ocalahan | mary | F | 83 | Roman Catholic | Irish | Ireland | No Occupation Listed | 201 |
| 2 | ocallaghan | ann | F | 60 | Roman Catholic | Irish | Ireland | No Occupation Listed | 196 |
| 25 | ocallaghan | cornelius | M | 50 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 148 |
| 24 | ocallaghan | denis | M | 25 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 196 |
| 1 | ocallaghan | joseph | M | 20 | Roman Catholic | Irish | Ontario | Labourers nfs | 196 |
| 25 | ocallaghan | mary | F | 22 | Roman Catholic | Irish | Ontario | No Occupation Listed | 196 |
| 15 | ocallahan | denis | M | 73 | Roman Catholic | Irish | Ireland | No Occupation Listed | 172 |
| 6 | oconnor | bridget | F | 55 | Roman Catholic | Irish | Ireland | No Occupation Listed | 69 |
| 16 | oconnor | ellen | F | 17 | Roman Catholic | Irish | United States | No Occupation Listed | 204 |
| 17 | oconnor | ellen | F | 16 | Roman Catholic | Irish | Ontario | Seamstress | 204 |
| 5 | oconnor | james | M | 65 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 69 |
| 7 | oconnor | james | M | 25 | Roman Catholic | Irish | Ontario | Mason nfs or combined | 69 |
| 19 | oconnor | james | M | 12 | Roman Catholic | Irish | Ontario | No Occupation Listed | 204 |
| 18 | oconnor | john | M | 15 | Roman Catholic | Irish | Ontario | river drivers | 204 |
| 10 | oconnor | joseph | M | 20 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 69 |
| 9 | oconnor | patrick | M | 20 | Roman Catholic | Irish | Ontario | Mason nfs or combined | 69 |
| 8 | oconnor | william | M | 24 | Roman Catholic | Irish | Ontario | Mason nfs or combined | 69 |
| 24 | odonell | bridgett | F | 63 | Roman Catholic | Irish | Ireland | No Occupation Listed | 20 |
| 23 | odonell | james | M | 63 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 20 |
| 25 | odonell | john | M | 36 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 20 |
| 1 | odonnell | cathrine | F | 30 | Roman Catholic | Irish | Ontario | No Occupation Listed | 20 |
| 2 | odonnell | hannah | F | 24 | Roman Catholic | Irish | Ontario | No Occupation Listed | 20 |
| 3 | odonnell | william | M | 22 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 20 |
| 16 | ogaady | james | M | 50 | Roman Catholic | Irish | Ireland | river drivers | 163 |
| 5 | okely | abraham | M | 47 | Methodist | English | Ontario | Farmers, general and nfs | 60 |
| 6 | okely | francess | F | 42 | Methodist | German | Ontario | No Occupation Listed | 60 |
| 7 | okely | herbert | M | 19 | Methodist | German | Ontario | Farmers, general and nfs | 60 |
| 8 | okely | john | M | 16 | Methodist | German | Ontario | Farmers, general and nfs | 60 |
| 9 | okely | sarah | F | 7 | Methodist | German | Ontario | No Occupation Listed | 60 |
| 5 | oleary | bridget | F | 24 | Roman Catholic | Irish | Ontario | No Occupation Listed | 145 |
| 6 | oleary | catherine | F | 22 | Roman Catholic | Irish | Ontario | No Occupation Listed | 145 |
| 3 | oleary | humpry | M | 50 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 145 |
| 9 | oleary | john | F | 18 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 145 |
| 10 | oleary | julia | F | 17 | Roman Catholic | Irish | Ontario | No Occupation Listed | 145 |
| 4 | oleary | mary | F | 50 | Roman Catholic | Irish | Ireland | No Occupation Listed | 145 |
| 8 | oleary | mary | F | 19 | Roman Catholic | Irish | Ontario | No Occupation Listed | 145 |
| 11 | oleary | michael | M | 15 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 145 |
| 7 | oleary | sarah | F | 20 | Roman Catholic | Irish | Ontario | No Occupation Listed | 145 |
| 24 | olliver | mary | F | 13 | Wesleyan Methodist | English | England | No Occupation Listed | 75 |
| 25 | olsen | georganna | F | 20 | Episcopal Methodist | African Origins | Ontario | No Occupation Listed | 212 |
| 6 | oneal | bridgett | F | 60 | Roman Catholic | Irish | Ireland | No Occupation Listed | 21 |
| 13 | oneal | catherine | F | 36 | Roman Catholic | Irish | Ontario | No Occupation Listed | 9 |
| 25 | oneal | cathrine | F | 10 | Roman Catholic | Irish | Ontario | No Occupation Listed | 38 |
| 8 | oneal | christopher | M | 28 | Roman Catholic | Irish | Ontario | Blacksmiths | 21 |
| 16 | oneal | clara | F | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 9 |
| 20 | oneal | fredrick | M | 2 | Roman Catholic | Irish | Ontario | No Occupation Listed | 9 |
| 14 | oneal | george | M | 18 | Roman Catholic | Irish | Ontario | No Occupation Listed | 9 |
| 12 | oneal | henry | M | 43 | Roman Catholic | Irish | Ontario | Blacksmiths | 9 |
| 5 | oneal | henry | M | 73 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 21 |
| 10 | oneal | henry | M | 18 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 21 |
| 7 | oneal | james | M | 32 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 21 |
| 19 | oneal | james | M | 40 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 38 |
| 22 | oneal | james | M | 18 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 38 |
| 12 | oneal | jane | F | 21 | Roman Catholic | Irish | Ontario | No Occupation Listed | 21 |
| 9 | oneal | john | M | 25 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 21 |
| 23 | oneal | john | M | 16 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 38 |
| 19 | oneal | margreetta | F | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 9 |
| 15 | oneal | margrett | F | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 9 |
| 13 | oneal | margrett | F | 19 | Roman Catholic | Irish | Ontario | No Occupation Listed | 21 |
| 18 | oneal | mary | F | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 9 |
| 20 | oneal | mary | F | 40 | Roman Catholic | Irish | Ontario | No Occupation Listed | 38 |
| 11 | oneal | michial | M | 16 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 21 |
| 24 | oneal | michial | M | 13 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 38 |
| 14 | oneal | tenessa | F | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 21 |
| 17 | oneal | william | M | 12 | Roman Catholic | Irish | Ontario | No Occupation Listed | 9 |
| 21 | oneal | william | M | 20 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 38 |
| 15 | oneil | ann | F | 55 | Roman Catholic | Irish | Ireland | No Occupation Listed | 189 |
| 20 | oneil | bridget | F | 45 | Roman Catholic | Irish | Ireland | No Occupation Listed | 153 |
| 25 | oneil | bridget | F | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 153 |
| 19 | oneil | catharine | F | 14 | Roman Catholic | Irish | Ontario | No Occupation Listed | 189 |
| 21 | oneil | elizabeth | F | 15 | Roman Catholic | Irish | Quebec | No Occupation Listed | 153 |
| 24 | oneil | ellen | F | 22 | Roman Catholic | Irish | Ontario | No Occupation Listed | 155 |
| 23 | oneil | eugene | M | 24 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 155 |
| 23 | oneil | james | M | 10 | Roman Catholic | Irish | Quebec | No Occupation Listed | 153 |
| 14 | oneil | james | M | 55 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 189 |
| 16 | oneil | james | M | 22 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 189 |
| 22 | oneil | john | M | 12 | Roman Catholic | Irish | Quebec | No Occupation Listed | 153 |
| 6 | oneil | john | M | 39 | Roman Catholic | Irish | Scotland | Farmers, general and nfs | 33 |
| 17 | oneil | john | M | 19 | Roman Catholic | Irish | Ontario | No Occupation Listed | 189 |
| 18 | oneil | margaret | F | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 189 |
| 22 | oneil | mary | F | 60 | Roman Catholic | Irish | Ireland | No Occupation Listed | 155 |
| 19 | oneil | patrick | M | 49 | Roman Catholic | Irish | Ireland | Railway builders, workers and labourers | 153 |
| 21 | oneil | patrick | M | 68 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 155 |
| 24 | oneil | sarah | F | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 153 |
| 25 | oneil | william | M | 20 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 155 |
| 2 | oswald | eve | F | 29 | Presbyterian | German | Germany | No Occupation Listed | 189 |
| 1 | oswald | philip | M | 30 | Presbyterian | German | Germany | Farmers, general and nfs | 189 |
| 6 | owens | bridget | F | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 48 |
| 7 | owens | catherine | F | 4 | Roman Catholic | Irish | Ontario | No Occupation Listed | 48 |
| 3 | owens | edward | M | 60 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 48 |
| 9 | owens | edward | M | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 48 |
| 5 | owens | john | M | 8 | Roman Catholic | Irish | Ontario | No Occupation Listed | 48 |
| 4 | owens | mary | F | 30 | Roman Catholic | Irish | Ireland | No Occupation Listed | 48 |
| 8 | owens | mary | F | 2 | Roman Catholic | Irish | Ontario | No Occupation Listed | 48 |
| 2 | owens | patrick | M | 34 | Roman Catholic | Irish | Ireland | Ministers of Religion | 168 |
| 22 | owns | alice | F | 27 | Wesleyan Methodist | Irish | Ireland | No Occupation Listed | 44 |
| 23 | owns | elizabeth | F | 24 | Wesleyan Methodist | Irish | Ireland | No Occupation Listed | 44 |
| 21 | owns | george | M | 30 | Wesleyan Methodist | Irish | Ireland | Farmers, general and nfs | 44 |
| 18 | owns | jane | F | 73 | Wesleyan Methodist | Irish | Ireland | No Occupation Listed | 44 |
| 5 | owns | john | M | 36 | Methodist | Irish | Ontario | Hotel Keepers and Managers | 6 |
| 6 | owns | mary | F | 36 | Methodist | Irish | Ontario | No Occupation Listed | 6 |
| 8 | owns | r | M | 7 | Methodist | Irish | Ontario | No Occupation Listed | 6 |
| 19 | owns | thomas | M | 38 | Wesleyan Methodist | Irish | Ireland | Farmers, general and nfs | 44 |
| 7 | owns | william | M | 12 | Methodist | Irish | Ontario | No Occupation Listed | 6 |
| 17 | owns | william | M | 80 | Wesleyan Methodist | Irish | Ireland | Farmers, general and nfs | 44 |
| 20 | owns | william | M | 34 | Wesleyan Methodist | Irish | Ireland | Farmers, general and nfs | 44 |