Residents of Flamborough E — Sub-district B, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 17 | oconnel | maria | F | 40 | Universalist | Irish | Ireland | No Occupation Listed | 172 |
| 6 | oconnel | william | M | 27 | Anglican | English | England | river drivers | 162 |
| 1 | oconnor | bridget | F | 39 | Roman Catholic | Irish | Ireland | No Occupation Listed | 156 |
| 6 | oconnor | daniel | M | 6 | Roman Catholic | Irish | Ontario | No Occupation Listed | 156 |
| 2 | oconnor | james | M | 16 | Roman Catholic | Irish | Ontario | Labourers nfs | 156 |
| 25 | oconnor | john | M | 46 | Roman Catholic | Irish | Ireland | Labourers nfs | 156 |
| 5 | oconnor | john | M | 10 | Roman Catholic | Irish | Ontario | No Occupation Listed | 156 |
| 7 | oconnor | joseph | M | 0 | Roman Catholic | Irish | Ontario | No Occupation Listed | 156 |
| 3 | oconnor | martin | M | 15 | Roman Catholic | Irish | Ontario | Labourers nfs | 156 |
| 4 | oconnor | mary | F | 12 | Roman Catholic | Irish | Ontario | No Occupation Listed | 156 |
| 23 | ocool | frances | F | 30 | Roman Catholic | Welsh | Ontario | No Occupation Listed | 493 |
| 22 | ocool | james | M | 27 | Roman Catholic | Irish | Ireland | Coopers etc. | 493 |
| 16 | odonnell | dennis | M | 74 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 176 |
| 21 | odonnell | dennis | M | 26 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 176 |
| 20 | odonnell | ellen | F | 30 | Roman Catholic | Irish | Ontario | No Occupation Listed | 176 |
| 19 | odonnell | james | M | 37 | Roman Catholic | Irish | New Brunswick | Farmers, general and nfs | 176 |
| 17 | odonnell | margaret | F | 66 | Roman Catholic | Irish | Ireland | No Occupation Listed | 176 |
| 22 | odonnell | mary | F | 28 | Roman Catholic | Irish | Ontario | No Occupation Listed | 176 |
| 18 | odonnell | timothy | M | 40 | Roman Catholic | Irish | New Brunswick | Farmers, general and nfs | 176 |
| 21 | oherlan | berta | F | 20 | Methodist | German | Ontario | Servants nfs | 44 |
| 20 | oherlan | charley | M | 25 | Methodist | German | United States | Blacksmiths | 44 |
| 24 | oherlan | ernest | M | 9 | Methodist | German | Ontario | No Occupation Listed | 44 |
| 23 | oherlan | johane | F | 15 | Methodist | German | Ontario | No Occupation Listed | 44 |
| 18 | oherlan | john | M | 60 | Methodist | German | Germany | Weavers | 44 |
| 22 | oherlan | maria | F | 17 | Methodist | German | Ontario | No Occupation Listed | 44 |
| 19 | oherlan | sophia | F | 48 | Methodist | German | Germany | No Occupation Listed | 44 |
| 13 | oneil | celeslia | F | 43 | Methodist | Blank | Ontario | No Occupation Listed | 52 |
| 16 | oneil | grace | F | 6 | Methodist | Irish | Ontario | No Occupation Listed | 52 |
| 12 | oneil | hugh | M | 44 | Methodist | Irish | Ireland | Carpenters | 52 |
| 25 | oneil | john | M | 33 | Roman Catholic | Irish | Ireland | Labourers nfs | 6 |
| 14 | oneil | josephine | F | 16 | Methodist | Irish | Ontario | No Occupation Listed | 52 |
| 15 | oneil | william | M | 13 | Methodist | Irish | Ontario | No Occupation Listed | 52 |
| 8 | oniel | john | M | 30 | Roman Catholic | Irish | Ontario | Labourers nfs | 90 |
| 11 | organ | agnes | F | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 43 |
| 9 | organ | annie | F | 13 | Roman Catholic | Irish | Ontario | No Occupation Listed | 43 |
| 14 | organ | charles | F | 2 | Roman Catholic | Irish | Ontario | No Occupation Listed | 43 |
| 8 | organ | donald | M | 16 | Roman Catholic | Irish | Ontario | No Occupation Listed | 43 |
| 12 | organ | edward | M | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 43 |
| 13 | organ | james | M | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 43 |
| 15 | organ | john | M | 72 | Roman Catholic | Irish | Ireland | river drivers | 43 |
| 7 | organ | margaret | F | 34 | Roman Catholic | Scottish | Ontario | No Occupation Listed | 43 |
| 6 | organ | thomas | M | 37 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 43 |
| 9 | organ | william | M | 29 | Roman Catholic | Irish | Ontario | Farmers, general and nfs | 55 |
| 10 | organ | william | M | 11 | Roman Catholic | Irish | Ontario | No Occupation Listed | 43 |
| 16 | organ | william | M | 28 | Roman Catholic | Irish | Ontario | river drivers | 43 |
| 23 | orr | alice | F | 1 | Methodist | Irish | Ontario | No Occupation Listed | 161 |
| 17 | orr | catherine | F | 37 | Roman Catholic | Irish | Ontario | No Occupation Listed | 81 |
| 16 | orr | charles | M | 39 | Methodist | Irish | Ontario | river drivers | 81 |
| 21 | orr | ester | F | 33 | Methodist | Blank | Ontario | No Occupation Listed | 161 |
| 22 | orr | fredrick | M | 2 | Methodist | Irish | Ontario | No Occupation Listed | 161 |
| 20 | orr | richard | M | 35 | Methodist | Irish | Ontario | Boot and shoemakers and repairers | 161 |