Residents of Lacolle, VL — Sub-district A, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 1 | obrille | marie | F | 22 | Roman Catholic | Irish | Quebec | No Occupation Listed | 99 |
| 25 | obrille | thomas | M | 24 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 98 |
| 17 | oconner | alice | F | 3 | Episcopal | Irish | Quebec | No Occupation Listed | 16 |
| 16 | oconner | annie | F | 26 | Episcopal | English | Quebec | No Occupation Listed | 16 |
| 15 | oconner | edgar | M | 30 | Episcopal | Irish | Quebec | Carpenters | 16 |
| 6 | oconnor | elizabeth | F | 50 | Episcopal | German | Quebec | No Occupation Listed | 151 |
| 7 | oconnor | halsey | M | 16 | Episcopal | Irish | Quebec | No Occupation Listed | 151 |
| 9 | oconnor | james | M | 53 | Episcopal | Irish | United States | No Occupation Listed | 151 |
| 5 | oconnor | john | M | 58 | Episcopal | Irish | United States | Dealer, merchant etc. (Wholesale & retail trade) | 151 |
| 8 | oconnor | milton | M | 10 | Episcopal | Irish | Quebec | No Occupation Listed | 151 |
| 10 | odell | alice | F | 7 | Methodist | German | Quebec | No Occupation Listed | 147 |
| 9 | odell | amanda | F | 10 | Methodist | German | Quebec | No Occupation Listed | 147 |
| 11 | odell | anic | F | 65 | Methodist | German | United States | No Occupation Listed | 106 |
| 14 | odell | ann | F | 31 | Methodist | English | United States | No Occupation Listed | 107 |
| 23 | odell | carrie | F | 19 | None | German | United States | No Occupation Listed | 110 |
| 8 | odell | catherine | F | 46 | Methodist | English | Quebec | No Occupation Listed | 111 |
| 6 | odell | charles | M | 20 | Methodist | German | Quebec | Farmers, general and nfs | 130 |
| 6 | odell | edward | M | 57 | None | German | Quebec | Day labourers (e.g journalier) | 110 |
| 10 | odell | elisabeth | F | 16 | Methodist | German | Quebec | No Occupation Listed | 111 |
| 4 | odell | elizabeth | F | 45 | Methodist | English | Quebec | No Occupation Listed | 147 |
| 19 | odell | elize | F | 13 | Methodist | English | Quebec | No Occupation Listed | 128 |
| 18 | odell | ella | F | 15 | Methodist | English | Quebec | No Occupation Listed | 128 |
| 7 | odell | emma | F | 22 | Methodist | German | Quebec | No Occupation Listed | 100 |
| 24 | odell | etta | F | 16 | Presbyterian | German | Quebec | No Occupation Listed | 110 |
| 3 | odell | florence | F | 6 | None | German | Quebec | No Occupation Listed | 110 |
| 21 | odell | fred | M | 6 | Methodist | English | Quebec | No Occupation Listed | 128 |
| 13 | odell | george | M | 40 | Methodist | German | Quebec | Farmers, general and nfs | 107 |
| 22 | odell | george | M | 21 | None | German | Quebec | Day labourers (e.g journalier) | 110 |
| 2 | odell | henry | M | 54 | Methodist | German | Quebec | Farmers, general and nfs | 99 |
| 4 | odell | henry | M | 20 | Methodist | German | Quebec | Farmers, general and nfs | 99 |
| 7 | odell | hiram | M | 48 | Methodist | German | Quebec | Farmers, general and nfs | 111 |
| 12 | odell | hiram | M | 12 | Methodist | German | Quebec | No Occupation Listed | 111 |
| 20 | odell | howard | M | 12 | Methodist | English | Quebec | No Occupation Listed | 128 |
| 17 | odell | james | M | 16 | Methodist | English | Quebec | Farmers, general and nfs | 128 |
| 6 | odell | john | M | 22 | Methodist | German | Quebec | Farmers, general and nfs | 100 |
| 3 | odell | john | M | 52 | Methodist | German | Quebec | Farmers, general and nfs | 147 |
| 7 | odell | joseph | M | 17 | Methodist | German | Quebec | Day labourers (e.g journalier) | 147 |
| 12 | odell | l | F | 25 | Methodist | German | Quebec | No Occupation Listed | 106 |
| 21 | odell | lidia | F | 41 | Methodist | German | Quebec | No Occupation Listed | 258 |
| 8 | odell | lillie | F | 0 | Methodist | German | Quebec | No Occupation Listed | 130 |
| 16 | odell | maggie | F | 19 | Methodist | English | Quebec | Dressmakers | 128 |
| 21 | odell | mary | F | 40 | None | English | Quebec | No Occupation Listed | 110 |
| 11 | odell | mary | F | 14 | Methodist | German | Quebec | No Occupation Listed | 111 |
| 13 | odell | mary | F | 45 | | English | Quebec | No Occupation Listed | 128 |
| 7 | odell | mary | F | 17 | Methodist | German | Quebec | No Occupation Listed | 130 |
| 6 | odell | mary | F | 19 | Methodist | German | Quebec | Dressmakers | 147 |
| 5 | odell | merritt | M | 0 | None | German | Quebec | No Occupation Listed | 110 |
| 2 | odell | nellie | F | 9 | None | German | Quebec | No Occupation Listed | 110 |
| 9 | odell | percy | M | 18 | Methodist | German | Quebec | Farmers, general and nfs | 111 |
| 8 | odell | percy | M | 13 | Methodist | German | Quebec | No Occupation Listed | 147 |
| 20 | odell | pheby | F | 81 | Methodist | German | United States | Farmers, general and nfs | 258 |
| 4 | odell | rufus | M | 3 | None | German | Quebec | No Occupation Listed | 110 |
| 5 | odell | sarah | F | 18 | Methodist | German | Quebec | No Occupation Listed | 99 |
| 1 | odell | sarah | F | 11 | None | German | Quebec | No Occupation Listed | 110 |
| 14 | odell | sarah | F | 23 | | English | Quebec | No Occupation Listed | 128 |
| 5 | odell | sarah | F | 27 | Methodist | German | Quebec | professeur | 147 |
| 20 | odell | silas | M | 41 | None | German | Quebec | Farmers, general and nfs | 110 |
| 12 | odell | smith | M | 58 | | German | Quebec | Farmers, general and nfs | 128 |
| 25 | odell | susan | F | 13 | Presbyterian | German | Quebec | No Occupation Listed | 110 |
| 3 | odell | william | M | 24 | Methodist | German | Quebec | Farmers, general and nfs | 99 |
| 15 | odell | william | M | 22 | Methodist | English | Quebec | Farmers, general and nfs | 128 |
| 7 | oliver | gertrude | F | 7 | Methodist | German | Quebec | No Occupation Listed | 84 |
| 3 | oliver | sarah | F | 56 | Methodist | German | United States | No Occupation Listed | 84 |
| 4 | oliver | stephen | M | 32 | Methodist | German | Quebec | Farmers, general and nfs | 84 |
| 5 | oliver | victoria | F | 15 | Methodist | German | Quebec | No Occupation Listed | 84 |
| 6 | oliver | william | M | 11 | Methodist | German | Quebec | No Occupation Listed | 84 |
| 15 | oneill | elizabeth | F | 2 | Roman Catholic | Irish | Quebec | No Occupation Listed | 49 |
| 14 | oneill | james | M | 14 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 49 |
| 12 | oneill | john | M | 20 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 49 |
| 10 | oneill | margret | F | 49 | Roman Catholic | Irish | Quebec | No Occupation Listed | 49 |
| 11 | oneill | mary | F | 21 | Roman Catholic | Irish | Quebec | No Occupation Listed | 49 |
| 9 | oneill | terrence | M | 50 | Roman Catholic | Irish | United States | Farmers, general and nfs | 49 |
| 13 | oneill | william | M | 18 | Roman Catholic | Irish | Quebec | Farmers, general and nfs | 49 |
| 4 | onshet | george | M | 4 | Episcopal | English | Quebec | No Occupation Listed | 1 |
| 2 | onshet | harriatt | F | 38 | Episcopal | English | Quebec | No Occupation Listed | 1 |
| 3 | onshet | james | M | 10 | Episcopal | English | Quebec | No Occupation Listed | 1 |
| 1 | onshet | robert | M | 38 | Episcopal | English | Quebec | Farmers, general and nfs | 1 |
| 6 | orr | alex | M | 27 | Presbyterian | Irish | Quebec | No Occupation Listed | 210 |
| 8 | orr | e | F | 19 | Presbyterian | Irish | Quebec | No Occupation Listed | 210 |
| 5 | orr | john | M | 29 | Presbyterian | Irish | Quebec | No Occupation Listed | 210 |
| 7 | orr | margaret | F | 24 | Presbyterian | Irish | Quebec | No Occupation Listed | 210 |
| 4 | orr | martha | F | 48 | Presbyterian | Irish | Quebec | No Occupation Listed | 210 |
| 10 | orr | martha | F | 15 | Presbyterian | Irish | Quebec | No Occupation Listed | 210 |
| 11 | orr | mary | F | 12 | Presbyterian | Irish | Quebec | No Occupation Listed | 210 |
| 9 | orr | nancy | F | 17 | Presbyterian | Irish | Quebec | No Occupation Listed | 210 |
| 3 | orr | william | M | 52 | Presbyterian | Irish | Ireland | Farmers, general and nfs | 210 |
| 15 | osias | eliza | F | 33 | Roman Catholic | French | Quebec | No Occupation Listed | 77 |
| 14 | osias | levereau | M | 28 | Roman Catholic | French | Quebec | No Occupation Listed | 77 |
| 14 | owhite | john | M | 5 | Universalist | American | Quebec | No Occupation Listed | 265 |
| 13 | owhite | judith | F | 47 | Universalist | American | United States | No Occupation Listed | 265 |
| 12 | owhite | omer | M | 49 | Universalist | American | United States | Farmers, general and nfs | 265 |