Residents of Nelson — Sub-district I, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 11 | oats | bridget | F | 48 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 135 |
| 10 | oats | ellen | F | 44 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 135 |
| 9 | oats | james | M | 58 | Roman Catholic | Irish | New Brunswick | Farmers, general and nfs | 135 |
| 12 | oats | thomas | M | 88 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 135 |
| 4 | obear | calix | M | 33 | Roman Catholic | French | New Brunswick | Farmers, general and nfs | 74 |
| 6 | obear | james | M | 6 | Roman Catholic | French | New Brunswick | No Occupation Listed | 74 |
| 8 | obear | john | M | 38 | Roman Catholic | French | New Brunswick | Farmers, general and nfs | 75 |
| 13 | obear | john | M | 1 | Roman Catholic | French | New Brunswick | No Occupation Listed | 75 |
| 12 | obear | jude | M | 2 | Roman Catholic | French | New Brunswick | No Occupation Listed | 75 |
| 5 | obear | mary | F | 25 | Roman Catholic | French | New Brunswick | No Occupation Listed | 74 |
| 7 | obear | mary | F | 8 | Roman Catholic | French | New Brunswick | No Occupation Listed | 74 |
| 11 | obear | mary | F | 4 | Roman Catholic | French | New Brunswick | No Occupation Listed | 75 |
| 10 | obear | peter | M | 6 | Roman Catholic | French | New Brunswick | No Occupation Listed | 75 |
| 9 | obear | sarah | F | 1 | Roman Catholic | French | New Brunswick | No Occupation Listed | 75 |
| 17 | obrien | bridget | F | 60 | Roman Catholic | Irish | Ireland | Female farmer | 4 |
| 21 | obrien | jeramiah | M | 28 | Roman Catholic | Irish | New Brunswick | Farmers, general and nfs | 4 |
| 18 | obrien | john | M | 37 | Roman Catholic | Irish | New Brunswick | Farmers, general and nfs | 4 |
| 17 | obrien | john | M | 34 | Roman Catholic | Irish | Nova Scotia | Dealer, merchant etc. (Wholesale & retail trade) | 212 |
| 19 | obrien | maggie | F | 35 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 4 |
| 19 | obrien | maggie | F | 20 | Roman Catholic | Irish | Nova Scotia | No Occupation Listed | 212 |
| 20 | obrien | mary | F | 62 | Roman Catholic | Irish | Ireland | No Occupation Listed | 212 |
| 23 | obrien | michael | M | 22 | Roman Catholic | Irish | New Brunswick | Farmers, general and nfs | 4 |
| 18 | obrien | micheal | M | 30 | Roman Catholic | Irish | Nova Scotia | Surveyors, general and nfs | 212 |
| 20 | obrien | patrick | M | 31 | Roman Catholic | Irish | New Brunswick | Farmers, general and nfs | 4 |
| 22 | obrien | thomas | M | 25 | Roman Catholic | Irish | New Brunswick | Farmers, general and nfs | 4 |
| 9 | odonell | ellen | F | 76 | Roman Catholic | Irish | Ireland | No Occupation Listed | 56 |
| 8 | odonell | francis | M | 0 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 56 |
| 6 | odonell | jane | F | 4 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 56 |
| 7 | odonell | john | M | 2 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 56 |
| 4 | odonell | phillip | M | 36 | Roman Catholic | Irish | New Brunswick | Farmers, general and nfs | 56 |
| 5 | odonell | winefred | F | 32 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 56 |
| 16 | odonnell | cathrine | F | 40 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 53 |
| 16 | oneill | an | F | 47 | Roman Catholic | French | New Brunswick | No Occupation Listed | 44 |
| 20 | oneill | an | F | 11 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 44 |
| 19 | oneill | charles | M | 16 | Roman Catholic | Irish | New Brunswick | Farmers, general and nfs | 44 |
| 15 | oneill | james | M | 56 | Roman Catholic | Irish | New Brunswick | Farmers, general and nfs | 44 |
| 12 | oneill | john | M | 65 | Roman Catholic | Irish | Ireland | Farmers, general and nfs | 42 |
| 21 | oneill | julia | F | 7 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 44 |
| 17 | oneill | peter | M | 26 | Roman Catholic | Irish | New Brunswick | Farmers, general and nfs | 44 |
| 18 | oneill | rosey | F | 20 | Roman Catholic | Irish | New Brunswick | No Occupation Listed | 44 |
| 20 | oshea | alexander | M | 15 | Presbyterian | Irish | New Brunswick | Farmers, general and nfs | 66 |
| 18 | oshea | flora | F | 45 | Presbyterian | Scottish | New Brunswick | No Occupation Listed | 66 |
| 12 | oshea | johannah | F | 60 | Roman Catholic | Irish | Ireland | No Occupation Listed | 51 |
| 19 | oshea | john | M | 17 | Presbyterian | Irish | New Brunswick | Farmers, general and nfs | 66 |
| 22 | oshea | micheal | M | 11 | Presbyterian | Irish | New Brunswick | No Occupation Listed | 66 |
| 6 | oshea | micheal | M | 42 | Roman Catholic | Irish | New Brunswick | Farmers, general and nfs | 129 |
| 21 | oshea | patrick | M | 13 | Presbyterian | Irish | New Brunswick | No Occupation Listed | 66 |
| 23 | oshea | thomas | M | 7 | Presbyterian | Irish | New Brunswick | No Occupation Listed | 66 |
| 17 | oshea | thomnas | M | 55 | Presbyterian | Irish | New Brunswick | Farmers, general and nfs | 66 |