Residents of Windsor, T-V — Sub-district C, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 14 | obrien | annie | F | 24 | Anglican | Scottish | Nova Scotia | No Occupation Listed | 73 |
| 24 | obrien | bessie | F | 23 | Methodist | English | Nova Scotia | Dealer, merchant etc. (Wholesale & retail trade) | 90 |
| 3 | obrien | cathrine | F | 36 | Presbyterian | Irish | Nova Scotia | No Occupation Listed | 116 |
| 2 | obrien | edward | M | 66 | Presbyterian | Irish | Nova Scotia | Customs officers | 116 |
| 21 | obrien | edward | M | 32 | Presbyterian | Irish | Nova Scotia | Farmers, general and nfs | 123 |
| 24 | obrien | edward | M | 2 | Anglican | English | Nova Scotia | No Occupation Listed | 90 |
| 12 | obrien | eliza | F | 22 | Presbyterian | Irish | Nova Scotia | No Occupation Listed | 34 |
| 12 | obrien | fannie | F | 27 | Methodist | Irish | Nova Scotia | No Occupation Listed | 88 |
| 16 | obrien | george | M | 1 | Anglican | Scottish | Nova Scotia | No Occupation Listed | 73 |
| 14 | obrien | james | M | 26 | Methodist | Irish | Nova Scotia | Farmers, general and nfs | 88 |
| 15 | obrien | jane | F | 3 | Anglican | Scottish | Nova Scotia | No Occupation Listed | 73 |
| 24 | obrien | jane | F | 3 | Anglican | English | Nova Scotia | No Occupation Listed | 236 |
| 16 | obrien | lucy | F | 23 | Methodist | Irish | Nova Scotia | Dressmakers | 273 |
| 22 | obrien | margaret | F | 40 | Presbyterian | Irish | Nova Scotia | No Occupation Listed | 123 |
| 23 | obrien | margaret | F | 22 | Anglican | English | New Brunswick | No Occupation Listed | 90 |
| 25 | obrien | margaret | F | 0 | Anglican | English | Nova Scotia | No Occupation Listed | 90 |
| 13 | obrien | mary | F | 25 | Methodist | Irish | Nova Scotia | No Occupation Listed | 88 |
| 23 | obrien | robert | M | 19 | Presbyterian | Irish | — | Farmers, general and nfs | 123 |
| 11 | obrien | sarah | F | 56 | Presbyterian | Irish | Nova Scotia | No Occupation Listed | 34 |
| 13 | obrien | william | M | 24 | Presbyterian | Irish | Nova Scotia | Farmers, general and nfs | 73 |
| 11 | obrien | william | M | 81 | Methodist | Irish | Nova Scotia | Farmers, general and nfs | 88 |
| 22 | obrien | william | M | 35 | Presbyterian | Irish | Nova Scotia | Ships Masters and captains (Sea or Inland Waterways) | 90 |
| 17 | obrien | | M | 0 | Anglican | Scottish | Nova Scotia | No Occupation Listed | 73 |
| 23 | oram | elisabeth | F | 0 | Anglican | English | Nova Scotia | No Occupation Listed | 176 |
| 22 | oram | fred | M | 2 | Anglican | English | Nova Scotia | Farmers, general and nfs | 176 |
| 21 | oram | haller | M | 5 | Anglican | English | Nova Scotia | No Occupation Listed | 176 |
| 20 | oram | lucy | F | 28 | Anglican | English | Nova Scotia | No Occupation Listed | 176 |
| 24 | osborne | william | M | 47 | Presbyterian | Scottish | Scotland | Piano Makers | 263 |
| 12 | oshaughency | ellen | F | 50 | Roman Catholic | Irish | — | Hotel Keepers and Managers | 266 |
| 13 | oshaughency | ellen | F | 18 | Roman Catholic | Irish | — | No Occupation Listed | 266 |
| 16 | oshaughency | james | M | 10 | Roman Catholic | Irish | — | No Occupation Listed | 266 |
| 14 | oshaughency | margarit | F | 16 | Roman Catholic | Irish | — | No Occupation Listed | 266 |
| 15 | oshaughency | sophia | F | 13 | Roman Catholic | Irish | — | No Occupation Listed | 266 |
| 19 | ouseley | francis | F | 9 | Anglican | English | Nova Scotia | No Occupation Listed | 78 |
| 20 | ouseley | fred | M | 8 | Anglican | English | Nova Scotia | No Occupation Listed | 78 |
| 22 | ouseley | georgeina | F | 3 | Anglican | English | Nova Scotia | No Occupation Listed | 78 |
| 15 | ouseley | john | M | 41 | Anglican | English | Nova Scotia | lawyer | 78 |
| 18 | ouseley | mary | F | 12 | Anglican | English | Nova Scotia | No Occupation Listed | 78 |
| 21 | ouseley | miriam | F | 6 | Anglican | English | Nova Scotia | No Occupation Listed | 78 |
| 16 | ouseley | rosina | F | 37 | Anglican | English | Nova Scotia | No Occupation Listed | 78 |
| 17 | ouseley | rosina | F | 15 | Anglican | English | Nova Scotia | No Occupation Listed | 78 |
| 23 | ouseley | william | M | 2 | Anglican | English | Nova Scotia | No Occupation Listed | 78 |