Residents of New Hamburg, VL — Sub-district G, surnames O (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 7 | oconnor | annie | F | 22 | Anglican | Irish | Ontario | No Occupation Listed | 76 |
| 24 | oconnor | david | M | 29 | Roman Catholic | Irish | Ontario | Hotel Keepers and Managers | 12 |
| 15 | oconnor | florence | F | 20 | Anglican | Irish | Ontario | No Occupation Listed | 100 |
| 2 | oconnor | fredk | M | 1 | Roman Catholic | Irish | Ontario | No Occupation Listed | 12 |
| 16 | oconnor | geraldine | F | 5 | Anglican | Irish | Ontario | No Occupation Listed | 100 |
| 25 | oconnor | margaret | F | 21 | Roman Catholic | English | Ontario | No Occupation Listed | 12 |
| 1 | oconnor | mary | F | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 12 |
| 12 | oconnor | patk | M | 32 | Roman Catholic | Irish | Ontario | Hotel Keepers and Managers | 12 |
| 16 | ottmann | julia | F | 23 | Roman Catholic | German | Ontario | Factory labourers (non-specified manufacturing) | 148 |
| 21 | otto | annie | F | 65 | Evangelical Association | German | Germany | No Occupation Listed | 19 |
| 13 | otto | elizabeth | F | 16 | Lutheran | German | Ontario | Servants nfs | 162 |
| 12 | otto | emma | F | 18 | Lutheran | German | Ontario | No Occupation Listed | 162 |
| 22 | otto | john | M | 26 | Evangelical Association | German | Germany | Tanners nfs | 19 |
| 10 | otto | jonas | M | 42 | Lutheran | German | Germany | Labourers nfs | 162 |
| 11 | otto | mary | F | 36 | Lutheran | German | Ontario | No Occupation Listed | 162 |
| 14 | otto | nettie | F | 9 | Lutheran | German | Ontario | No Occupation Listed | 162 |
| 20 | otto | siebert | M | 65 | Evangelical Association | German | Germany | No Occupation Listed | 19 |
| 15 | otto | | F | 0 | Lutheran | German | Ontario | No Occupation Listed | 162 |