Residents of Harwich — Sub-district D, surnames Q (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 23 | quackenbush | allen | M | 19 | Methodist | Dutch | Ontario | No Occupation Listed | 156 |
| 22 | quackenbush | cora | M | 21 | Methodist | Dutch | Ontario | Farmers, general and nfs | 156 |
| 4 | quackenbush | gilbert | M | 5 | Methodist | Dutch | Ontario | No Occupation Listed | 156 |
| 20 | quackenbush | isarel | M | 45 | Methodist | Dutch | Ontario | Farmers, general and nfs | 156 |
| 3 | quackenbush | isarel | M | 7 | Methodist | Dutch | Ontario | No Occupation Listed | 156 |
| 1 | quackenbush | james | M | 13 | Methodist | Dutch | Ontario | No Occupation Listed | 156 |
| 24 | quackenbush | matilda | F | 17 | Methodist | Dutch | Ontario | No Occupation Listed | 156 |
| 25 | quackenbush | nancy | F | 15 | Methodist | Dutch | Ontario | No Occupation Listed | 156 |
| 21 | quackenbush | susan | F | 45 | Methodist | English | Ontario | No Occupation Listed | 156 |
| 5 | quackenbush | wilbert | M | 5 | Methodist | Dutch | Ontario | No Occupation Listed | 156 |
| 2 | quackenbush | william | M | 9 | Methodist | Dutch | Ontario | No Occupation Listed | 156 |
| 17 | quinn | timothy | M | 30 | Presbyterian | Irish | Ireland | Farmers, general and nfs | 80 |