Residents of Newmarket, Town—Ville — Sub-district E, surnames Y (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 6 | yates | albert | M | 25 | Anglican | English | United States | Manufacturers | 30 |
| 9 | yates | franklin | M | 29 | Anglican | English | United States | Manufacturers | 30 |
| 13 | yates | hattie | F | 1 | Anglican | English | Ontario | No Occupation Listed | 30 |
| 12 | yates | maggie | F | 3 | Anglican | English | Ontario | No Occupation Listed | 30 |
| 7 | yates | maria | F | 23 | Anglican | Irish | Ontario | No Occupation Listed | 30 |
| 8 | yates | marie | F | 2 | Anglican | English | Ontario | No Occupation Listed | 30 |
| 10 | yates | nellie | F | 22 | Anglican | Scottish | Ontario | No Occupation Listed | 30 |
| 11 | yates | sarah | F | 5 | Anglican | English | Ontario | No Occupation Listed | 30 |