Residents of Newmarket, Town—Ville — Sub-district E, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 15 | ironside | christina | F | 64 | Presbyterian | Scottish | Scotland | No Occupation Listed | 314 |
| 17 | ironside | edmund | M | 19 | Presbyterian | Scottish | Ontario | Butchers | 314 |
| 16 | ironside | george | M | 28 | Presbyterian | Scottish | Ontario | Butchers | 314 |
| 13 | ironsides | john | M | 34 | Presbyterian | English | Ontario | Butchers | 191 |
| 15 | ironsides | john | M | 10 | Presbyterian | English | Ontario | No Occupation Listed | 191 |
| 14 | ironsides | margaret | F | 33 | Presbyterian | English | England | No Occupation Listed | 191 |
| 14 | irving | edward | M | 35 | Anglican | English | Ontario | No Occupation Listed | 404 |
| 3 | irving | paulus | M | 24 | Anglican | Scottish | Ontario | barrister | 265 |