Residents of Sunnidale — Sub-district D, surnames Y (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 8 | york | fredric | M | 24 | Presbyterian | Irish | Ontario | Printers nfs | 114 |
| 12 | york | hery | M | 16 | Presbyterian | Irish | Ontario | No Occupation Listed | 114 |
| 10 | york | martha | F | 20 | Presbyterian | Irish | Ontario | Teachers (unspecified) | 114 |
| 7 | york | sarah | F | 26 | Presbyterian | Irish | Ontario | Teachers (unspecified) | 114 |
| 6 | york | sylvia | F | 51 | Presbyterian | Irish | Ontario | No Occupation Listed | 114 |
| 5 | york | thomas | M | 55 | Presbyterian | Irish | Ireland | Medical Doctors and physicians (not UK) | 114 |
| 9 | york | thomas | M | 22 | Presbyterian | Irish | Ontario | Cabinet makers | 114 |
| 11 | york | william | M | 18 | Presbyterian | Irish | Ontario | Teachers (unspecified) | 114 |
| 6 | young | aberham | M | 61 | Methodist | Scottish | Ontario | Labourers nfs | 77 |
| 8 | young | amelia | F | 11 | Methodist | Scottish | Ontario | No Occupation Listed | 77 |
| 7 | young | margret | F | 42 | Baptist | Irish | — | No Occupation Listed | 77 |