Residents of St. Hyacinthe, City—Cité — Sub-district A, surnames Y (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 18 | yaddu | soeur | F | 57 | Roman Catholic | French | Quebec | Members of religious orders | 295 |
| 15 | yam | adelard | M | 5 | Roman Catholic | French Canadian | Canada | No Occupation Listed | 344 |
| 16 | yam | albina | F | 0 | Roman Catholic | French Canadian | Canada | No Occupation Listed | 344 |
| 14 | yam | arthur | M | 7 | Roman Catholic | French Canadian | Canada | No Occupation Listed | 387 |
| 15 | yam | ernest | M | 3 | Roman Catholic | French Canadian | Canada | No Occupation Listed | 387 |
| 9 | yam | eusibe | M | 38 | Roman Catholic | French Canadian | Canada | Drivers (general haulage) | 387 |
| 13 | yam | graziella | F | 9 | Roman Catholic | French Canadian | Canada | No Occupation Listed | 387 |
| 11 | yam | hercule | M | 15 | Roman Catholic | French Canadian | Canada | Drivers (general haulage) | 387 |
| 12 | yam | remi | M | 46 | Roman Catholic | French Canadian | Canada | Farmers, general and nfs | 344 |
| 14 | yam | rosa | F | 8 | Roman Catholic | French Canadian | Canada | No Occupation Listed | 344 |
| 10 | yam | rosalie | F | 40 | Roman Catholic | French Canadian | Canada | No Occupation Listed | 387 |
| 12 | yam | valerie | F | 11 | Roman Catholic | French Canadian | Canada | No Occupation Listed | 387 |
| 13 | yam | zoe | F | 33 | Roman Catholic | French Canadian | Canada | No Occupation Listed | 344 |
| 13 | youthier | rosanna | F | 20 | Roman Catholic | French | Quebec | Dressmakers | 156 |