Residents of St. Léonard — Sub-district J, surnames F (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 25 | ferbcorn | ann | F | 74 | Presbyterian | English | England | No Occupation Listed | 177 |
| 10 | foucault | adelmard | M | 28 | Roman Catholic | French | Quebec | Boot and shoemakers and repairers | 202 |
| 13 | foucault | alfred | M | 4 | Roman Catholic | French | Quebec | No Occupation Listed | 202 |
| 14 | foucault | amanda | F | 2 | Roman Catholic | French | Quebec | No Occupation Listed | 202 |
| 11 | foucault | cornelie | F | 29 | Roman Catholic | French | Quebec | No Occupation Listed | 202 |
| 15 | foucault | emilia | F | 0 | Roman Catholic | French | Quebec | No Occupation Listed | 202 |
| 12 | foucault | josephine | F | 6 | Roman Catholic | French | Quebec | No Occupation Listed | 202 |