Residents of St. Roch, South —Sud — Sub-district C, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 13 | ignac | pierre | M | 25 | Roman Catholic | French | Quebec | Drivers (general haulage) | 398 |
| 25 | irbe | anny | F | 40 | Roman Catholic | French | Quebec | Servants nfs | 258 |
| 18 | isabelle | cyrille | M | 14 | Roman Catholic | French | Quebec | Factory labourers (non-specified manufacturing) | 320 |
| 21 | isabelle | henri | M | 5 | Roman Catholic | French | Quebec | No Occupation Listed | 320 |
| 17 | isabelle | henriette | F | 35 | Roman Catholic | French | Quebec | No Occupation Listed | 320 |
| 22 | isabelle | joseph | M | 4 | Roman Catholic | French | Quebec | No Occupation Listed | 320 |
| 23 | isabelle | jules | M | 2 | Roman Catholic | French | Quebec | No Occupation Listed | 320 |
| 19 | isabelle | lucie | F | 12 | Roman Catholic | French | Quebec | No Occupation Listed | 320 |
| 16 | isabelle | napoleon | M | 29 | Roman Catholic | French | Quebec | Painters, nfs | 320 |
| 20 | isabelle | xavier | M | 8 | Roman Catholic | French | Quebec | No Occupation Listed | 320 |