Residents of Québec, St. Louis, Ward—Quartier — Sub-district G, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 19 | iavignac | abr | M | 19 | Roman Catholic | French | Quebec | Military, specialisation unknown | 178 |
| 3 | ibbitts | henry | M | 32 | Anglican | English | England | Military, specialisation unknown | 170 |
| 21 | infric | elizabeth | F | 19 | Presbyterian | Scottish | Quebec | No Occupation Listed | 109 |
| 22 | invric | arthur | M | 17 | Presbyterian | Scottish | Quebec | Messengers | 109 |
| 20 | invric | charlotte | F | 21 | Presbyterian | Scottish | Quebec | No Occupation Listed | 109 |
| 23 | invric | fanny | F | 15 | Presbyterian | Scottish | Quebec | No Occupation Listed | 109 |
| 19 | invric | marguerite | F | 50 | Presbyterian | Scottish | Ireland | No Occupation Listed | 109 |
| 22 | irvine | delachems | M | 37 | Anglican | Irish | Ireland | Military officers | 63 |
| 23 | irvine | isabella | F | 33 | Anglican | Irish | Quebec | No Occupation Listed | 63 |