Residents of London, Ward—Quartier No. 3 — Sub-district C, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 12 | ingrim | fredrick | M | 8 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 310 |
| 9 | ingrim | john | M | 40 | Wesleyan Methodist | Irish | Ireland | Carpenters | 310 |
| 14 | ingrim | joseph | M | 0 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 310 |
| 13 | ingrim | mable | F | 4 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 310 |
| 10 | ingrim | mary | F | 37 | Wesleyan Methodist | Irish | Ireland | No Occupation Listed | 310 |
| 11 | ingrim | tilly | F | 13 | Wesleyan Methodist | Irish | Ontario | No Occupation Listed | 310 |
| 16 | innes | jennette | F | 88 | Roman Catholic | Scottish | Scotland | No Occupation Listed | 136 |
| 6 | irwin | ann | F | 45 | Roman Catholic | Irish | Ireland | Washing and laundry services | 255 |
| 8 | irwin | anthony | M | 24 | Roman Catholic | Irish | Ontario | Plasterers | 255 |
| 10 | irwin | bridget | F | 21 | Roman Catholic | Irish | Ontario | No Occupation Listed | 255 |
| 16 | irwin | frederick | M | 1 | Roman Catholic | Irish | Ontario | No Occupation Listed | 255 |
| 11 | irwin | george | M | 18 | Roman Catholic | Irish | Ontario | Labourers nfs | 255 |
| 5 | irwin | james | M | 55 | Roman Catholic | Irish | Ireland | No Occupation Listed | 255 |
| 7 | irwin | john | M | 26 | Roman Catholic | Irish | England | Other chemical processors and related workers | 255 |
| 12 | irwin | lizzie | F | 10 | Roman Catholic | Irish | Ontario | No Occupation Listed | 255 |
| 15 | irwin | louisa | F | 5 | Roman Catholic | Irish | Ontario | No Occupation Listed | 255 |
| 9 | irwin | mary | F | 22 | Roman Catholic | Irish | Ontario | Washing and laundry services | 255 |
| 13 | irwin | sarah | F | 9 | Roman Catholic | Irish | Ontario | No Occupation Listed | 255 |
| 14 | irwin | william | M | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 255 |