Residents of Brockville Town, North Ward—Quartier Nord — Sub-district D, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 6 | inglis | annie | F | 40 | Presbyterian | Scottish | Ontario | No Occupation Listed | 299 |
| 7 | inglis | katie | F | 7 | Presbyterian | Scottish | Ontario | No Occupation Listed | 299 |
| 8 | inglis | maud | F | 5 | Presbyterian | Scottish | Ontario | No Occupation Listed | 299 |
| 5 | inglis | william | M | 38 | Presbyterian | English | England | Metal polishers and finishers | 299 |
| 19 | irwin | allen | M | 15 | Presbyterian | Irish | Ontario | No Occupation Listed | 51 |
| 21 | irwin | clarance | F | 11 | Presbyterian | Irish | Ontario | No Occupation Listed | 51 |
| 20 | irwin | lizzie | F | 13 | Presbyterian | Irish | Ontario | No Occupation Listed | 51 |
| 22 | irwin | lulu | F | 5 | Presbyterian | Irish | Ontario | No Occupation Listed | 51 |
| 17 | irwin | thomas | M | 43 | Presbyterian | Irish | Ireland | Machinists | 51 |
| 18 | irwin | ththeodosia | F | 39 | Presbyterian | English | Ontario | No Occupation Listed | 51 |