Residents of Barrie, Town—Ville — Sub-district F, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 16 | ingo | eleanor | F | 18 | Reformed Episcopal | English | Ontario | No Occupation Listed | 235 |
| 15 | ingo | elizabeth | F | 20 | Reformed Episcopal | English | Ontario | No Occupation Listed | 235 |
| 14 | ingo | john | M | 22 | Reformed Episcopal | English | Ontario | Painters, nfs | 235 |
| 17 | ingo | madge | F | 14 | Reformed Episcopal | English | Ontario | No Occupation Listed | 235 |
| 12 | ingo | mary | F | 49 | Reformed Episcopal | English | England | No Occupation Listed | 235 |
| 11 | ingo | orlando | M | 49 | Reformed Episcopal | English | England | Construction workers nec | 235 |
| 13 | ingo | orlando | M | 24 | Reformed Episcopal | English | Ontario | Carpenters | 235 |
| 18 | ingo | samuel | M | 10 | Reformed Episcopal | English | Ontario | No Occupation Listed | 235 |
| 17 | innis | mary | F | 12 | Roman Catholic | Irish | Ontario | Servants nfs | 476 |
| 18 | irwin | ann | F | 25 | Anglican | Irish | Ontario | No Occupation Listed | 291 |
| 17 | irwin | charlotte | F | 28 | Anglican | Irish | Ontario | No Occupation Listed | 291 |
| 15 | irwin | selina | F | 65 | Anglican | Irish | Ireland | No Occupation Listed | 291 |
| 16 | irwin | selina | F | 29 | Anglican | Irish | Ontario | No Occupation Listed | 291 |
| 24 | ison | henry | M | 43 | Anglican | English | England | Others in building construction | 214 |