Residents of Warwick — Sub-district I, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 10 | iles | andrew | M | 74 | Anglican | Irish | Ireland | No Occupation Listed | 214 |
| 10 | irvine | agness | F | 1 | Anglican | Irish | Ireland | No Occupation Listed | 180 |
| 16 | irvine | catherine | F | 47 | Anglican | Irish | Ireland | No Occupation Listed | 380 |
| 9 | irvine | matilda | F | 23 | Anglican | Irish | Ireland | No Occupation Listed | 180 |
| 8 | irvine | william | M | 21 | Anglican | Irish | Ireland | Blacksmiths | 180 |
| 15 | irvine | william | M | 48 | Anglican | Irish | Ireland | Farmers, general and nfs | 380 |
| 22 | irwin | aaron | M | 5 | Anglican | Irish | Ontario | No Occupation Listed | 152 |
| 23 | irwin | andrew | M | 3 | Anglican | Irish | Ontario | No Occupation Listed | 152 |
| 21 | irwin | mary | F | 23 | Anglican | English | Ontario | No Occupation Listed | 152 |
| 24 | irwin | mary | F | 1 | Anglican | Irish | Ontario | No Occupation Listed | 152 |
| 20 | irwin | william | M | 27 | Anglican | Irish | Ontario | river drivers | 152 |