Residents of Gravenhurst, Town—Ville — Sub-district B, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 11 | insley | bertha | F | 2 | Anglican | English | England | No Occupation Listed | 91 |
| 8 | insley | jain | F | 5 | Methodist | Irish | Ontario | No Occupation Listed | 91 |
| 5 | insley | martha | F | 24 | Methodist | Irish | Ontario | No Occupation Listed | 91 |
| 7 | insley | mary | F | 6 | Methodist | Irish | Ontario | No Occupation Listed | 91 |
| 4 | insley | peter | M | 36 | Methodist | Irish | United States | Blacksmiths | 91 |
| 9 | insley | peter | M | 3 | Methodist | Irish | Ontario | No Occupation Listed | 91 |
| 10 | insley | robert | M | 0 | Methodist | Irish | Ontario | No Occupation Listed | 91 |
| 6 | insley | william | M | 8 | Methodist | Irish | Ontario | No Occupation Listed | 91 |