Residents of Nottawasaga — Sub-district A, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
|---|---|---|---|---|---|---|---|---|---|
| 3 | iritch | nathan | M | 27 | Presbyterian | Scottish | United States | Machinists | 169 |
| 3 | isaac | charles | M | 47 | Methodist | Irish | Ireland | Farmers, general and nfs | 196 |
| 4 | isaac | elizabeth | F | 37 | Plymouth Brethren | English | Ontario | No Occupation Listed | 196 |
| 5 | isaac | william | M | 6 | Plymouth Brethren | English | Ontario | No Occupation Listed | 196 |