Residents of Brock — Sub-district E, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 10 | imira | alma | F | 1 | Presbyterian | Scottish | Ontario | No Occupation Listed | 206 |
| 7 | imira | jennet | F | 28 | Presbyterian | Scottish | Ontario | No Occupation Listed | 206 |
| 6 | imira | john | M | 34 | Presbyterian | Scottish | Scotland | Farmers, general and nfs | 206 |
| 8 | imira | john | M | 5 | Presbyterian | Scottish | Ontario | No Occupation Listed | 206 |
| 9 | imira | sterling | M | 3 | Presbyterian | Scottish | Ontario | No Occupation Listed | 206 |
| 16 | innis | annie | F | 18 | Presbyterian | Scottish | Ontario | No Occupation Listed | 77 |
| 13 | innis | bethia | F | 56 | Presbyterian | Scottish | Scotland | No Occupation Listed | 77 |
| 19 | innis | elizabeth | F | 10 | Presbyterian | Scottish | Ontario | No Occupation Listed | 77 |
| 15 | innis | ellen | F | 29 | Presbyterian | Scottish | Ontario | No Occupation Listed | 77 |
| 18 | innis | emily | F | 12 | Presbyterian | Scottish | Ontario | No Occupation Listed | 77 |
| 14 | innis | james | M | 32 | Presbyterian | Scottish | Ontario | Farmers, general and nfs | 77 |
| 17 | innis | john | M | 15 | Presbyterian | Scottish | Ontario | Farmers, general and nfs | 77 |
| 12 | innis | william | M | 66 | Presbyterian | Scottish | Scotland | Farmers, general and nfs | 77 |
| 24 | ionson | jane | F | 77 | Methodist | English | England | No Occupation Listed | 147 |
| 1 | irvine | david | M | 38 | Anglican | Irish | Ontario | Farmers, general and nfs | 34 |
| 3 | irvine | eleanor | F | 5 | Anglican | Irish | Ontario | No Occupation Listed | 34 |
| 2 | irvine | maryann | F | 37 | Anglican | Irish | Ontario | No Occupation Listed | 34 |
| 13 | irwin | agnes | F | 6 | Methodist | Irish | Ontario | No Occupation Listed | 339 |
| 9 | irwin | alfred | M | 18 | Methodist | Irish | Ontario | Labourers nfs | 339 |
| 11 | irwin | annie | F | 13 | Methodist | Irish | Ontario | No Occupation Listed | 339 |
| 8 | irwin | john | M | 22 | Methodist | Irish | Ontario | Labourers nfs | 339 |
| 7 | irwin | margarett | F | 39 | Methodist | Irish | Ontario | No Occupation Listed | 339 |
| 12 | irwin | mary | F | 8 | Methodist | Irish | Ontario | No Occupation Listed | 339 |
| 10 | irwin | rueben | M | 15 | Methodist | Irish | Ontario | Labourers nfs | 339 |
| 6 | irwin | thomas | M | 43 | Methodist | Irish | Ontario | Farmers, general and nfs | 339 |