Residents of Rockwood — Sub-district D, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 19 | inensbrick | jea | M | 30 | Lutheran | Swedish | Sweden | Labourers nfs | 49 |
| 9 | irwin | alexander | M | 28 | Presbyterian | Irish | Ontario | Farmers, general and nfs | 29 |
| 10 | irwin | jennit | F | 29 | Presbyterian | Scottish | Ontario | No Occupation Listed | 29 |
| 11 | irwin | peter | M | 1 | Presbyterian | Scottish | Manitoba | No Occupation Listed | 29 |
| 12 | irwin | robt | M | 20 | Presbyterian | Irish | Ontario | No Occupation Listed | 29 |
| 21 | isbister | catharine | F | 14 | Anglican | Danish | Manitoba | No Occupation Listed | 6 |
| 25 | isbister | david | M | 6 | Anglican | Danish | Manitoba | No Occupation Listed | 6 |
| 23 | isbister | ellen | F | 10 | Anglican | Danish | Manitoba | No Occupation Listed | 6 |
| 24 | isbister | henry | M | 8 | Anglican | Danish | Manitoba | No Occupation Listed | 6 |
| 18 | isbister | james | M | 50 | Anglican | Danish | Scotland | Mason nfs or combined | 6 |
| 22 | isbister | james | M | 12 | Anglican | Danish | Manitoba | No Occupation Listed | 6 |
| 17 | isbister | jessie | F | 43 | Anglican | Scottish | Manitoba | Farmers, general and nfs | 6 |
| 1 | isbister | jessie | F | 3 | Anglican | Danish | Manitoba | No Occupation Listed | 6 |
| 20 | isbister | neil | M | 16 | Anglican | Danish | Manitoba | No Occupation Listed | 6 |
| 19 | isbister | william | M | 18 | Anglican | Danish | Manitoba | No Occupation Listed | 6 |