Residents of Mulmur — Sub-district D, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 20 | ireland | catharine | F | 44 | Methodist | Irish | Ontario | No Occupation Listed | 126 |
| 21 | ireland | francis | F | 21 | Methodist | Irish | Ontario | No Occupation Listed | 126 |
| 1 | ireland | george | M | 8 | Methodist | Irish | Ontario | No Occupation Listed | 126 |
| 2 | ireland | hettie | F | 6 | Methodist | Irish | Ontario | No Occupation Listed | 126 |
| 25 | ireland | hugh | M | 9 | Methodist | Irish | Ontario | No Occupation Listed | 126 |
| 19 | ireland | john | M | 46 | Methodist | Irish | Ontario | Farmers, general and nfs | 126 |
| 24 | ireland | john | M | 15 | Methodist | Irish | Ontario | No Occupation Listed | 126 |
| 23 | ireland | robert | M | 17 | Methodist | Irish | Ontario | No Occupation Listed | 126 |
| 22 | ireland | william | M | 19 | Methodist | Irish | Ontario | No Occupation Listed | 126 |
| 5 | irwin | agness | F | 11 | Anglican | Irish | Ontario | No Occupation Listed | 66 |
| 14 | irwin | andrew | M | 36 | Presbyterian | Irish | Ontario | Farmers, general and nfs | 260 |
| 3 | irwin | ann | F | 18 | Methodist | Irish | Ontario | No Occupation Listed | 173 |
| 4 | irwin | ann | F | 1 | Methodist | Irish | Ontario | No Occupation Listed | 95 |
| 3 | irwin | anna | F | 2 | Methodist | Irish | Ontario | No Occupation Listed | 95 |
| 12 | irwin | archabald | M | 34 | Presbyterian | Irish | Ireland | Farmers, general and nfs | 196 |
| 6 | irwin | charlott | F | 8 | Anglican | Irish | Ontario | No Occupation Listed | 66 |
| 5 | irwin | charlott | F | 16 | Anglican | Irish | Ontario | No Occupation Listed | 190 |
| 14 | irwin | elisabeth | F | 7 | Presbyterian | Irish | Ontario | No Occupation Listed | 196 |
| 1 | irwin | elizabeth | F | 23 | Methodist | Irish | Ontario | No Occupation Listed | 173 |
| 8 | irwin | etta | F | 3 | Anglican | Irish | Ontario | No Occupation Listed | 66 |
| 3 | irwin | hamilton | M | 38 | Anglican | Irish | Ontario | Farmers, general and nfs | 66 |
| 14 | irwin | hamilton | M | 0 | Anglican | Irish | Ontario | No Occupation Listed | 190 |
| 7 | irwin | ida | F | 14 | Anglican | Irish | Ontario | No Occupation Listed | 190 |
| 2 | irwin | james | M | 21 | Methodist | Irish | Ontario | No Occupation Listed | 173 |
| 11 | irwin | jenny | F | 6 | Anglican | Irish | Ontario | No Occupation Listed | 190 |
| 4 | irwin | john | M | 16 | Methodist | Irish | Ontario | No Occupation Listed | 173 |
| 8 | irwin | john | M | 12 | Anglican | Irish | Ontario | No Occupation Listed | 190 |
| 4 | irwin | margaret | F | 38 | Anglican | Irish | Ireland | No Occupation Listed | 66 |
| 4 | irwin | margaret | F | 32 | Anglican | Irish | Ireland | No Occupation Listed | 190 |
| 7 | irwin | mary | F | 5 | Anglican | Irish | Ontario | No Occupation Listed | 66 |
| 5 | irwin | mary | F | 15 | Methodist | Irish | Ontario | No Occupation Listed | 173 |
| 6 | irwin | mary | F | 15 | Anglican | Irish | Ontario | No Occupation Listed | 190 |
| 1 | irwin | mary | F | 6 | Methodist | Irish | Ontario | No Occupation Listed | 95 |
| 13 | irwin | mary | F | 28 | Presbyterian | Dutch | Ontario | No Occupation Listed | 196 |
| 25 | irwin | nancy | F | 28 | Methodist | Irish | Ontario | No Occupation Listed | 95 |
| 8 | irwin | oliver | M | 5 | Methodist | Irish | Ontario | No Occupation Listed | 173 |
| 16 | irwin | racheal | F | 1 | Presbyterian | Irish | Ontario | No Occupation Listed | 196 |
| 3 | irwin | richard | M | 46 | Anglican | Irish | Ontario | Farmers, general and nfs | 190 |
| 10 | irwin | richard | M | 8 | Anglican | Irish | Ontario | No Occupation Listed | 190 |
| 24 | irwin | robert | M | 47 | Methodist | Irish | Ontario | Farmers, general and nfs | 173 |
| 6 | irwin | robert | M | 12 | Methodist | Irish | Ontario | No Occupation Listed | 173 |
| 13 | irwin | susan | F | 4 | Anglican | Irish | Ontario | No Occupation Listed | 190 |
| 25 | irwin | thomas | M | 25 | Methodist | Irish | Ontario | No Occupation Listed | 173 |
| 12 | irwin | thomas | M | 5 | Anglican | Irish | Ontario | No Occupation Listed | 190 |
| 9 | irwin | william | M | 10 | Anglican | Irish | Ontario | No Occupation Listed | 190 |
| 24 | irwin | william | M | 33 | Methodist | Irish | Ontario | Farmers, general and nfs | 95 |
| 2 | irwin | william | M | 4 | Methodist | Irish | Ontario | No Occupation Listed | 95 |
| 15 | irwin | william | M | 5 | Presbyterian | Irish | Ontario | No Occupation Listed | 196 |
| 7 | irwin | wm | M | 9 | Methodist | Irish | Ontario | No Occupation Listed | 173 |
| 17 | iseland | mabel | F | 4 | Anglican | Irish | Ontario | No Occupation Listed | 119 |
| 15 | iseland | r | M | 27 | Anglican | Irish | Ontario | No Occupation Listed | 119 |
| 16 | iseland | sarah | F | 23 | Anglican | Irish | Ontario | No Occupation Listed | 119 |