Residents of Norwich N — Sub-district D, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 21 | irgiva | ada | F | 16 | Methodist | Irish | Ontario | No Occupation Listed | 147 |
| 5 | irvin | allice | F | 0 | Methodist | Irish | Ontario | No Occupation Listed | 275 |
| 3 | irvin | edwin | M | 3 | Methodist | Irish | Ontario | No Occupation Listed | 275 |
| 25 | irvin | eva | F | 9 | Methodist | Irish | Ontario | No Occupation Listed | 275 |
| 22 | irvin | james | M | 36 | Methodist | Irish | Newfoundland | Occupational title unclassifiable | 275 |
| 24 | irvin | james | M | 12 | Methodist | Irish | United States | No Occupation Listed | 275 |
| 23 | irvin | mary | F | 36 | Methodist | English | Ontario | No Occupation Listed | 275 |
| 1 | irvin | mary | F | 6 | Methodist | Irish | Ontario | No Occupation Listed | 275 |
| 4 | irvin | roland | M | 2 | Methodist | Irish | Ontario | No Occupation Listed | 275 |
| 2 | irvin | william | M | 4 | Methodist | Irish | Ontario | No Occupation Listed | 275 |
| 24 | irwin | alex | M | 14 | Quaker/Society of Friends | Irish | Ontario | river drivers | 184 |