Residents of Port Hope, T-V — Sub-district B, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 16 | innes | edward | M | 15 | Anglican | Scottish | United States | Labourers nfs | 297 |
| 15 | innes | harriet | F | 31 | Anglican | English | United States | No Occupation Listed | 297 |
| 17 | innes | walter | M | 10 | Anglican | Scottish | Ontario | No Occupation Listed | 297 |
| 16 | irish | john | M | 62 | Anglican | English | England | Labourers nfs | 192 |
| 17 | irish | mary | F | 60 | Anglican | English | Ontario | No Occupation Listed | 192 |
| 18 | irish | mary | F | 17 | Anglican | English | Ontario | No Occupation Listed | 192 |
| 17 | irwin | charles | M | 14 | Presbyterian | Irish | Ontario | No Occupation Listed | 230 |
| 21 | irwin | elizabeth | F | 26 | Anglican | Irish | Ontario | No Occupation Listed | 345 |
| 13 | irwin | elloner | F | 23 | Presbyterian | Irish | Ontario | No Occupation Listed | 230 |
| 14 | irwin | esther | F | 19 | Presbyterian | Irish | Ontario | No Occupation Listed | 230 |
| 20 | irwin | fredrick | M | 6 | Presbyterian | Irish | Ontario | No Occupation Listed | 230 |
| 20 | irwin | hamlin | M | 30 | Anglican | Irish | Ontario | Railway or Railroad Engineers and Enginemen | 345 |
| 18 | irwin | herbert | M | 12 | Presbyterian | Irish | Ontario | No Occupation Listed | 230 |
| 15 | irwin | isabel | F | 17 | Presbyterian | Irish | Ontario | No Occupation Listed | 230 |
| 22 | irwin | james | M | 2 | Anglican | Irish | Ontario | No Occupation Listed | 345 |
| 9 | irwin | john | M | 48 | Presbyterian | Irish | Ireland | Insurance Salesmen and agent | 230 |
| 16 | irwin | john | M | 16 | Presbyterian | Irish | Ontario | No Occupation Listed | 230 |
| 6 | irwin | john | M | 10 | Methodist | Irish | Ontario | No Occupation Listed | 280 |
| 7 | irwin | mable | F | 8 | Methodist | Irish | Ontario | No Occupation Listed | 280 |
| 10 | irwin | margret | F | 48 | Presbyterian | Irish | Ireland | No Occupation Listed | 230 |
| 12 | irwin | margret | F | 24 | Presbyterian | Irish | United States | No Occupation Listed | 230 |
| 4 | irwin | margret | F | 36 | Methodist | Irish | Ontario | No Occupation Listed | 280 |
| 3 | irwin | robert | M | 36 | Methodist | Irish | United States | Engineers (US) nfs | 280 |
| 5 | irwin | robert | M | 12 | Methodist | Irish | Ontario | No Occupation Listed | 280 |
| 23 | irwin | robt | M | 75 | Anglican | Irish | Ireland | No Occupation Listed | 187 |
| 19 | irwin | stewart | M | 8 | Presbyterian | Irish | Ontario | No Occupation Listed | 230 |
| 11 | irwin | william | M | 26 | Presbyterian | Irish | United States | Photographers | 230 |