Residents of Hamilton, Ward—Quartier No. 3 — Sub-district C, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 3 | inman | william | M | 24 | Methodist | English | Ontario | Teachers (unspecified) | 406 |
| 24 | iott | lydia | F | 10 | Anglican | Unknown | Ontario | No Occupation Listed | 250 |
| 24 | iott | mary | F | 6 | Anglican | Unknown | Ontario | No Occupation Listed | 250 |
| 12 | irevin | john | M | 19 | Methodist | Irish | United States | Tinsmiths and Tinners and Tinkers | 148 |
| 9 | irevin | margret | F | 44 | Methodist | Irish | Ireland | No Occupation Listed | 148 |
| 10 | irevin | minnie | F | 23 | Methodist | Irish | Ontario | No Occupation Listed | 148 |
| 8 | irevin | thomas | M | 45 | Methodist | Irish | Ireland | Manufacturers | 148 |
| 11 | irevin | william | M | 21 | Methodist | Irish | Ontario | Tinsmiths and Tinners and Tinkers | 148 |
| 13 | irevin | william | M | 50 | Anglican | Irish | Ireland | Superintendents and managers, nfs | 148 |
| 6 | irvine | hellen | F | 67 | Presbyterian | Scottish | Scotland | No Occupation Listed | 203 |
| 3 | irvine | robert | M | 42 | Unitarian | Scottish | United States | Ambiguous responses | 72 |
| 24 | irwin | alexander | M | 6 | Presbyterian | Scottish | Ontario | No Occupation Listed | 389 |
| 18 | irwin | edward | M | 18 | Anglican | Irish | Ireland | Servants nfs | 323 |
| 22 | irwin | ellen | F | 40 | Presbyterian | Scottish | United States | No Occupation Listed | 389 |
| 2 | irwin | henry | M | 1 | Presbyterian | Scottish | Ontario | No Occupation Listed | 389 |
| 1 | irwin | margret | F | 2 | Presbyterian | Scottish | Ontario | No Occupation Listed | 389 |
| 23 | irwin | robert | M | 7 | Presbyterian | Scottish | Ontario | No Occupation Listed | 389 |
| 25 | irwin | thomas | M | 4 | Presbyterian | Scottish | Ontario | No Occupation Listed | 389 |
| 21 | irwin | william | M | 39 | Presbyterian | Scottish | Scotland | Carpenters | 389 |
| 6 | izzard | aubrey | F | 6 | Anglican | English | Ontario | No Occupation Listed | 422 |
| 4 | izzard | bertha | F | 10 | Anglican | English | Ontario | No Occupation Listed | 422 |
| 17 | izzard | daisy | F | 10 | Anglican | English | Ontario | No Occupation Listed | 457 |
| 3 | izzard | edith | F | 12 | Anglican | English | Ontario | No Occupation Listed | 422 |
| 1 | izzard | elizabeth | F | 60 | Anglican | English | England | No Occupation Listed | 106 |
| 7 | izzard | ethel | F | 4 | Anglican | English | Ontario | No Occupation Listed | 422 |
| 5 | izzard | gertrude | F | 8 | Anglican | English | Ontario | No Occupation Listed | 422 |
| 25 | izzard | girdlestone | M | 43 | Anglican | English | Ontario | Manufacturers | 422 |
| 2 | izzard | harold | M | 14 | Anglican | English | Ontario | Wire makers | 422 |
| 8 | izzard | hermenia | F | 0 | Anglican | English | Ontario | No Occupation Listed | 422 |
| 15 | izzard | james | M | 38 | Anglican | English | Ontario | Dealer, merchant etc. (Wholesale & retail trade) | 457 |
| 1 | izzard | jane | F | 42 | Anglican | English | England | No Occupation Listed | 422 |
| 18 | izzard | mildred | F | 3 | Anglican | English | Ontario | No Occupation Listed | 457 |
| 16 | izzard | sariah | F | 34 | Anglican | English | England | No Occupation Listed | 457 |
| 25 | izzard | william | M | 33 | Anglican | English | Ontario | Commercial travellers | 106 |