Residents of Guelph, Town—Ville — Sub-district C, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 8 | iddington | agnes | F | 71 | Presbyterian | Scottish | Scotland | No Occupation Listed | 69 |
| 22 | iles | ann | F | 61 | Anglican | English | England | No Occupation Listed | 488 |
| 21 | iles | john | M | 77 | Anglican | English | England | No Occupation Listed | 488 |
| 23 | iles | marth | F | 22 | Anglican | English | Ontario | No Occupation Listed | 488 |
| 24 | iles | robert | M | 21 | Anglican | English | Ontario | Proprietors and executive officials, other transport and communications | 488 |
| 25 | iles | william | M | 18 | Anglican | English | Ontario | No Occupation Listed | 488 |
| 17 | inglis | alexander | M | 11 | Presbyterian | Scottish | Ontario | No Occupation Listed | 103 |
| 14 | inglis | catherine | F | 32 | Presbyterian | Scottish | Scotland | No Occupation Listed | 295 |
| 14 | inglis | ellen | F | 22 | Presbyterian | Scottish | Ontario | No Occupation Listed | 103 |
| 16 | inglis | fredk | M | 13 | Presbyterian | Scottish | Ontario | No Occupation Listed | 103 |
| 12 | inglis | james | M | 34 | Presbyterian | Scottish | England | Machinists | 103 |
| 15 | inglis | jessie | F | 9 | Presbyterian | Scottish | Scotland | No Occupation Listed | 295 |
| 10 | inglis | john | M | 58 | Presbyterian | Scottish | Scotland | Metal casters and workers in metal casting plants | 103 |
| 17 | inglis | kate | F | 3 | Presbyterian | Scottish | Manitoba | No Occupation Listed | 295 |
| 13 | inglis | katty | F | 24 | Presbyterian | Scottish | Ontario | No Occupation Listed | 103 |
| 11 | inglis | margaret | F | 48 | Presbyterian | Scottish | Ontario | No Occupation Listed | 103 |
| 16 | inglis | mary | F | 8 | Presbyterian | Scottish | Ontario | No Occupation Listed | 295 |
| 13 | inglis | thomas | M | 40 | Presbyterian | Scottish | Scotland | Civil engineers | 295 |
| 15 | inglis | willie | M | 16 | Presbyterian | Scottish | Ontario | No Occupation Listed | 103 |
| 4 | innes | helen | F | 44 | Presbyterian | Scottish | Scotland | No Occupation Listed | 216 |
| 17 | innes | herspet | F | 70 | Presbyterian | Scottish | Scotland | No Occupation Listed | 205 |
| 3 | innes | james | M | 44 | Presbyterian | Scottish | Scotland | Superintendents and managers, nfs | 216 |
| 22 | irving | james | M | 50 | Presbyterian | Scottish | Scotland | No Occupation Listed | 325 |