Residents of Trenton, T-V — Sub-district B, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 9 | ingram | charles | M | 35 | Anglican | Irish | Ontario | Dentists | 219 |
| 1 | ireland | annie | F | 1 | Methodist | English | Ontario | No Occupation Listed | 160 |
| 21 | ireland | caroline | F | 35 | Methodist | English | Ontario | No Occupation Listed | 160 |
| 23 | ireland | elly | F | 10 | Methodist | English | Ontario | No Occupation Listed | 160 |
| 21 | ireland | hattie | F | 18 | Methodist | Irish | Ontario | No Occupation Listed | 26 |
| 23 | ireland | lillian | F | 6 | Methodist | Irish | Ontario | No Occupation Listed | 26 |
| 22 | ireland | lizzy | F | 12 | Methodist | English | Ontario | No Occupation Listed | 160 |
| 24 | ireland | maggie | F | 7 | Methodist | English | Ontario | No Occupation Listed | 160 |
| 20 | ireland | mary | F | 45 | Methodist | Irish | Ontario | No Occupation Listed | 26 |
| 25 | ireland | stephen | M | 4 | Methodist | English | Ontario | No Occupation Listed | 160 |
| 22 | ireland | william | M | 14 | Methodist | Irish | Ontario | No Occupation Listed | 26 |
| 20 | ireland | william | M | 37 | Methodist | English | Ontario | Dealer, merchant etc. (Wholesale & retail trade) | 160 |
| 22 | irish | charles | M | 10 | Episcopal Methodist | English | Ontario | No Occupation Listed | 140 |
| 21 | irish | george | M | 12 | Episcopal Methodist | English | Ontario | No Occupation Listed | 140 |
| 17 | irish | john | M | 41 | Episcopal Methodist | English | Ontario | Dentists | 140 |
| 19 | irish | octavia | F | 16 | Episcopal Methodist | English | Ontario | No Occupation Listed | 140 |
| 23 | irish | peter | M | 80 | Episcopal Methodist | English | Ontario | No Occupation Listed | 140 |
| 18 | irish | sarah | F | 36 | Episcopal Methodist | English | Ontario | No Occupation Listed | 140 |
| 20 | irish | thomas | M | 14 | Episcopal Methodist | English | Ontario | No Occupation Listed | 140 |
| 24 | irish | william | M | 36 | Episcopal Methodist | English | Ontario | Pedlars and hawkers | 140 |