Residents of Thorold, Village — Sub-district I, surnames U (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 19 | upper | isabela | F | 79 | Methodist | Scottish | Scotland | No Occupation Listed | 195 |
| 2 | upper | theodore | M | 18 | Methodist | Dutch | Ontario | Blacksmiths | 431 |
| 2 | usher | ada | F | 2 | Presbyterian | English | Ontario | No Occupation Listed | 268 |
| 21 | usher | harriet | F | 39 | Presbyterian | German | United States | No Occupation Listed | 268 |
| 25 | usher | hattie | F | 6 | Presbyterian | English | Ontario | No Occupation Listed | 268 |
| 23 | usher | hudson | M | 12 | Presbyterian | English | United States | No Occupation Listed | 268 |
| 20 | usher | isaac | M | 38 | Anglican | English | England | Carpenters | 268 |
| 24 | usher | james | M | 9 | Presbyterian | English | United States | No Occupation Listed | 268 |
| 1 | usher | mable | F | 4 | Presbyterian | English | Ontario | No Occupation Listed | 268 |
| 22 | usher | maud | F | 13 | Presbyterian | English | United States | No Occupation Listed | 268 |