Residents of Oakville, T-V — Sub-district D, surnames U (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 16 | underwood | e | M | 38 | Anglican | English | Sri Lanka (Ceylon) | No Occupation Listed | 204 |
| 17 | underwood | mary | F | 30 | Anglican | English | Ireland | No Occupation Listed | 204 |
| 19 | underwood | mary | F | 2 | Anglican | English | Ontario | No Occupation Listed | 204 |
| 18 | underwood | willie | M | 6 | Anglican | English | Ontario | No Occupation Listed | 204 |
| 11 | urquhart | helen | F | 4 | Methodist | Scottish | Ontario | No Occupation Listed | 23 |
| 9 | urquhart | james | M | 9 | Methodist | Scottish | Ontario | No Occupation Listed | 23 |
| 6 | urquhart | john | M | 37 | Presbyterian | Scottish | Ontario | Dealer, merchant etc. (Wholesale & retail trade) | 23 |
| 10 | urquhart | john | M | 10 | Methodist | Scottish | Ontario | No Occupation Listed | 23 |
| 21 | urquhart | magaret | F | 72 | Presbyterian | Scottish | Scotland | No Occupation Listed | 117 |
| 8 | urquhart | maggie | F | 11 | Presbyterian | Scottish | Ontario | No Occupation Listed | 23 |
| 7 | urquhart | mary | F | 30 | Methodist | German | Ontario | No Occupation Listed | 23 |