Residents of Brockville Town, North Ward—Quartier Nord — Sub-district D, surnames U (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
|---|---|---|---|---|---|---|---|---|---|
| 23 | underwood | jane | F | 61 | Blank | — | No Occupation Listed | 227 | |
| 22 | underwood | richard | M | 60 | Blank | — | No Occupation Listed | 227 | |
| 15 | upham | susan | F | 24 | Anglican | Irish | Ontario | No Occupation Listed | 176 |
| 14 | upham | william | M | 25 | Presbyterian | French | Ontario | Railway breakmen | 176 |