Residents of Arnprior, Village — Sub-district M, surnames U (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 4 | upham | dell | F | 16 | Methodist | Irish | Ontario | No Occupation Listed | 297 |
| 1 | upham | jane | F | 45 | Methodist | Irish | Ontario | No Occupation Listed | 297 |
| 2 | upham | john | M | 22 | Methodist | Irish | Ontario | No Occupation Listed | 297 |
| 3 | upham | josephine | F | 19 | Methodist | Irish | Ontario | No Occupation Listed | 297 |
| 6 | usborne | bertha | F | 3 | Anglican | English | Ontario | No Occupation Listed | 116 |
| 4 | usborne | claude | M | 8 | Anglican | English | Ontario | No Occupation Listed | 116 |
| 5 | usborne | gordon | M | 5 | Anglican | English | Ontario | No Occupation Listed | 116 |
| 3 | usborne | jessie | F | 28 | Anglican | Scottish | Ontario | No Occupation Listed | 116 |
| 2 | usborne | john | M | 39 | Anglican | English | Quebec | No Occupation Listed | 116 |