Residents of Brockville Town, South Ward—Quartier Sud — Sub-district B, surnames J (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 14 | jack | annie | F | 20 | Presbyterian | Scottish | Ontario | No Occupation Listed | 24 |
| 11 | jack | francis | M | 50 | Presbyterian | Scottish | Scotland | Carpenters | 24 |
| 16 | jack | henry | M | 12 | Presbyterian | Scottish | Ontario | No Occupation Listed | 24 |
| 12 | jack | jennett | F | 45 | Presbyterian | Scottish | Scotland | No Occupation Listed | 24 |
| 13 | jack | secilea | F | 22 | Presbyterian | Scottish | Ontario | Teachers (unspecified) | 24 |
| 15 | jack | william | M | 14 | Presbyterian | Scottish | Ontario | No Occupation Listed | 24 |
| 4 | jackson | annie | F | 26 | Anglican | Scottish | Ontario | No Occupation Listed | 195 |
| 5 | jackson | gordon | M | 0 | Anglican | Blank | Ontario | No Occupation Listed | 195 |
| 25 | jackson | john | M | 37 | Anglican | English | Ontario | Labourers nfs | 99 |
| 3 | jackson | willius | M | 28 | Anglican | English | Ontario | Telegraph operators | 195 |
| 24 | jameason | margrate | F | 77 | Anglican | Scottish | Scotland | No Occupation Listed | 64 |
| 23 | jameason | peter | M | 74 | Anglican | Scottish | Scotland | No Occupation Listed | 64 |
| 6 | jaques | james | M | 22 | Roman Catholic | Irish | United States | No Occupation Listed | 17 |
| 18 | jenkinson | george | M | 23 | Anglican | Scottish | Ontario | Blacksmiths | 44 |
| 19 | jenkinson | rebeca | F | 18 | Anglican | Scottish | Ontario | No Occupation Listed | 44 |
| 13 | johnston | allice | F | 3 | Methodist | English | Ontario | No Occupation Listed | 197 |
| 2 | johnston | edna | F | 0 | Presbyterian | Irish | Ontario | No Occupation Listed | 30 |
| 23 | johnston | eliza | F | 35 | Presbyterian | Irish | Ontario | No Occupation Listed | 30 |
| 5 | johnston | eliza | F | 30 | Presbyterian | Scottish | Scotland | No Occupation Listed | 142 |
| 9 | johnston | elizabeth | F | 37 | Methodist | Irish | Ontario | No Occupation Listed | 197 |
| 10 | johnston | fletcher | M | 37 | Methodist | English | Ontario | Coach, carriage, cart and wagon makers | 197 |
| 12 | johnston | george | M | 13 | Methodist | English | Ontario | No Occupation Listed | 197 |
| 21 | johnston | jane | F | 69 | Methodist | English | England | No Occupation Listed | 63 |
| 9 | johnston | john | M | 21 | Presbyterian | French | Ontario | No Occupation Listed | 59 |
| 7 | johnston | joshua | M | 48 | Presbyterian | French | United States | Occupational title unclassifiable | 59 |
| 8 | johnston | julia | F | 45 | Presbyterian | French | United States | No Occupation Listed | 59 |
| 24 | johnston | leonard | M | 5 | Presbyterian | Irish | Ontario | No Occupation Listed | 30 |
| 11 | johnston | maggey | F | 17 | Methodist | English | Ontario | Clerk, nfs | 197 |
| 22 | johnston | willian | M | 34 | Presbyterian | Irish | Ontario | Dealer, merchant etc. (Wholesale & retail trade) | 30 |