Residents of London, Ward—Quartier No. 1 — Sub-district A, surnames J (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 17 | jackson | charles | M | 20 | Roman Catholic | English | Ontario | Blacksmiths | 33 |
| 22 | jackson | sarah | F | 72 | Anglican | English | England | No Occupation Listed | 102 |
| 6 | jameson | ann | F | 41 | Baptist | English | Scotland | No Occupation Listed | 60 |
| 14 | japp | james | M | 22 | Baptist | English | England | Porters | 250 |
| 2 | johns | albert | M | 28 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 152 |
| 25 | johns | elizabeth | F | 22 | Wesleyan Methodist | English | Ontario | Dressmakers | 152 |
| 24 | johns | girtrude | F | 55 | Wesleyan Methodist | English | England | No Occupation Listed | 152 |
| 1 | johns | mary | F | 17 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 152 |
| 23 | johns | solamon | M | 50 | Wesleyan Methodist | English | England | Coopers etc. | 152 |
| 17 | johnson | adam | M | 55 | Methodist | Irish | Ireland | Labourers nfs | 86 |
| 16 | johnson | alfred | M | 51 | Baptist | English | England | Boot and shoemakers and repairers | 80 |
| 20 | johnson | alfred | M | 20 | Baptist | English | Ontario | Cabinet makers | 80 |
| 5 | johnson | benjamin | M | 40 | Anglican | Irish | Ontario | Contractors (and builders, U.S.) | 216 |
| 25 | johnson | elizabeth | F | 10 | Baptist | English | Ontario | No Occupation Listed | 80 |
| 6 | johnson | esther | F | 29 | Roman Catholic | English | Ontario | No Occupation Listed | 216 |
| 13 | johnson | francis | M | 19 | Anglican | English | Ontario | Legal clerks | 28 |
| 24 | johnson | george | M | 12 | Baptist | English | Ontario | No Occupation Listed | 80 |
| 23 | johnson | henry | M | 15 | Baptist | English | Ontario | No Occupation Listed | 80 |
| 14 | johnson | james | M | 25 | Anglican | Irish | Ireland | Agent nfs | 129 |
| 18 | johnson | joseph | M | 30 | Baptist | English | England | Musicians | 80 |
| 21 | johnson | lucy | F | 17 | Baptist | English | Ontario | No Occupation Listed | 80 |
| 19 | johnson | mary | F | 22 | Baptist | English | Ontario | Dressmakers | 80 |
| 6 | johnson | mary | F | 56 | Anglican | English | England | No Occupation Listed | 33 |
| 7 | johnson | minnie | F | 20 | Anglican | English | Ontario | No Occupation Listed | 33 |
| 22 | johnson | richard | M | 15 | Baptist | English | Ontario | No Occupation Listed | 80 |
| 25 | johnson | robert | M | 20 | Presbyterian | Scottish | Ontario | Clerk, nfs | 72 |
| 17 | johnson | sarah | F | 47 | Baptist | English | England | No Occupation Listed | 80 |
| 1 | johnson | thomas | M | 6 | Baptist | English | Ontario | No Occupation Listed | 80 |
| 5 | johnson | william | M | 63 | Anglican | English | England | Construction workers nec | 33 |
| 7 | jordan | john | M | 18 | Roman Catholic | Irish | Ontario | Machinists | 86 |
| 5 | joyce | celia | F | 26 | Roman Catholic | Irish | Ireland | No Occupation Listed | 158 |
| 2 | joyce | eliza | F | 38 | Roman Catholic | Irish | Scotland | No Occupation Listed | 1 |
| 4 | joyce | elizabeth | F | 7 | Roman Catholic | Irish | Ontario | No Occupation Listed | 1 |
| 5 | joyce | ellen | F | 3 | Roman Catholic | Irish | Ontario | No Occupation Listed | 1 |
| 3 | joyce | mary | F | 10 | Roman Catholic | Irish | Ontario | No Occupation Listed | 1 |
| 1 | joyce | thomas | M | 43 | Roman Catholic | Irish | Scotland | Manufacturers | 1 |
| 4 | joyce | thomas | M | 40 | Roman Catholic | Irish | Ireland | Labourers nfs | 158 |