Residents of Greenock — Sub-district G, surnames J (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 4 | jackson | anne | F | 20 | Anglican | Irish | Ontario | No Occupation Listed | 328 |
| 3 | jackson | david | M | 23 | Anglican | Irish | Ontario | Farmers, general and nfs | 328 |
| 2 | jackson | elen | F | 45 | Anglican | Irish | Ontario | No Occupation Listed | 328 |
| 5 | jackson | george | M | 18 | Anglican | Irish | Ontario | No Occupation Listed | 328 |
| 13 | jackson | john | M | 40 | Anglican | Irish | Ontario | Farmers, general and nfs | 330 |
| 7 | jackson | mary | F | 9 | Anglican | Irish | Ontario | No Occupation Listed | 328 |
| 1 | jackson | robert | M | 52 | Anglican | Irish | Ontario | Farmers, general and nfs | 328 |
| 6 | jackson | robert | M | 16 | Anglican | Irish | Ontario | No Occupation Listed | 328 |
| 10 | jardine | john | M | 25 | Presbyterian | Scottish | Ontario | Servants nfs | 324 |
| 10 | jenkling | ellen | F | 25 | | English | Ontario | No Occupation Listed | 84 |
| 13 | jenkling | elmina | F | 0 | | English | Ontario | No Occupation Listed | 84 |
| 9 | jenkling | joseph | M | 27 | | English | Ontario | Farmers, general and nfs | 84 |
| 12 | jenkling | mary | F | 2 | | English | Ontario | No Occupation Listed | 84 |
| 11 | jenkling | robert | M | 4 | | English | Ontario | No Occupation Listed | 84 |
| 18 | jeoblar | hellena | F | 75 | Lutheran | German | Germany | No Occupation Listed | 123 |
| 23 | johnson | ann | F | 25 | Anglican | Irish | Ireland | No Occupation Listed | 108 |
| 2 | johnson | charles | M | 1 | Methodist | American | Ontario | No Occupation Listed | 249 |
| 25 | johnson | elizabeth | F | 22 | Methodist | English | Ontario | No Occupation Listed | 249 |
| 12 | johnson | george | M | 25 | Presbyterian | Scottish | Scotland | Cartwrights and wheelwrights | 201 |
| 22 | johnson | john | M | 30 | Anglican | Irish | Ireland | Farmers, general and nfs | 108 |
| 25 | johnson | john | M | 2 | Anglican | Irish | Ontario | No Occupation Listed | 108 |
| 1 | johnson | margret | F | 23 | Methodist | American | Ontario | No Occupation Listed | 249 |
| 24 | johnson | mary | F | 4 | Anglican | Irish | Ontario | No Occupation Listed | 108 |
| 24 | johnson | william | M | 38 | Methodist | Irish | Ontario | Farmers, general and nfs | 249 |
| 8 | joliffe | alanda | M | 6 | Anglican | English | Ontario | No Occupation Listed | 312 |
| 9 | joliffe | charles | M | 4 | Anglican | English | Ontario | No Occupation Listed | 312 |
| 7 | joliffe | jennie | F | 9 | Anglican | English | Ontario | No Occupation Listed | 312 |
| 5 | joliffe | john | M | 36 | Anglican | English | Ontario | Farmers, general and nfs | 312 |
| 6 | joliffe | sarah | F | 33 | Anglican | English | Ontario | No Occupation Listed | 312 |
| 25 | jones | agnis | F | 30 | Anglican | Irish | Ireland | No Occupation Listed | 55 |
| 24 | jones | john | M | 35 | Anglican | Irish | Ireland | Labourers nfs | 55 |