ONTARIO, SIMCOE (South/Sud), Essa, D-4
Subdistrict Link Destinations in the 1911 Census
| Subdistrict | Enum. district | # of links |
| Essa | 5 | 17 |
| Essa | 3 | 16 |
| Innisfil | 11 | 13 |
| Tecumseth | 16 | 5 |
| Townships 13 | 11 | 5 |
| Alliston | 21 | 3 |
| Tecumseth | 18 | 1 |
Irwin, ??ttle I
Irwin, Calvand
Irwin, George
Irwin, Harold N
Irwin, Rachel