The village Hinwil from which the later municipality took its name is first mentioned in 745  as Hunichinwilari, in a donation made by Beata and Landolt to the Abbey of Saint Gall.
The village Hinwil, from which the later municipality took its name, is first documented in 745 as Hunichinwilari, in a donation made by Beata and Landolt to the Abbey of Saint Gall.