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 origin of the name "Hinwil" can be traced back to a donation made in 745 by Beata and Landolt to the Abbey of Saint Gall. This donation is documented as Hunichinwilari, which later evolved into Hinwil.