Eaton is a suburban area located on the banks of the Collie River six kilometres from Bunbury. In 1949 the island in the Collie River opposite Eaton was named Eaton Island, because its original name, Alexander Island, was duplicated. Eaton was nominated by the Bunbury Road Board in honour of Mr Foster Eaton, the late fisheries and game inspector for this area. The name was given in recognition of work he had done in the area. When urban development was commenced in the area in 1951, it was at first referred to as the Collie River Estate, but was soon changed to Eaton due to its proximity to Eaton Island.