The structure of the parliament was changed and its membership reduced by the Constitution Act Amendment Act, 1901. The new Wooroora district elected three members and comprised the former Wooroora and Light districts.[2]
According to South Australian historian Geoff Manning, the name derives from an Aboriginal name for the area, the (central) Adelaide Plains, about 90 kilometres (56 mi) north of Adelaide (roughly where the Wakefield River crosses the plain).[3]