The Aborigines Department was created in 1926, taking over the responsibilities for Aborigines for the whole of the state of Western Australia that were divided previously between the Department of the North West and the Department of Fisheries. The Department had the Protector of Aborigines as its head. It was replaced by the Department of Native Affairs in 1936.
The Aborigines Department operated from 1 January 1926 to 1 January 1936.
The State Records Office website provides an overview of the second-named Aborigines Department:
In 1926, a new Aborigines Department was created to administer Aboriginal affairs for the whole of the State. This responsibility had been split across two departments – the Department of the North West and the Department of Fisheries – between the years 1920 and 1926.