Born in 1926,[1] Davies was a union official for the Western Australian Railway Officers' Union before he was elected to the Western Australian parliament in a by-election for Victoria Park in 1961. He became a member of cabinet in 1971, going on to hold such ministerial portfolios as Health, Environment, Multicultural and Ethnic Affairs, Arts, and Forests, Conservation and Land Management in the Tonkin Ministry.[2] In 1974, with the Labor Party in Opposition, he was a member of the Tonkin Shadow Ministry.