V roce 1914 labouristé vyhráli volby a Lyons byl v tasmánské vládě ministrem financí, vzdělání a železnic. Po prohraných volbách v roce 1916 se stal lídrem opozice.
Joseph Aloysius Lyons, CH (15 September 1879 – 7 April 1939) was an Australian politician who served as the tenth prime minister of Australia, from 1932 until his death in 1939.
Joe Lyons was the Premier of Tasmania before entering federal parliament. He was one of Australia’s longest serving Prime Ministers and co-founded the United Australia Party, which held government from 1931 through to 1941.