Who has been in parliament for the longest?

Black and white photo portrait of Prime Minister Billy Hughes.

William 'Billy' Hughes

National Library of Australia, PIC/9244

William 'Billy' Hughes

Black and white photo portrait of Prime Minister Billy Hughes.

National Library of Australia, PIC/9244

Description

Mr. William Morris 'Billy' Hughes served as Prime Minister of Australia from 1915 to 1923. He is the longest serving member of the Australian Parliament, as he was a member of the House of Representatives from 1901 to 1952.

Thanks for your question. The longest serving member of parliament ever was William 'Billy' Hughes. He was a member of the House of Representatives from 1901 to 1952, and was prime minister from 1915 to 1923.