Durack was born on 20 October 1926 in
Subiaco, Western Australia. He was the only child of Pleasance Sarah (née Rowe) and
John Peter Durack. His father, a prominent barrister, was a member of the prominent Durack pastoralist family, being a grandson of
Patrick Durack and nephew of
Michael Durack. Durack began his education at Anglican primary schools in Subiaco and
West Perth, then went on to complete his secondary schooling at
Christian Brothers' College, Perth, and
Aquinas College. He matriculated to the
University of Western Australia (UWA) in 1944, graduating
Bachelor of Laws in 1948 and winning the prize for the top fourth-year law student. He was a co-founder of the UWA Liberal Club in 1945, a member of the university's debating team, president of the
University of Western Australia Student Guild in 1948, and president of the
National Union of Australian University Students from 1948 to 1949. ==State politics==