About William Cox
Born 1936. William Cox is an Australian judge.
William John Ellis Cox, (born 1 April 1936) is an Australian judge who was Governor of Tasmania from 15 December 2004 to 2 April 2008, prior to which he was the state's Chief Justice and Lieutenant Governor.
Early life Born in Hobart to William Ellis Cox (d. 1970) and Alice Mary Mulcahy Cox (d. 1983), William John Ellis Cox was educated at St. Virgil's College, Hobart, He graduated from the University of Tasmania with a Bachelor of Arts and a Bachelor of Laws in 1960 and was admitted to the Bar in the Supreme Court of Tasmania in March 1960. He was appointed a magistrate in 1976, and became a Queen's Counsel in 1978, during his term as the State's Crown Advocate (equivalent to Director of Public Prosecutions). In 1999, Cox was made a Companion of the Order of Australia (AC). He already held the Reserve Force Decoration (RFD) and the Army's Efficiency Decoration (ED) for service in the Royal Tasmania Regiment, which included a brief deployment to Vietnam.
Cox's most high-profile court case was that of Martin Bryant, who shot dead 35 people at Port Arthur on 28 April 1996 and was brought before Cox for his trial six months later. Bryant admitted all 35 murders on 8 November and Cox sentenced him to life imprisonment fourteen days later, recommending that Bryant should stay in prison until he dies.
Governor of Tasmania In August 2004, Cox was appointed to administer the Government of Tasmania upon the resignation of Richard Butler and, in November the Premier, Paul Lennon, announced that he had advised the Queen to appoint Cox as Governor of Tasmania. Cox is only the second Tasmanian-born governor in the state's history.
In November 2015, Cox was appointed to conduct the first five yearly review into the Tasmanian Integrity Commission.
Family Cox and his wife Jocelyn have three children.
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Important facts
People in William Cox's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped William Cox's
Frequently asked questions
Who is William Cox?
Australian judge
When was William Cox born?
William Cox was born on 1 April 1936 in Hobart.
What is William Cox's occupation?
William Cox is a judge.
What nationality is William Cox?
William Cox is Australian.
Sources & further reading
· DBpedia: William Cox (governor)
Cite this page
APA: Biography.guide. (2026). William Cox. https://biography.guide/william-cox-judge/
MLA: "William Cox." Biography.guide, https://biography.guide/william-cox-judge/.
Chicago: "William Cox." Biography.guide. https://biography.guide/william-cox-judge/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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