Frank Gavan Duffy

The Right Honourable Sir Frank Gavan Duffy KCMG KC
Portrait of Gavan Duffy in the early 20th century.
4th Chief Justice of Australia
In office 22 January 1931 – 1 October 1935
Nominated by	James Scullin
Appointed by	Sir Isaac Isaacs
Preceded by	Sir Isaac Isaacs
Succeeded by	Sir John Latham
Justice of the High Court of Australia
In office 1 February 1913 – 22 January 1931
Nominated by	Andrew Fisher
Appointed by	The 3rd Baron Denman
Preceded by	Richard O'Connor
Succeeded by	none*
Personal details
Born	(1852-02-29)29 February 1852 Dublin, Ireland
Died	29 July 1936(1936-07-29) (aged 84)
Nationality	Irish
*Due to the Great Depression, no Justice was appointed to the Court upon the retirement of Isaacs and the promotion of Gavan Duffy.

Sir Frank Gavan Duffy, KCMG, KC (29 February 1852 – 29 July 1936), Australian judge, was the fourth Chief Justice of the High Court of Australia, sitting on the bench of the High Court from 1913 to 1935.

Duffy was born in Dublin, Ireland, on 29 February 1852, the son of Sir Charles Gavan Duffy, who was later to become a member of the Victorian Legislative Assembly, and the eighth Premier of Victoria.

He travelled to Australia with his family in 1856, but later went to England to study at Stonyhurst College in Lancashire. In 1869, Duffy returned to Australia and attended the University of Melbourne, graduating in 1872 with a Bachelor of Arts.

At this time, he began to work in the public service, and started to study law.'

In 1874, Duffy was called to the Victorian Bar, and began practising as a barrister in 1875. Over the next few years, Duffy contributed to the second edition of Casey's Justices Manual, published in 1879, and in the same year founded the Australian Law Times. He edited this publication until 1883. Over the next twenty years, Duffy published many more works on various pieces of legislation.

Duffy was caught up in the financial crisis of 1893, but over time paid back his debts. He was appointed a Queen's Counsel in 1900, and between 1902 and 1910 he lectured on contract law at the University of Melbourne. He often appeared on behalf of the Commonwealth in constitutional cases in the High Court of Australia where his name is listed in the Commonwealth Law Reports as Duffy KC. In 1907, Duffy became the editor of the Victorian Law Reports. By 1910, Duffy was widely regarded as the most prominent Victorian lawyer, and the unofficial leader of the Victorian Bar.