In 1938, at 18 years old, Cusack became the Secretary of the newly formed Maryborough Amateur Swimming Club.
10 Facts About Arthur Cusack
In 1962, Arthur Cusack was appointed as a coach on the Australian 1962 Commonwealth Games team in Perth.
In 1970, Arthur Cusack was again named as a coach on the Australian Commonwealth Games team for the Edinburgh Games, this time as coach of the Women's team.
Arthur Cusack was the coach of Olympic Gold medal winner David Theile, who won gold in the 100m backstroke in the 1956 Melbourne Olympics and the 1960 Rome Olympics.
Arthur Cusack coached Ann Margaret Nelson, a finalist in the 110-yard backstroke in the Cardiff 1958 British Empire and Commonwealth Games, where she finished fifth with a time of 1.15.5, behind Judy Grinham of England.
Arthur Cusack is the great uncle of Simon Cusack, Robert Cusack's son.
Simon Arthur Cusack is the head Coach of Commercial Swimming Club, where he coaches Australian swimmers Cate Campbell, Bronte Campbell and Christian Sprenger.
Arthur Cusack introduced a backstroke turn and a bent-arm stroke to assist David Theile in his quest for Olympic gold.
Arthur Cusack was a member of the Australian Olympic Committee for many years.
On 24 December 2007, at the Queensland Swimming championships in Brisbane, Queensland, Arthur Cusack was posthumously inducted into the Queensland Swimming Association Hall of Fame.