When Leslie Samuel York Sutton was born on 23 March 1881, in Launceston, Tasmania, Australia, his father, Samuel John Sutton, was 44 and his mother, Emma Eliza Farmilo, was 24. He married Ina Simpson on 22 April 1911, in Melbourne, Victoria, Australia. He died on 3 August 1957, in his hometown, at the age of 76.