Brother of 482 Private James Gavin (KIA), 2341 Trooper John Joseph Gavin, 3261 Private Patrick Joseph Gavin and 3262 Private Stephen Gavin.
George Gavin arrived in Egypt in January 1916. In March he was deployed at Serapeum defending the Suez Canal. In October 1918 he contracted malaria and was admitted to Cairo’s Boulaq Convalescent Depot. He returned to Australia in January 1919.