Samuel Crawford McMaster was the elder of the two McMaster brothers from Belfast. They played together at South Adelaide in 1914, John enlisting a few weeks after the end of the football season. He was killed at Pozieres in August 1916.
Samuel was a clerk and he enlisted on July 19th 1915, aged 23. He arrived in Egypt with the 10th Reinforcements to the 16th Battalion in late 1915. He served on the Western Front in France in 1916 and 1917 but was plagued with tonsilitis and other ailments. In February 1918 he was returned to Australia and discharged.
Samuel McMaster died in Adelaide in 1967.