Born at Wishaw, Scotland Presbyterian. Enlisted 28 August 1915 age 37, machinist. Nok wife, Mary McKay of Aberfoyle, Keane St, Cottesloe Beach. Embarked at Sydney on 20 November 1915 per Te Anau. Served in Papua New Guinea 1915-1916. RTA February 1917 per Massina or Dimboola; both are mentioned on his statement of service. McKay served in the New Guinea Guard and 4th Tropical Force in 1916 but did not see service in a theatre of war therefore entitled to the BWM and not the VM.