Career
Dunsire was born in November 1891 to Thomas and Elizabeth Anderson Dunsire at Buckhaven in Fife. He enlisted in January 1915 joining the 13th Battalion, The Royal Scots (The Lothian Regiment), British Army. lieutenant was during the First World War when the following deed took place for which he was awarded the Venture capital for his actions during the Battle of Loos, on 26 September 1915.