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William Sylvester O'Shea was born in Ballarat and enlisted from Ballarat East on 5th July 1915. He was a 25 year old, unmarried salesman. He joined the 59th Infantry Battalion, with Regimental No. 3866. He was promoted to Sergeant during his service. He was killed in the trenches in the Polygon Wood area on 29th August 1917, and his name is on the Menin Gate Memorial, Ypres, Belgium.
Tree No. 797