William enlisted on 31st December 1913. He was 19 years old, and was a Butcher by trade. He entered the war in France on 12th August 1914, as part of the Regimental Medical Officer's team for the 2nd Bn. Grenadier Guards. On 3rd February 1917 he was appointed acting Corporal. He served on the Western Front until 30th November 1917 when he returned to England, serving the remainder of the war in the UK. On 29th May 1918 he reverted back to his permanent rank of Private, but he was again appointed acting Corporal on 23rd September 1919. He was transferred to Section "B" Army Reserve on demobilization on 12th April 1920.