Private Sydney Ernest Lucas was a 26 year old smelter from Arthur Street, Granville. He was born in Dubbo, and enlisted in Randwick. He was the son of Mrs Margaret Lucas, also of Granville. He enlisted on 21 August 1914 and was assigned to 57 Infantry Battalion, 5 Reinforcements. He was wounded in Gallipoli between 25 and 30 April 1915. He was admitted to a convalescence camp on 19 June 1915. He was admitted to hospital on 4 August 1916. He was invalided to Australia per the Wiltshire on 31 August 1915. He embarked aboard the HMAT Shropshire A9 from Melbourne on 25 September 1916 and returned from Australia on 11 November 1916. He proceeded overseas to France per Princess Clementine from Folkstone on 30 December 1916. He was sent to hospital with measles on 3 May 1917, before being discharged and re-joining his unit on 14 May 1917. He was wounded in action on 26 September 1917, and re-joined his battalion on 29 September 1917. On 21 November 1917 he was admitted to hospital with Bronchitis.

On 11 November 1917 he embarked for England for treatment. He proceeded overseas to France on 22 August 1918 via Folkestone and re-joined his unit on 27 August 1918. He embarked for England with Bronchitis on 11 November 1917. He returned to England for leave from 10 February 1919 to 10 March 1919. He returned to Australia per the Suffolk on 12 April 1919.

Kimberley Russell, Volunteer Research Assistant, City of Parramatta, Parramatta Heritage Centre, 2017