Born in Waterford, Victoria and a Driver by occupation, Gerald Clifford was 18 years and single when enlisted on the 12th of June 1916 in the 3rd Pioneer Battalion, Reinforcement 4, Australian Imperial Force, with the rank of Private, Number 2535. His Unit embarked from Melbourne, Victoria, on board HMAT A16 'Port Melbourne' on the 21st of October 1916. Detached for railway construction West Cappel; on the 23rd of November 1917 admitted to 9th Field Ambulance, Field – Tonsillitis and transferred to the 9th Field Ambulance, Field; transferred to 2nd Australian General Hospital Wimereux – Tonsillitis; on the 1st of December 1917 transferred to England and admitted to 2nd Military Hospital Old Park Canterbury Tonsillitis; transferred to Bermondsey Military Hospital on the 14th of December 1917 and on the 22nd of December 1917 transferred to the 1st Australian Hospital, Harefield. Embarked return to Australia per 'Rio Pardo' ex England on the 27th of May 1919. Disembarked at Melbourne on the 16th of July 1917 and discharged from the A.I.F. at Melbourne on the 28th of August 1919 with the Termination of Period of Enlistment. Tree No. 2859