William was a student at Glasgow University. He attested, and was embodied into the 2nd Lowland Divisional Field Ambulance, on 2nd October 1914. He was 20 years and 9 months old, and was living in Glasgow at the time. He was transferred to serve with the 1/2nd Lowland Field Ambulance on 9th May 1915, then embarking at Devonport on 9th June 1915, he sailed to Egypt where he disembarked at Port Said - entering the war in Egypt on 25th June 1915. On 22nd January 1916, he went to Alexandria, then on 10th April 1918, he embarked on H.M.S. ‘Caledonia’ and headed for France, disembarking at Marseilles on 17th. *About 4.00 a.m. on 27th May 1918 the enemy started to shell St Eloi, with the first shell landing on one of the huts occupied by the personnel of this unit. This incident resulted in 10 O/Rs being slightly wounded, 6 O/Rs being severely wounded, 10 O/Rs were instantaneously killed, and 5 O/Rs died from wounds. (*Taken from Unit war diary, kindly provided by Sam Biles). William was one of the 10 instantaneously killed. He was the son of William A Mill (Minister of Summertown Church, Govan.) and Isabel Clunas Mill of Craigend, Park Road., Ibrox, Glasgow.