William was educated at the Irvine Royal Academy, where he was a medallist; and at Glasgow University, where he graduated M.B., C.M. in 1894. Three years later he settled in Birmingham as assistant in a practice which he eventually bought. In 1908 he joined the R.A.M.C. (T.F.) - 1st South Midland Divisional Field Ambulance. On the outbreak of war he was mobilized with the Territorial Force and given the rank of Major. He entered the war in France on 29th March 1915 serving with the 1/1st South Midland Field Ambulance, B Section. In 1917, he was given command of the unit and was promoted to the rank of Lieutenant Colonel. He went with his unit to Italy in November 1917 and was stationed for some time in the neighbourhood of Vicenza, his name being included in the New Years Honours list. In April he was invalided home and underwent an operation from which he never fully recovered. William died in the 1st Southern General Hospital, Birmingham. He was the elder surviving son of William McCall of Irvine, Ayrshire. He was married, and had one son and two daughters of 130 Hamstead Road, Birmingham.