• Born: 8 August 1928, Kilcreggan, Dunbartonshire, Scotland
• Marriage (1): Shirley Ann TILYARD on 1 November 1993 in Launceston, Tasmania, Australia
• Died: 20 April 2002, prob Tasmania, Australia at age 73

Alistair married Shirley Ann TILYARD, daughter of Reginald Frederick TILYARD and Olive Elizabeth Ann KNIGHTS, on 1 November 1993 in Launceston, Tasmania, Australia. The marriage ended in divorce about 1997. (Shirley Ann TILYARD was born on 19 October 1935 in New Norfolk, Tasmania, Australia and died on 13 May 2011 in Devonport, Tasmania, Australia.)