Alastair Ian Scott married Elizabeth Wilson Walters at the University of Glasgow Memorial Chapel, on 4 March 1950. They had two children: Anne and William.
Alastair died in Texas on 18 April 2007, following a heart attack. He was survived by his wife, two children and six grandchildren.
Elizabeth died at her home in Grapevine on 13 September 2016, aged 89.