Alasdair was the son of James McLean Coyle and Celia Torbet. The date and place of his birth have not been found.
Alasdair Coyle
James McLean Coyle (1941-)
Patrick (Pat)Redmond Coyle (1914-2002)
Georgina Torrance (Ina) McLean (1917-)
Alexander McLean (1884-1967)
Georgina Torrance (1887-1956)
Celia Torbet