Donald James Harry COOPER was born 1926 in Hitchin, Hertfordshire, England. He married Margaret Annie WINDEBANK 1947 in St. Pancras, London, England. He died 20 July 1955 in Hitchin, Hertfordshire, England. Margaret Annie WINDEBANK, daughter of Charles Steven WINDEBANK and Margaret Mary O'NEILL , was born 29 December 1927 in St. Pancras, London, England. She died 11 October 1996 in Melbourne, Victoria, Australia.