Bachelor of Medicine and Bachelor of Surgery, Otago Medical School, New Zealand, 1945. Department of Community Health, Institute Child Health, England, 1952. MCCM, New Zealand, 1980.
Resident New Plymouth Hospital, New Zealand, 1945-1947. Accident & emergency Napier Hospital, New Zealand, 1947-1950, general practice New Zealand, 1950-1952. Medical officer Department Health, Auckland, 1954-1978.
Research officer O&G, 1968-1972. Administrator New Zealand Cot Death Association, 1979-1997. Research fellow New Zealand Cot Death Association, 1995-1997.
Children's epidemiologist Wellington Hospital Unit, 1970, 75, 80.
Founder, board directors New Zealand Cot Death Association. Member New Zealand Paediatric Society (life).
Married John Carussoe Tonkin, May 4, 1947 (deceased). Children: Leslie John, Heather Shirley.