- Born
- Died
- Birth nameSonia Rachel Hopkins
- Sonia McMahon was born on August 1, 1932 in Strathfield, New South Wales, Australia. She was married to Billy McMahon. She died on April 2, 2010 in Darlinghurst, New South Wales, Australia.
- SpouseBilly McMahon(December 1965 - March 31, 1988) (his death, 3 children)
- Mother of actor Julian McMahon.
- Her husband served as the.20th Prime Minister of Australia from 10 March 1971 to 5 December 1972.
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