Sonia McMahon

Australian Philanthropist
Born Aug 1, 1932

Sonia McMahon, known from 1977 as Lady McMahon, was the wife of Sir William McMahon, Prime Minister of Australia, and a philanthropist and Sydney socialite.

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1932 Birth Born on August 1, 1932.


1965 32 Years Old Sonia Hopkins worked as an occupational therapist until 1965 when she married William (better known as Billy) McMahon, an aspiring politician in Sir Robert Menzies' government. … Read More
1971 38 Years Old As a prime ministerial spouse from March 1971 to December 1972, Sonia McMahon organised for a nanny to look after the children at the family home in the Sydney suburb of Bellevue Hill, while she lived with her husband at The Lodge, Canberra, attending official duties. … Read More


1977 44 Years Old William McMahon was knighted in 1977, and she became Lady McMahon, although often still referred to as simply Sonia McMahon.


1988 55 Years Old She became a widow in 1988, and in the ensuing years she continued her philanthropic activities. … Read More


2009 76 Years Old On 22 February 2009, Lady McMahon was seriously injured after slipping on the stairs of a luxury pleasure boat owned by her friend, Paul Ramsay. … Read More
She was admitted to intensive care in March 2010 to undergo a procedure to clear her lungs of fluid. … Read More
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