People Australia Sonia McMahon peoplepill id: sonia-mcmahonSM 3 views today 12 views this weekAustralian philanthropistSonia McMahonBiographyListsAlso ViewedListsSonia McMahon is in following listsBy work and/or countryNotable Australian SocialitesGender:Female, Born in:Years 1930 to 1969From our partnersSponsoredSonia McMahon