Mary Gabrielle (Gay) Thompson (born 29 January 1948) was the Labor member for the South Australian House of Assembly electoral district of Reynell from 1997 to 2014.
Thompson graduated with a Bachelor of Arts degree at the University of Adelaide.
Before entering politics she was a quality consultant and an official of the Administrative and Clerical Officers Association.
[1] Thompson is and has been actively involved in many community committees and programs.
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