Gwen Thiele (née O'Halloran; 23 March 1918 – 16 November 1979) was an Australian tennis player. She competed in the Australian Open from 1937 to 1965.Gwen Thiele at australianopen.com
She was posthumously inducted into the South Australian Legend's Club in 2019.
She married A.R. Thiele on 30 December 1944.
Grand Slam tournament finals
Doubles (1 runner-up) ResultYearChampionship SurfacePartnerOpponentsScoreLoss 1955 Australian Championships Grass Nell Hall Hopman Mary Bevis Hawton Beryl Penrose 5–7, 1–6
Mixed doubles (1 runner-up) ResultYearChampionship SurfacePartnerOpponentsScoreLoss 1952 Australian Championships Grass Tom Warhurst Thelma Coyne Long George Worthington 7–9, 5–7
References