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Katharine Richardson (24 April 1854 - 20 August 1927) was a British female mountain climber. She was born at Edlington, Yorkshire, and made many ascents in the Alps after 1879. She was well known for the first ascent of Aiguille de Bionnassay and the first female ascent of the Meije in 1888. After this ascent she met Mary Paillon (1848–1946), and they climbed together and lived in the Paillon home at Oullins, Rhône, France, where Richardson died in 1927.
Peter H. Hansen, 'Richardson, (Sarah) Katharine [Katy] (1854–1927)', Oxford Dictionary of National Biography, Oxford University Press, 2004