Madame Yevonde was the professional name of photographer Yevonde Cumbers.
Biography on British Council website:
http://visualarts.britishcouncil.org/collection/artists/yevonde-madame-1893

Writer, artist and dancer Doris Louise Cleghorn Church / c.1915
Matte collodion printing-out paper print / National Portrait Gallery, London, UK

Motor-racing driver and aviator Jill Scott / Photographed 1938
Modern Vivex colour print, 1990 / National Portrait Gallery, London, UK

Madame Yevonde, NPG collection: https://www.npg.org.uk/collections/search/person/mp06547

Further reading:
https://awarewomenartists.com/en/artiste/madame-yevonde/
https://hundredheroines.org/historical-heroines/madame-yevonde-hundred-heroines/
https://www.theglassmagazine.com/madame-yevonde/