[1] After graduating Foster created a career that combined portrait painting with illustrating books and the production of advertising material.
For almost twenty years Foster designed promotional material for William Hollins & Co and their various brands which included Viyella and Clydella.
[1] She also created illustrations for Cadbury, Nestlé, Clarks Shoes, Kodak and other brand names.
[3] For a 1923 edition of The Merrie Tales of Jacques Tournebroche by Anatole France she created a set of sixteen wood engravings that were acquired for the British Museum print collection while the Metropolitan Museum of Art in New York holds a set of her prints for Canadian Fairy Tales from 1922.
[1] Foster married the artist and writer Howard Dudley Jarrett in 1925 and died at Wincanton in Somerset.