As a young lady she attended Presbyterian Ladies' College, Melbourne.
Outhwaite worked predominantly with pen and ink, and watercolour.
Her illustrations were exhibited throughout Australia, as well as in London and Paris between 1907 and 1933.
Her works were also published in periodicals and newspapers such as The New Idea, The Native Companion, Australia Today, and the British-Australasian.
A short biography with more information is available at http://www.ortakales.com/illustrators/Outhwaite.html