[1] Allan was born in Bromley in Kent and attended the Central School of Arts and Crafts in 1928.
[2] She became a student at the Slade School of Fine Art in 1930 and would spend five years there.
[3] During a long career Allan showed works at the Royal Academy and with both the New English Art Club and the London Group.
[2] During World War Two, Allan worked for the Women's Voluntary Service, WVS, in Fairford, Gloucestershire, on evacuee settlement duties.
[4] A solo exhibition of her work was held at the Upper Grosvenor Galleries in 1971.