Isabel Florrie Saul was born in Southbourne-on-Sea, Bournemouth, Dorset, England on 21 February 1895 and studied at Bournemouth Municipal School of Art. She was a versatile artist who worked as a painter, etcher, illustrator, illuminator, printmaker, ceramist, and stained glass designer.

She exhibited frequently at the Royal Academy in London between 1926 and 1966. She also exhibited at the Society of Women Artists in London from 1933 to 1968, the Royal Miniature Society in London, and at the Paris Salon. She was elected a Fellow of the Royal Society of Arts (FRSA) and a member of the Royal Miniature Society (RMS). She was also a member of the New Forest Group and exhibited with them.

Among books illustrated by Saul were Summer Flowers by G.M. Faulding (London: Oxford University Press, 1927); and The Book of Battle Abbey Pageant: Descriptive of all Episodes, Eight Hundred Years of History (London: Fleetway Press Ltd., 1932. With Eleanor S. March, she also illustrated The Little Book of Wild Flowers by G. M. Faulding (London: Humphrey Milford Oxford University Press, 1927).

Saul designed at least one poster for British Railways - Bristol Gateway of the West (c.1950).

She painted a portrait of the composer Ralph Vaughan Williams which was exhibited at the Royal Academy in 1958.

Saul sometimes collaborated with her sister, Mary, a calligrapher. She lived for most of her life in Southbourne-on-Sea and died in 1982.

_{Text source: Art History Research net (AHR net)}