Jessie Margaret Edmonston Saxby was an author and folklorist from Unst, one of the Shetland islands in Scotland. She also had political interests and was a suffragette.
Saxby's career started in the 1860s when several of her tales and some poetry were printed. Lichens from the Old Rock, a poetry book, was published in 1868, the first of the 47 books she authored. The subject matter of her books was varied, covering diverse topics such as romantic fiction, folklore but particularly boys adventure stories. She also wrote around 100 articles that were printed in newspapers, journals and magazines like Life and Work and The Boy's Own Paper.