She wrote short stories for pulp magazines such as Adventure,[2] including several based on 14th-century condottiere John Hawkwood.

Her novel The Firefly of France, based on the life of Georges Guynemer, was adapted to a film.

[3] Her other novels are Sir John Hawkwood: A Tale of the White Company in Italy, The Three Bags, The Burgundian: A Tale of Old France, and Harlette (which is a retelling of her short story "When the Devil Ruled", which had been published in the April 1913 edition of The Smart Set magazine).

The daughter of Frank M. Angellotti, a judge, and his wife, Emma Cornelia Cearley (sometimes mistranscribed as Clearey), Marion Polk Angellotti served as a volunteer canteen worker with the American Red Cross from 1918 to 1919, being with an evacuation hospital during the Saint Michel offensive, and with the Army of Occupation in Germany.

[3] She died in April 1979, aged 91, and was buried in Bellevue Memorial Park, Ontario, California.