Wife of famous publisher William Morrow. She is well known for her attention to historical detail and her vivid prose. Born in Ottumwa, Iowa to (lawyer) William McCue and Lilly Head McCue. Earned a degree in history from University of Wisconsin and married construction engineer Henry Willsie. Lived in Arizona and wrote western stories for Collier's magazine and Harper's Weekly. Her first novel was "Heart of the Desert" in 1913. She divorced Willsie in 1922 and married William Morrow the next year. They had a son, Richard, and two daughters, Felicia and Anne. She lived part of the year in a cottage in Devon, England.