Maginel Wright Enright Barney (June 19, 1881-April 18, 1966) was an American children’s book illustrator and graphic artist. She was the younger sister of Frank Lloyd Wright and the mother of Elizabeth Enright.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Maginel_Wright_Enright

Cover for Woman’s World, August 1919 by Maginel Wright Enright Barney
1919 / Ink, watercolor, gouache, and graphite on illustration board
17-1/8″x9-3/16″ / Delaware Art Museum, Wilmington, DE

Maginel Wright Enright Barney on Artnet: http://www.artnet.com/artists/maginel-wright-barney/

Further reading:
https://rockwellcenter.org/essays-illustration/gathering-wood/
https://www.illustrationhistory.org/artists/maginel-wright-enright-barney
https://nha.org/research/nantucket-history/history-topics/nantucket-in-the-art-of-maginel-wright/