Esther Mariette Wood Brady (born 1906) was a children's book author who wrote historical fiction novels for younger readers.

She was born in Akron, New York to Lawrence A. Wood and Ida Eby Wood. Her father was a pastor, and her family lived in Newstead, New York during her young life. By 1920 the family had relocated to Marion, Ohio. On July 29, 1933 she married George Wolfe Brady, an engineer from Anderson, Indiana. At the time of their marriage Esther was living in Marion with her family and working as a secretary. By 1940, Esther, George, and their daughter Caroline had moved to Montclair, New Jersey, where they would continue to reside for several years. For a time Esther worked in public schools tutoring children with reading difficulties. She was also the author of several children's books, including "Toliver's Secret" and "The Toad on Capitol Hill."