[1] Born in New York, Doris was the daughter of Edward Schroeder and Phoebe Kent.
She attended Brooklyn Girls High School before becoming a stenographer for Rollin S. Sturgeon and then a scenario writer for Vitagraph and Universal.
Schroeder concentrated on Westerns, together with Harrison Jacobs she wrote several entries in the Hopalong Cassidy series.
[3] During the 1950s and 1960s, she wrote many television and film tie-in young adult novels for Western Publishing.
Her brother, Edward Schroeder, eventually moved to Hollywood and became a prolific film editor; he, too, worked on Westerns.