Mary Maguire Alden was born in New York City on June 18, 1883. She appeared in her first film when she was 31 years old in the production of _The Second Mrs. Roebuck . She died in Woodland Hills, California, on July 2, 1946.
Graduated from the American Academy of Dramatic Arts in New York City in 1910. Among her classmates were director Paul Bern (who was murdered by his first wife just after marrying Jean Harlow ) and actors Tom Powers and George Shelton. William C. de Mille , whose father named the Academy when he was a teacher there, spoke at the graduation ceremonies for the Class of 1910. He and his brother Cecil B. DeMille also graduated from the Academy.
