Marilyn Mawn was born on August 25, 1899 in Duddesdon, Birmingham, England, UK. She was an actress, known for Captivation (1931) and Account Rendered (1932). She was previously married to Flight Lieutenant James Alphaeus Glen DSC RAF and Count J E G O'Byrne. She died on June 22, 1962 in Buckinghamshire, England, UK.