Writing · b. 1882 Margaret Mayo Biography American actress, playwright and screenwriter. Other Credits Mon bébé Writer 1956 Minäkö isä! Theatre Play 1954 Säg det med blommor Writer 1952 Polly of the Circus Writer 1932 Baby Mine Novel 1928 The Marriage of William Ashe Screenplay 1921 Twin Beds Theatre Play 1920 The Poor Boob Screenplay 1919 Nearly Married Story 1917 Baby Mine Theatre Play 1917 Polly of the Circus Theatre Play 1917 Behind the Scenes Writer 1914 The Jungle Writer 1914 Agent-readable