American playwright and screenwriter, best known as the author of the play "Lilac Time" (1917), co-written with her actress friend Jane Cowl. Murfin started in Hollywood as a scenarist with Vitagraph in 1913. For a while, she headed her own production company (1920-26) in conjunction with her director-husband Laurence Trimble, mostly making films featuring Strongheart the Dog. Subsequently, she worked under contract as a screenwriter for RKO (1929-36) and MGM (1938-44), specialising in romantic comedies, including classics like
Roberta (1935),
Alice Adams (1935),
Come and Get It (1936) and
The Women (1939).