She died of natural causes in La Mesa, California on Thursday (12Jan12).
Maas contributed to over 15 movies between 1925 and 1928, among them The Plastic Age, Rolled Stockings, The First Night, Flesh and the Devil and It, which starred Clara Bow.
She was born in New York City to Russian immigrants in 1990 and later attended Columbia University before landing a job with Universal Pictures as an assistant story writer.
She married fellow screenwriter Ernest Maas in 1927 and, at the time of her death, she was the 44th oldest verified person in the world.
The pioneering screenwriter passed away of natural causes on Thursday (05Jan12). She was the third oldest person in California.
She began her Hollywood career aged 23 and racked up credits for silent films including Flesh and the Devil with Greta Garbo, Dance Madness, His Secretary and The Waning Sex.
Maas also penned the screenplay for 1925's The Plastic Age, acknowledged as the movie which launched Bow's career.
She married Ernest Maas, her writing partner, in the late 1920s but they struggled to sell their scripts in Hollywood after they were wrongly branded communists and blacklisted by industry executives. Ernest died in 1986.