Watch Mary Cassatt: Impressionist From Philadelphia for Free: How to Stream the Movie Online at 123Movies. . This documentary portrait is the first to celebrate the only American member of the French Impressionist school and the first American woman to become a famous painter. 'Mary Cassatt Impressionist From Philadelphia' is not only a biography of the artist’s life and work; the film sees both in the context of the status of the woman painter in Victorian America in the second half of the 19th century.