Diana Serra Cary (born October 26, 1918), best known as Baby Peggy, was one of the three major American child stars of the Hollywood silent movie era with Jackie Coogan and Baby Marie. In her heyday between 1920 and 1924, she was as famous as most adult stars. Although she earned millions of dollars, like Coogan she saw her fortune squandered by her parents and suffered several nervous breakdowns in young adulthood. She went on to have a career as a book publisher, historian and author on Hollywood subjects under the name Diana Serra Cary.