She became an advocate for child actors’ rights. Her last acting role came as an extra in the 1938 film Having Wonderful Time. Cary has authored seven books. Century Studios burned down in 1926 and many of the Baby Peggy films did not survive. On her 90th birthday she was honored at the Edison Theatre in Niles, California. In 2012 Turner Classic Movies presented the documentary Baby Peggy: The Elephant in the Room. She was married to Robert Cary who passed away in 2001 and the couple had one son together.