Lyon studied at the CSFA during the WWI years. She then appears to have had homes in both San Francisco and Paris, France until the onset of WWII. In Paris she was publicity director for Coco Chanel.
Source: Edan Hughes, author of the book "Artists in California, 1786-1940"
CD; SF Chronicle, 1-29-1939, S4/1.Nearly 20,000 biographies can be found in Artists in California 1786-1940 by Edan Hughes and is available for sale ($150). For a full book description and order information please click here