Born in San Francisco, CA on Oct. 11, 1886. Treadwell studied at the Mark Hopkins Art Institute. In 1911 she married Milton Horswill, a mining engineer, and lived in Oakland until her death of influenza on Feb. 26, 1922. She was the sister of artist Thalia Treadwell. Exh: San Francisco Art Association, 1898.
Source: Edan Hughes, "Artists in California, 1786-1940"
SF Call, 5-20-1911; Death record.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