Williamson studied with Arthur Dow at the Art Students League in NYC and in Paris with Constant and Rodin.
She was a resident of Palo Alto, Berkeley, and Carmel, California from 1913 to 1940. After 1940 she was an art teacher at Palo Alto High School.
Member: National Association of Women Painter's & Sculptors; Palo Alto Art Club; San Francisco Art Association.
Exhibitions: San Francisco Art Association , 1916; Berkeley League of Fine Art,1924; Golden Gate International Exhibition, 1939.
Source: Edan Milton Hughes, Artists in California:1786-1940.