Suzy Frelinghuysen (May 7, 1911-March 19, 1988) was an American abstract painter, and also an opera singer under the name Suzy Morris.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Suzy_Frelinghuysen

Composition: The Ring by Suzy Frelinghuysen
1943 / Oil and collage on masonite / 23-3/4″x19-7/8″ / Private collection

Frelinghuysen on Artnet: http://www.artnet.com/artists/suzy-frelinghuysen/

Further reading:
https://www.sullivangoss.com/artists/suzy-frelinghuysen-1911-1988
https://www.frelinghuysen.org/bios/suzy.html
https://lenoxhistory.org/lenoxhistorypeopleandplaces/modernism-shocks-berkshires-1930s/