She was the daughter of Ernest Forster Walton and music patron Blanche Wetherill Walton,[1] her father was killed in a Grand Central Station train accident in 1901 and she was raised by her mother.
She taught both at her studio in New York City and at Sarah Lawrence College.
[4] Walton was a WPA Federal Art Project artist, for whom she created three 1942 limestone relief pieces, "Indian," "Mine Elevator" and "Campbell's Ledge" for the post office in Pittston, Pennsylvania.
[5] Walton's husband, James Putnam (19 Jun 1893 - 3 Feb 1966) whom she married in 1926,[6] worked for the publishing house, the MacMillan Company.
She was also an early supporter of the American composer Henry Cowell and Aaron Copland[9]