Yes, she didn't move to Scottsdale until 1972.
Don...
PS: You might find out more about your painting through her family members. She was survived by her son, Paul (Claudia) Critchfield; her grandchildren, Tina (Jeff) Critchfield Huber and Kendall Critchfield; and her great grandchildren, Holden and Hayden Huber. The cemetery admin. office where she was buried may be able to provide you with info that will lead to these people--and more info on your painting.