Philanthropist
Pensacola, Escambia County
Washington, D.C., District of Columbia
United States
Mary Knowles (* 28. June 1912 in Pensacola; † 9. July 2002 in Washington, D.C.) was a philanthropist. She was 90 years old. She was married to Frank Gardiner Wisner and Clayton Fritchey. She had at least 1 child (1 son).