Mary Arnold (tennis)
Mary Arnold Prentiss was an amateur American tennis player of the 1930s, 1940s and 1950s.
She was educated at the Los Angeles City College where she became a member of the Los Angeles Olympia L.T.C.
She participated in the 1939 Wightman Cup, the women's team tennis competition between the United States and Great Britain. She won a doubles match partnering Dorothy Bundy and helped the U.S. team to a 5–2 victory.
Arnold was ranked in the U.S. Top 10 every year between 1939 and 1947. Her highest ranking came in 1942 and 1944 when she was ranked No. 5 in both years.
At the 1948 French Championships, she paired with future International Tennis Hall of Fame inductee Shirley Fry to reach the doubles finals. She also played at the Wimbledon Championships that year and reached the third round in the singles and doubles and the quarterfinal in the mixed doubles event.
At the Tri-State Tennis Tournament, she reached five finals, winning three doubles titles: 1940, 1944 and 1946. She also was a singles finalist in 1941, and was a doubles finalist in 1945. To win her doubles titles in Cincinnati, she paired with Alice Marble in 1940, with Dorothy Bundy in 1944, and with Fry in 1946.Doubles (2 runner-ups)
