She won 16 titles overall at the U.S. Championships , four of them in singles ( 1909 -- 11 , 1919 ) .
Wightman won a lifetime total of 45 U.S. titles , the last at age 68 .
Wightman won 16 titles overall at the U.S. Championships , four of them in singles ( 1909 -- 11 , 1919 ) .
Wightman won a lifetime total of 45 U.S. titles , the last at age 68 .