When Mary Willie Rosson was born on 4 July 1885, in Frankfort, Franklin, Kentucky, United States, her father, Willis Phythian Rosson, was 30 and her mother, Margaret M Adair, was 23. She married William Perry Heath on 20 December 1904, in Kentucky, United States. They were the parents of at least 5 sons and 1 daughter. She died on 9 December 1971, in Bensenville, DuPage, Illinois, United States, at the age of 86, and was buried in Chapel Hill Gardens West, Oakbrook Terrace, DuPage, Illinois, United States.