When Mary Johanna Meade was born on 18 May 1882, in Galveston, Galveston, Texas, United States, her father, William Meade, was 38 and her mother, Rosina A. Nichols, was 27. She married Henry James Flavin about 1912, in Galveston, Galveston, Texas, United States. They were the parents of at least 1 son. She died on 8 November 1970, in Houston, Harris, Texas, United States, at the age of 88, and was buried in Houston, Harris, Texas, United States.