When Mary Elizabeth Janeczek was born on 7 May 1921, in Northam, Western Australia, Australia, her father, Dominick Stanislaw Xaver Janeczek, was 29 and her mother, Selma Joanne Kuchel, was 26. She married John William Turnbull Stonehouse in 1949, in Canning, Western Australia, Australia. She died on 5 October 1974, in Kenwick, Western Australia, Australia, at the age of 53, and was buried in Karrakatta, Western Australia, Australia.