Catherine was the daughter of unknown parents. The date and place of her birth have not been found.
Her husband was Ernest H. Chauvin, who she married on 5 MAR 1935 in Saint John the Evangelist Church, Woodslee ON . Their four known children were Geraldine Marie (Jeri) (private), Paul Joseph (private), Suzanne-Marie (private) and Patricia Anne-Marie (Pam) (private).