Mary M Krantz age: 75 Known as: Mary K Rantz Related to:Brian Krantz, 29 Has lived in:Dorchester, MA South Boston, MA Boston, MA Mary C Krantz age: 83 Related to:Mary Krantz, 105 Robert Vaters, 62 Has lived in:Quincy, MA Somerville, MA North Billerica, MA Wollaston, MA