Sean C Callahan age: 58 Known as: Sean C Callhan Related to:Ashley Manning, 40 Frank Callahan, 106 Has lived in:Hingham, MA South Boston, MA Boston, MA Sean T Callahan age: 78 Known as: Sean Callhan Sean C Lt Related to:Edward Howard, 114 Brenna Hoffman, 63 Has lived in:Wrentham, MA Hyde Park, MA Norwood, MA Boston, MA Sean T Callahan age: 46 Related to:Carla Thompson, 75 Kathleen Callahan, 104 Chris Callahan Has lived in:Plymouth, MA Medford, MA Brighton, MA Westfield, MA