Sean K Duggan age: 44 Known as: Catherine Duggan Sean Dugan Related to:Kathleen Duggan, 90 Kevin Duggan, 67 Has lived in:Medfield, MA South Boston, MA Boston, MA Quincy, MA Sean F Duggan age: 55 Known as: Sean Dugan Related to:Andrew Stone, 55 Has lived in:South Weymouth, MA Quincy, MA Weymouth, MA Brighton, MA