Alan Costa age: 71 Known as: Allan Costa Related to:Harry Panfil, 66 Stephanie Arruda, 39 Edisona Dacosta, 41 Has lived in:Mashpee, MA Acushnet, MA Sandwich, MA West Yarmouth, MA Alan W Costa age: 54 Known as: Allan W Costa Allan D Costa Allan J Costa Allen D Costa Has lived in:Mashpee, MA Hyannis, MA Teaticket, MA East Falmouth, MA