David P Mackay age: 59 Known as: Dave P Mackay David Mckay Related to:Thomas Shaughnessy, 48 Has lived in:Hingham, MA Weymouth, MA Rockland, MA North Weymouth, MA David C Mackay age: 54 Known as: Dave C Mackay David C Mckay Related to:Rose Jaciow Has lived in:Quincy, MA North Quincy, MA