David M Walker age: 67 Known as: Dave M Walker Related to:Karen Wilson, 52 Carla Wilson, 76 Has lived in:Westford, MA Cunningham, KS Billerica, MA North Billerica, MA David H Walker age: 78 Known as: Dave H Walker Related to:Shiela Dumas, 67 Has lived in:Andover, MA North Conway, NH Conway, NH