Traister-David A. of Chestnut Hill on March 4, 2011. Beloved husband of Ina (Sack) Traister. Devoted father of Michael L. Traister and his wife Melanie Sommer and Lawrence Traister and his wife Sondra. Dear grandfather of Hannah, Jack, Evan and Adam Traister. Loving brother of Retired Rear Admiral Robert E. Traister and his wife Janet. Services will be private. Memorial observance will be in the Clubhouse at 77 Florence Street, Chestnut Hill from 12:30 pm to 4:30 pm on Monday. Remembrances may be made to Research Development in Waldenstrom & Prostate Cancer at Dana Farber Cancer Institute, 44 Binney St. Boston,MA 02115.