Roach of Cambridge, July 12, 2013, Emma (Silva)(Costa) Roach, age 90. Beloved wife of the late Fred Costa and Thomas Roach. Loving mother of Fred Costa and his wife Ellen of Plaistow, NH. Sister of the late Louis Silva, Manuel Silva, Frank Silva, Anthony Silva, James Silva, and Mary Bettencourt. Survived by 3 granddaughters and 4 great grandchildren, step children, step grandchildren, nieces and nephews, and especially Emma Blouin of Arlington and James Silva of Lakeville. A graveside service will be held in Cambridge Cemetery, Monday, July 15, at 11:00 a.m. Relatives and friends invited. In lieu of flowers memorial contributions may be made in Emma’s name to Smiles for Children, Boston Children’s Hospital, c/o Dr. Mulliken, 300 Longwood Ave., Boston, MA 02115.