Barbara M. (Mattaliano) Rotsart, of Billerica, formerly of Arlington, passed away Saturday, Dec. 29, 2012.

Beloved wife of the late Robert Rotsart. Loving mother of James Rotsart of Bristol, R.I., and the late Carol Ann Gilbert. Devoted grandmother of Anthony, Angelica, Cameron, and Jack Rotsart, Doug Larson and Robert Kilroy. Great grandmother of Eric and Michael Larson. Sister of Elizabeth O’Neill of Bellingham, Geraldine McGrath of Lexington, Jane Marie Tibur of Woburn and the late Joseph “Buddy” Mattaliano.

Funeral from the Keefe Funeral Home, 5 Chestnut St. (Rt.60, adjacent to St. Agnes Church), ARLINGTON, on Thursday at 9:30 a.m. Funeral mass at Saint Agnes Church at 11:30 a.m. Relatives and friends invited. Visiting hours Thursday 9:30-11 a.m. Burial in Mount Pleasant Cemetery in Arlington. In lieu of flowers, donations may be made to Saint Jude Children’s Research Hospital, 501 St. Jude Place, Memphis, TN 38105.  For obituary, directions or to send a condolence visitwww.keefefuneralhome.com.