Waltham - Miss Mary S. Kavanagh of Waltham died Saturday, January 28, 2006 at the Carlyle House in Framingham. She was 82. Born in Nova Scotia, Canada, she lived most of her life in Waltham. She worked as an assembler for Raytheon in Waltham for many years. Miss Kavanaghs interests included politics and music. She was the daughter of the late Charles H. and Margaret (Stuart) Kavanagh. She was the sister of the late Helen Gallo and Charles H. Kavanagh, Jr. She is survived by 4 nieces, Carol Yerardi of Framingham, Diane Alexander of Franklin, Nancy Briggs of Medway and Darlene Sparks of Florida and many great nieces and nephews. Funeral Services will be held on Wednesday at 11 a.m in the Joyce Funeral Home, 245 Main Street, (Rte. 20), Waltham. Burial will be in Mount Feake Cemetery, Waltham. Memorial donations may be made to the Salvation Army Development Department, 147 Berkley Street, Boston, MA 02116.