Sandra C. (Roy) Janes, age 75, died Saturday, May 20, 2017 at the Bench Mark Crossing in Billerica. She was born in Tewksbury, May 27, 1941, the daughter of the late Henry and Alice (Perron) Roy. She worked for over 50 years at MA/COM in Burlington as an assembler supervisor. Sandra was avid volunteer member of Nashua React for 27 years. She is survived by her niece, Theresa Maher, her 3 nephews, Daniel French, Mark and Bruce Dobens and her dear friends, Normand and Dale Fournier. She was the sister of the late Patricia Nystrom and Claudia French. A graveside services will be held Friday, May 26, at 2:00 PM in the Fox Hill Cemetery, 130 Andover Rd., Billerica. Relatives and friends invited. Arrangements by the Burns Funeral Home. www.burnsfuneralhomes.com.