GUANCI, Elizabeth A. “Betty”, Lifelong resident of Arlington. Passed peacefully October 28, 2018, surrounded by her loving family. Beloved daughter of the late Ralph Guanci, Sr. and Dorothy (Crosby). Loving sister of John Guanci and his wife Maureen of Arlington, Mary Guanci of Nashua, NH, Joseph Guanci and his wife Ann of Melrose, and the late Gerry Guanci, Ralph Guanci Jr., and Peter Guanci. Dear sister in law of Pam Guanci of Carlisle and Janet Guanci of Bedford. Also survived by many loving nieces and nephews. She proudly worked for over 38 years at Raytheon in Andover. Funeral Mass will be held from the Keefe Funeral Home, 5 Chestnut St., (Rt.60, adjacent to St. Agnes Church) ARLINGTON on Friday at 10:30am. Funeral Mass at St. Agnes Church at 11:30am. Visiting Hours will be held on Thursday from 4-8pm in the LOWER CHURCH at St. Agnes Church. Burial will conclude in Mt. Pleasant Cemetery, Arlington. In lieu of flowers, donations in Betty’s name may be made to MGH Development Office, c/o Carrie Powers, 125 Nashua Street, Suite 540, Boston, MA 02114. On the checks, please write in the memo line or in an accompanying note to “Lung Cancer – Dr. Inga Lennes”. For directions or to send a condolence visit www.keefefuneralhome.com