YOUNG, Frances I. (Donahue) of Belmont, Cambridge, and Arlington. December 20, 2011. Beloved wife of the late William F. Young. Loving mother of William F. Young Jr. and his wife Pamela G. Young of Belmont. Devoted grandmother of Pamela J. Heald and her husband Andrew of Acton, William F. Young III of Cambridge, and Kristine M. Chamberlain and her husband Paul of West Medford. Mema to Chelsea Chamberlain. Sister of the late Marie McCafferty. Funeral from the Keefe Funeral Home, 2175 Mass Ave., NORTH CAMBRIDGE on Friday at 8 am. Funeral Mass in Saint Camillus’ Church, Arlington at 9 am. Relatives and friends invited. Visiting hours Thursday (today) 4-7 pm. Burial in Belmont Cemetery. Frances was a retired Matron for the Cambridge School System. For obituary, directions or to leave a condolence visit wwww.keefefuneralhome.com