William N. "Billy" , of Waltham, MA, December 9, 2011. Husband of Jeannie M. Foley-Kass. Loving father of Lance Cpl. Benjamin N. Kass, Julia A. Kass and Patrick J. Collura. Devoted son of Vera (Larrabee) Kass and the late William Kass. Brother of Donna M. Stegner and her husband Tym and Kevin Kass and his wife Lois. Also survived by many nieces, nephews, relatives and friends. A celebration of his life will be held on Sunday, December 18, 2011 from 10 to 12 at the Faggas Funeral Home, 551 Mt. Auburn St.,Watertown, MA 02472. Relatives and friends kindly invited. In lieu of flowers donations in his memory may be made to the the William "Billy" Kass Memorial Fund, 10 Bigelow Ave., Watertown, MA 02472, Attn: William Burgess.