Ms. Barbara Walton, age 67 of Medford died Wednesday at her late residence following a lengthy illness. Ms. Walton was born in Melrose, daughter of the late George and Emma (Gibson) Walton. In earlier years she worked as a Telephone Operator. She had been active in the Unitarian Universalist Church in Medford. She is survived by a brother, Roger D. Walton of Chelsea, a niece, Corinth Walton and a nephew, Emmanuel Walton. Friends may call on Sunday from 2:00 to 4 :00 PM in the Dello Russo Funeral Home, 306 Main St., Medford. A Funeral Service will be conducted Sunday at 4:00PM. Interment will be private. In lieu of flowers, contributions in her name may be sent to the Cystic Fibrosis Foundation, 220 N. Main Street, Natick, MA 01760.