Cox of Cambridge, November 17, 2010, Ruthann Cox, age 67. Beloved companion of Joseph Michael O'Leary. Sister of Robert Sutherland of Malden and Joseph Sutherland of Salem. Visiting hours in the John C. Burns & Sons Funeral Home, 305 Broadway, Cambridge, Sunday, November 21 from 2:00-5:00 p.m. Relatives and friends invited.