MARTIN, SUSAN C. of Quincy formerly South Boston, January 11, 2011. Daughter of the late Catherine Martin. Beloved mother of Ariana & Tricia. Sister of Michelle, Theresa, & Mark. Loving companion of 15 years to Robert Urban. Also survived by Diane Webb & nephew Caleb. Visiting hours will be held at The Casper Funeral Home, 187 Dorchester Street, South Boston on Thursday from 4-8 PM. Interment Services are private.