GUIOD, MARY M. (RICHIELL) of So. Boston, April 5, 2013. Mother of Theresa Guiod of Norton, Jaime Guiod of So. Boston & Kirk Guiod of Billerica. Sister of Robert Richiell “Quarter Bobby” of Mattapan. Grandmother of Caitlin, Brianna & Thomas Cunningham all of Norton. At Mary’s request interment services will be private.