DiSessa, Mary E. (Peters) of Somerville, January 1st, 2015 at age 100. Devoted wife of the late Louis J. DiSessa. Loving mother of Mary L. DiSessa and the late Paul L. DiSessa. Cherished grandmother of Jodi Purches, Nancy DiSessa, Donna Aldred and David Durling. Also survived by 5 great grandchildren, nieces, nephews, other loving relatives and friends. Funeral from the Rogers Funeral Home, 380 Cambridge St., Cambridge on Monday, Jan. 5th, 2015 at 9:00 am. Funeral mass at St. Joseph’s Church in Somerville at 10:00 am. Visiting hours Sunday 4 to 8 pm. In lieu of flowers, donations in her memory may be made to St. Joseph Church, 264 Washington Street, Somerville, MA 02143 where Mary was a dedicated member of the Women’s Sodality.