Gertrude E. DeCrosta, (Galligani) of Arlington March 27. Beloved wife of the late Joseph M. DeCrosta. Mother of Ann M. McFarland Sullivan and husband Arthur C. Sullivan of North Reading, Susan E. DeCrosta of Arlington and the late Mary M. DeCrosta. Grandmother of John E. McFarland. Great Grandmother of John and Jared. Gertrude was predeceased by her 4 sisters and 4 brothers. Funeral from the DeVito-O'Donnell Funeral Home 1145 Mass Avenue ARLINGTON Saturday morning at 8:00. Funeral Mass at 9:00 in St. Camillus Church. Interment to follow Mt. Pleasant Cemetery. Visiting hours Friday 4:00 to 8:0pm. In lieu of flowers donations to: The Alzheimer's Association 311 Arsenal St., Watertown, MA 02472. For directions and condolences visit,devitofuneralhomes.com