Mariano, Helen M. (Brown) of Arlington, November 1, 2017 at age 88. Devoted wife of the late Joseph P. Mariano. Loving mother of Sheri Macone and her husband Joseph, Michael Mariano and his wife Evelyn. Cherished grandmother of Christopher, Patrick and Julia O’Connell, Virginia Assarian, Kevin and Brian Andrews. Adored great-grandmother of James, Devin, Tomas, Joseph, Zoe, Isa and David. Beloved sister of Beverly Roach and the late Barbara Harring and Charles Brown. A celebration of her life will be held on November 11, 2017 at the Trinity Baptist Church, 115 Mass. Ave., Arlington with a visitation from 10:00 am to 11:00 am and a memorial service to follow.  Burial will be at the Mt. Pleasant Cemetery in Arlington.