Brennan, Maureen (Kelley) of Arlington passed April 30, 2017 after a brief illness. Loving wife of the late John J. Brennan. Loving mother of Kathleen B. Tremblay and her husband Ken J.C. Tremblay and J. Kevin Brennan and his wife Kimberly M. Brennan all of Arlington and the late Stephen P. Brennan. Beloved daughter of the late John J. and Mildred (Hinds) Kelley. Devoted sister of Robert Kelley of Methuen and Nancy Winters of Hollywood, FL and the late Dorothy Peterson, Barbara McHugh and Charles Kelley. Proud grandmother of Shawn, Daniel, Kathryn and Nate Brennan, Evan and Julie Tremblay and Patrick Brennan all of Arlington. Also survived by many loving nieces and nephews and countless devoted friends. Past owner of Ship's Way Motel, Sagamore, MA and office manager of Brennan Plumbing and Heating Company of Arlington. Past employee of ADL Cambridge, Belmont Hill School and Belmont Public Schools. In lieu of flowers the family request donations be made to: Doctors Without Borders USA, P.O. Box 5030, Hagerstown, MD 21741-5030. Funeral from the DeVito Funeral Home 1145 Mass. Ave, ARLINGTON on Friday at 9:30 am with a funeral mass to be held at 10:30 am in St. Camillus Church. Relatives and friends are invited to visit in the funeral home on Thursday from 5:00 - 8:00 pm. To view an online guestbook visit, devitofuneralhomes.com.