O’Regan of Cambridge, June 21, 2016, Helen M. (Masterson) O’Regan, age 83. Beloved wife of Michael L. O’Regan. Devoted mother of Michael O’Regan and his wife, Susan, of Belmont, Brian O’Regan and his wife, Maryann, of Milton and Thomas O’Regan and his wife, Claudia, of Needham. Sister of Eleanor Ferguson of Buffalo, NY and the late Richard, Robert and Eileen Masterson. Loving grandmother of Kerri Ann, Erin, Michael, Kevin, Katelyn, Brian, Thomas, Daniel, Carolyn and Courtney. Also survived by nieces and nephews. Funeral from the John C. Burns & Sons Funeral Home, 305 Broadway, Cambridge, Friday, June 24, at 9:00 a.m. followed by a funeral mass in St. Mary’s Church, Cambridge at 10:00 a.m. Relatives and friends invited. Visiting hours, Thursday, 4-8 p.m. In lieu of flowers, memorial contributions may be made in Helen’s name to St. Jude Children’s Research Hospital, www.stjude.org or Boston Children’s Hospital Trust, www.bostonchildrens.org/givenow. Retired Special Assistant, City of Cambridge Public Works. Interment, Cambridge Cemetery. www.burnsfuneralhomes.com