Cummings, William J. “Billy” of Roslindale, formerly of Mission Hill, suddenly on January 20, 2021. Beloved son of the late Richard P. & Rose A. (Glynn) Cummings. Dear brother of Joseph P. Cummings and his wife Eleanor of Mashpee, Mary Lou Carey and her husband Edward of Lakeville, James D. Cummings and his wife Gail of Plymouth and the late Richard P. and Thomas M. Cummings. Brother-in-law of Rita Cummings of Plymouth. Also survived by many nieces, nephews and cousins. Visiting with his family at the Brady & Fallon Funeral Home, 10 Tower St. (Opp. Forest Hills MBTA Station), JAMAICA PLAIN, on Saturday, January 30, 2021 from 8:30AM – 9:30 AM, followed by a Funeral Mass in St. Thomas Aquinas Church at 10 AM. Relatives and friends are invited. Interment at Mt. Benedict Cemetery, West Roxbury. Long time employee of Boston Public Library in charge of the Book Mobile. Late U.S. Army Vietnam Veteran. In lieu of flowers, donations in Billy’s memory may be made to the American Heart Association 300 5th Ave Ste. 6, Waltham, MA 02451 or to Disabled American Veterans State House, Room 546, Boston, MA 02133. All attendees are to wear a mask and practice social distancing. The Funeral Mass can be viewed via "Zoom Live Stream" by clicking on the following link, https://us02web.zoom.us/j/81519263729