Cyr, Roger C., of Cambridge, July 16, 2023. Beloved husband of the late Jeanne (Tierney) Cyr. Devoted father of David Cyr of NH, Theresa Casassa of NH, Stephen Cyr of FL, Paul Cyr of Boylston, John Cyr of NH, Brian Cyr of NH and the late Annemarie Cyr. Brother of Robert Cyr of MA, Claudette Freeman of TX and the late Norman Cyr. Further survived by 17 loving grandchildren and 13 loving great grandchildren. Visiting hours will be held at the Keefe Funeral Home, 2175 Massachusetts Ave., Cambridge, Sunday, July 23rd from 2 to 6 PM. Funeral from the Keefe Funeral Home Monday, July 24th at 9 AM followed by a funeral mass celebrated in St. Peter Church, 100 Concord Ave., Cambridge at 10 AM. Relatives and friends are respectfully invited to attend. Services will conclude with burial at Cambridge Cemetery. Late US Air Force veteran of the Vietnam Era. For directions or to send an online message of condolence, please visit www.keefefuneralhome.com