REILLY, Frank J., of Cambridge, passed away peacefully at the age of 66, on June 24, 2022 with his loving family by his side. Born in Cambridge to the late Francis J. Reilly and Claire M. (Sheehey). Beloved brother of Kathleen Reilly of Cambridge, Patricia Campbell of Medford, John Reilly of Acton, Elaine Slattery of Westford, and the late Edward J. Reilly. Proud uncle of Christopher, James, William, III, John, Eric, Keith, Timothy, and the late Krystle Campbell. Cherished great uncle of William IV, Olivia Krystle, and Damian. He is also survived by many loving relatives and friends. Relatives and friends are respectfully invited to attend visiting hours on Monday, June 27th from 4 - 7 PM at the Keefe Funeral Home, 2175 Massachusetts Ave. CAMBRIDGE. His Funeral mass will be celebrated on Tuesday, June 28th at St. Paul’s Church, Harvard Square at 10am. Relatives and Friends are kindly asked to meet directly at the Church. Burial will follow in Cambridge Cemetery. In lieu of flowers, donations may be made in Frank’s memory to St. Francis House, 39 Boylston St, Boston, MA 02116.