Cronin, John Regis, passed away peacefully at his South Buffalo home with family on November 17, 2024. Loving husband of Peggy (Power) Cronin. Devoted father of Cathleen (James) Fitzgerald, Jeannie (Mark) Cassidy, and Peggy Cronin. Adored grandfather of Katie (Craig), Erin, Kellen, Matthew (fiancé Emily), Quinn (Ryan), Mark III, James III, Patrick, Catherine (Steven), Brendan (Morgan). Best Great Grandpa to Kevin, Jack, Charlie, Clare, Patrick, Owen, Everly, Layla and Steven John. Preceded in death by parents Peter Joseph and Helen Pierce Cronin. Brother of the late Mary Ellen (George) Feldman, Rev. Peter J. Cronin, S.S.C., James (Sara), and Gerald Cronin. Dear brother in law of Ellen (late Donald) Colpoys, and Jeannie (Paul) Calmes. Beloved by many nieces, nephews and cousins. Friends and Family may call Tuesday from 3-6 at JAMES.W.CANNAN FUNERAL HOME 3155 Orchard Park Road, Orchard Park (716) 675-9027. Flowers gratefully declined. A mass of Christian Burial will be celebrated at noon on Wednesday November 20th at St. Martin of Tours Church. Please assemble at church. John was a member of the KofC Nash Council and a proud member of Gene McCarthy Social Club. Online condolences at www.CANNANFH.com