John R. Cronin, 95, of Portage and formerly of Beaver Dam passed away on Tuesday, May 12, 2020 at Divine Savior Healthcare in Portage.John was born the son of E. Raymond and Laura (Zinn) Cronin on November 21, 1924 in Milwaukee. He served his country in the U.S. Navy during WWII where he was stationed in the Philippines. John was employed with WI Power & Light Co. for over 39 years. He was married to Mary G. Noerz. John was formerly a member of St. Peter’s Catholic Church in Beaver Dam. John is survived by his daughter, Margaret “Peggy” Cronin of Madison; his grandsons: Colby Carr (fiancée, Ann Hershfeldt) of Denver, CO and Christopher Cronin of San Francisco, CA; nieces, nephews, other relatives and friends.He was preceded in death by his parents; his wife of 70 years, Mary in 2018; his son, Timothy in 2019; and three sisters: Lora Cronin, Kathleen Epting, and Marion Dries. A private graveside service will be held at St. Peter’s Cemetery in Beaver Dam. A memorial Mass of Christian Burial will be held at a later date.