Tustin, CA. - John DeMarco Jr., 74, formerly of Warren passed away Friday, April 29, 2016, at his residence in California. He was born August 21, 1941, in Warren, Ohio the son of the late John and Mary DeMarco Sr. He was a 1959 graduate of Warren G. Harding High School. He moved to California in 2006 from Columbus, Ohio after 15 years. John retired from the Dublin Ohio School System as a custodian after ten years. He had previously worked for Packard Electric for twenty years. He served our country in the U.S. Navy during Viet Nam. He is survived by his two sons Anthony (Cindy) DeMarco of Newton Falls and Christopher DeMarco of Arizona, four grandchildren, two great grandchildren, mother of his sons Freda DeMarco of Champion, a brother David DeMarco of Diamond, OH, and two sisters Evelyn (David) Boyd of Warren and Rosann (James) Petyak of Brandon, MS. He is preceded in death by his parents, two brothers Albert and Frank DeMarco and a sister Catherine "Kay" Ricci. There will be a committal service Saturday, June 18, 2016 at 10:30 a.m. at All Souls Cemetery in Bazetta. Family and friends may visit www.peterrossiandsonfh.com to view this obituary, sign the guest book and send condolences to the DeMarco family.