Jon W O'Neill, age 71, of Plainfield, IL died Monday, June 25, 2018 at his home surrounded by his family. He was born August 29, 1946 in Oak Park, IL the son of the late Francis P and Margaret C nee Berg O'Neill. Jon served his country honorably with the US Army from 1966-68. He was a 50 year member of The Journeymen Plumbers Local 130 UA in Chicago, IL. Jon was known as a gifted story teller. He would keep you engaged for hours with tales from his childhood, his plumbing and landlord experiences, his vacations to Canada to his trips to Boston for his medical treatment. His love for life throughout the years has inspired many and will be in our hearts forever. Jon was known for his kindness and he was willing to help anyone in need at any given time. Jon touched so many lives with his strength and zest for life. Through his 11 year battle with cancer Jon was a warrior he never complained and lived life to the fullest. His love for his Family and Friends will live on forever as will our love for him. Jon is survived by his beloved fiancée, for two years JoAnn Ness (They were together for eleven years) "She was my second savior and when I met her in 2007 her entire family took me in.". His survivors also include sister Marilyn Renee Mcgowan, brother Frank J O'Neill, step-children Thomas Ness, Elizabeth Ness, Nicole Nelson, Joe Devito, grandchildren Leah Ferguson, Ellyette Nelson, Vince Devito, Nick Devito, Angelina Devito, A.J. Stennes, Jarrett Stennes and uncle to many. He was preceded in death by sister Jeanne Marie Ziegler, Margery Ann O'Neill and beloved mate for twenty five years Mary Castello. Thanks are extended to the wonderful care by Dr Alexander Hantel and his staff, Edward Hospital, Veterans Administration and the Dana Farber Cancer Institute. Visitation will take place on Sunday, July 1, 2018 from 2:00 to 6:00 PM at the DUNN FAMILY FUNERAL HOME with CREMATORY 1801 Douglas Road Oswego, IL. Funeral service will take place on Monday, July 2, 2018 at 10:00 AM at the funeral home. Burial will take place at Risen Lord Cemetery in Oswego, IL. For additional information 630/554-3888 or www.dunnfamilyfuneralhome.com