Jack L. Dietz, age 65, of Oskaloosa, passed away on January 13, 2019 at the Mahaska Health Partnership, Hospice Serenity House. He was born on September 10, 1953 in Los Angeles, CA to John and Martha (Wilson) Dietz. \n\nJack married Karen Kadel on August 11, 2001. Jack worked as a deputy sheriff in Kansas City, and was a volunteer fireman and EMT. He was later a car salesman for Danielson Motor Company in Fairfield, and also an insurance broker for Aflac. After moving to Oskaloosa he became the airport commissioner at the Oskaloosa Airport. \n\nJack enjoyed camping, fishing, boating, collecting guns, flying planes, Civil War reenacting, and especially spending time with his family and grandchildren. He was a true jokester; who was the life of the party and could put a smile on anyones' face. \n\nHe is survived by his wife, Karen Dietz; sons, Andrew and Jack Dietz; daughter, Vivian (Waylon) Raines; step-children, Georgina (Brent) DeRonde, Stewart Kershaw; nine grandchildren; one sister, Alyce (Larry) Becklenberg, and many aunts, uncles, cousins, and friends. He was preceded in death by his grandparents, Samuel and Grace Wilson and Jacob and Katharina Dietz; parents, John and Martha Dietz; brother, Sam Dietz; sister, Elaine Gilbert; and half brothers, Mike Callahan and Thomas Banta. \n\nCelebration of Life Services will be held at 5:00 p.m., Thursday, January 17, 2019 at Sinnott Funeral Home in Ottumwa with Pastor Paul Prater officiating. Visitation will be held on Thursday, January 17, 2019 with family present to greet friends from 3-5 p.m., at Sinnott Funeral Home in Ottumwa. Memorials contributions may be directed to the family. Online condolences may be left for the family at sinnottfuneralhome.com. Arrangements are entrusted with Sinnott Funeral Home in Ottumwa.