Warren passed away Monday, April 16, 2018 at Borgess Medical Center in Kalamazoo. He was born April 1, 1935 in Kalamazoo, the son of Clifford and Desmona (Owen) McKinstry. Warren proudly served his country in the US Air Force. For many years he had worked in residential construction in Arizona and Arkansas and then returned to Michigan. He had also worked at the Dorgan's Hardware in Plainwell and the True Value Hardware Store in Kalamazoo. In his spare time he enjoyed golfing, bowling, traveling, bird watching and visiting with his many friends. In July 1994 he married Audrey Gehring who survives. Also surviving are his daughter, Kathy (Wes) Thiel of Kalamazoo, 3 grandchildren, Heather, Chris and Greg; 3 great-grandchildren, Jacob, Dylan and Royce; brothers, Cliff (Micky) McKinstry of Plainwell and Loren (Ann) McKinstry of Richland; step-children, Ed Bennett, Connie (Paul) Brewster and Darrell Bennett, step-grandchildren, Scott Bennett, Amber (John) Haynes, Tyler Papesh and Mark Brewster and several step-great-grandchildren and step-great-great-grandchildren. He was preceded in death by his parents and daughter, Gloria Ludeking. Friends may visit with Warren's family starting at 11:00 A.M., Friday, April 20, 2018 until the time of the funeral service at 1:00 P.M., at the Winkel Funeral Home, Otsego with Celebrant Bill Rose officiating. Cremation will follow. Contributions in memory of Warren may be made to the American Cancer Society. Messages of condolence may be posted at www.WinkelFuneralHome.com.