OCEANSIDE, CALIFORNIA - Max Koehn, a long-time resident of Oceanside, California passed away on October 5, 2026. Max was born November 8, 1938 on a farm north of Cimarron, Kansas… the 11th of 12 children born to Jesse and Katie (Boehs) Koehn. He grew up and graduated from high school in that community before moving to California and enlisting in the US Air Force in 1957. The Air Force provided training as a Radar Repairman and in 1962 he was released from active duty at MacDill Air Force Base’s 660th Radar Squadron in Tampa, Florida.

Max continued to make his home in California and in 1975 met and married Patricia (Wineland) Adams, helping her to raise her two sons, James and Lee Adams. They divorced in 1989.

He was a career employee with Burroughs Corp/Unisys Corp retiring as the Storage Systems Product Manager of CSG Western Field Operations after 30 years of service, granting him more time for his passion, golfing. Max was a regular at the Vista Valley Country Club in Vista, California.

Max Benton Koehn was preceded in death by his parents and ten siblings. He is survived by a sister, Jeanette (Koehn) Monroe of Topeka, KS and many nieces, nephews and friends.

At his sister’s request, Max will be buried in the family plot in the Cimarron Cemetery, Cimarron, at 2:00 pm Friday, November 13, 2026. There will be no public viewing, cremation has taken place.