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John Joseph Klenklen

December 3, 1939 ~ February 15, 2019 (age 79)

John Joseph Klenklen, 79 of Boonville passed away surrounded by family and friends on February 15, 2019 at Boone Hospital in Columbia, Missouri following a lengthy and brave battle with pancreatic cancer.


Visitation will be at Howard Funeral Chapel from 5:00-7:00 pm on Friday, February 22 with a Rosary service at 4:30 pm. The Mass of Christian Burial will be celebrated at S.S. Peter and Paul Catholic Church at 10:00 am on Saturday, February 23 with burial following in St. Martin’s Cemetery in Martinsville, Missouri.


John was born in Boonville, Missouri on December 3, 1939, the son of Frank E. And Gertrude C. (Gilliland) Klenklen.  John graduated from S.S. Peter and Paul Catholic High School in 1957.  After enlisting and serving in the United States Navy, where he served as an Air Control Tower Operator, he returned to Boonville and was united in marriage to Mary Kathryn Lammers on April 27, 1963 and they are the parents of three children.  He and Mary very much enjoyed following and watching their children and grandchildren participate in all sorts of activities.  John “never met a stranger” and very much enjoyed hosting family and friends at the family farm.


Along with being a successful local business owner, John was a very civic minded leader who served on the Missouri Pest Management Association Board, Missouri Housing Industry Alliance, Boonville City Council, Police Board and Fire Board for many years.  He was a devout member of the S.S. Peter and Paul Catholic Church and an active member in the Boonville Knights of Columbus Council 1061 and 4th Degree Council 2373 where he served three terms as the Grand Knight.


John was preceded in death by his parents.  He is survived by his wife of 55 years, Mary, of the home, and his children; Chris (Christy) Klenklen, Patricia (Mike) Devine and Mark Klenklen, all of Columbia, Missouri and siblings; Patricia (Glen) Lammers of Shawnee, KS, Judy (Lawrence) Ellebracht of Independence, MO, as well as in-laws Harold (Beth) Lammers of New Franklin and Joe (Sharon) Lammers of Pilot Grove.  His love, attention and support will be a huge loss for his seven grandchildren; Andy, Clare, Steven, Anna & Adelaide Devine and Lauren & Natalie Klenklen.


Memorial contributions are suggested to S.S. Peter & Paul Educational Foundation or Father Tolton Catholic High School. 

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