John C. Diemer

OVERLAND PARK, KS— John “Jack” C. Diemer, 52, of Overland Park, KS passed away Thursday, Nov. 28, 2019 at his home, surrounded by his family. He fought hard and amazed everyone with his courage and strength during his cancer battle. Even during hospice care he showed his unwavering faith.
Jack was born Sept. 6, 1967 in Carbondale, IL, the son of Alan and Paula (Adams) Diemer. They soon moved to Kansas City, MO, where he graduated from Rockhurst High School. He received a bachelor’s degree in Electrical Engineering from the University of Missouri. He worked for Sprint in Kansas City for over 28 years as a Product Management Leader in application and software development. Jack married Janet Hayen on Jan. 11, 1997. His children were his pride and joy. 
Jack is survived by his wife of over 22 years, Janet; a son, Jacob Diemer, of Overland Park; a daughter, Julianne “Annie” Diemer, of Kansas City; his parents, Alan and Paula Diemer of Summerfield, FL; his in-laws, Reverend Leon and Catherine Hayen of Topeka, KS.  
He was preceded in death by grandparents, Jacob and Phyllis Diemer; and Francis and Ruth Adams, all from Dwight. 
Memorial services will be Sunday, Dec. 8, 2019 at 1:00 p.m. at the Leawood United Methodist Church with reception immediately following.
Memorial contributions may be made to the Legacy Fund at the Leawood United Methodist Church.  
Davidson Funeral Home is assisting the family with services. davidsonfuneral.com.

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