Obituary-Dwight R. DeDoncker 

Dwight R. DeDoncker, 75, of Port Byron, Illinois, died Monday, March 2, 2026, at MercyOne Genesis Silvis Medical Center, Silvis, Illinois.

Private family visitation will be held on Monday, March 9th, at the Gibson-Bode Funeral Home in Port Byron. Celebration of life services will be held at a later date this year. Burial will be in the Fairfield Cemetery, Port Byron.

Dwight was born on June 18, 1950, in Moline, the son of Robert F. and Alberta G. (Wieland) DeDoncker. He graduated from Alleman Catholic High School in 1968. He went on to attend the University of Illinois. After graduating, he earned his Master’s Degree from Augustana College in Rock Island. Dwight married Glenda Murphy on December 1, 1973, at Fairfield United Methodist Church in Port Byron. He worked as an engineer for John Deere for several years, retiring in 2010.

Dwight was a longtime member of Bethel Baptist Church in Port Byron, a former Riverdale School District board member, and a former board member for Lake Erie Country Club. Dwight enjoyed golfing, studying physics, tutoring in biology, chemistry, and stats, and hanging out with his friends at Byron Hills Golf Course. He was full of knowledge and always had a good story to tell. Dwight loved spending time with his family and was extremely proud of his grandchildren and all their accomplishments.

Dwight is survived by his wife of 52 years, Glenda; daughter, Kristin (Richard) Nesseler of Port Byron; son Andrew “Andy” DeDoncker of East Moline; siblings, Diane (Steve) Shelton, Mary Jo (Alan) Dhooge, Paula DeDoncker, Lori DeDoncker, Lisa (Greg) Logsden, Amy (Chris Warling) DeDoncker, Barbie DeDoncker, Rob DeDoncker; and two grandchildren, Caleb Nesseler and Bre Nesseler. He was preceded in death by his parents.

Share a memory or condolence at www.gibsonbodefh.com.

To send flowers to the family or plant a tree in memory of Dwight, please visit the floral store.

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