Jon Duncan was born on October 12, 1961, in Chowchilla, California. Passed away unexpectedly on Sunday, February 22, 2026, at St. Luke's in Meridian, Idaho, with his wife, Deb, by his side.

He was preceded in death by both of his parents and his brother Tim.

He is survived by his wife of 46 years, Debra (Helmer) Duncan; one daughter, April; one son, Justin (Leslie); and his only grandson, Angelo.

Jon was a loving, kind, and happy-go-lucky man who adored his family, loved to laugh, and was a hard-working man. Jon was an organ donor and a veteran of the United States Air Force.

Also survived by five siblings and many nieces and nephews.

He retired from the Boise Project, Kuna, in April of 2025. Everyone who knew him deeply loved him.

A Celebration of Life will be held in California at a later date.

He will be sadly missed by all his family and friends.