John was born August 28, 1926 in Ft. Leavenworth, Kansas, a son of John Emil and Edith (Wagner) Dubach. He was a Navy Veteran of WWII. John was united in marriage to Rosalie F. Summerville on August 29, 1952 in Bentonville, Arkansas. He was a machinist and had worked at Fairbanks Morse in Kansas City, Kansas for 30 years before his retirement in 1988. He and Rosalie had lived in Kansas City, Kansas and Pleasant Hill, Missouri before moving to Harrisonville.
John was preceded in death by his parents, a brother, Richard Dubach, and two sisters, Lillian Roy and Dorothy Cornelison. He is survived by his wife of 67 years, Rosalie, of Harrisonville.
Cremation with inurnment at Leavenworth National Cemetery, Leavenworth, KS.