Kuehnert was born March 1, 1928, in Altenburg, son of Adolph G. and Gertrude (Bellman) Kuehnert. He and Jeannette A. Thompson were married on Oct. 23, 1976.
Kuehnert worked as a dairy farmer, raised Christmas trees and was employed in the maintenance department of Gilster Mary Lee Cereal Plant for the last 16 years.
He was a member of Trinity Lutheran Church and Trinity Choir in Altenburg and was president of East Perry County Lutheran Historical Society for 50 years.
Survivors include his wife of Pueblo, Colo.; a son, James Kuehnert of Colorado Springs, Colo.; a daughter, Katherine Kuehnert of Chicago; and a brother, Norbert Kuehnert of Cape Girardeau.
He was preceded in death by his parents.
Visitation will be from 5 p.m. to 9 p.m. Friday and from 6:30 to 8 a.m. Saturday at Young and Sons East Perry Chapel. A memorial service will follow at 10 a.m. at Trinity Lutheran Church in Altenburg,
Burial will be in the church cemetery, with Rev. Steven Dressler officiating.