Keith J. Wirtz

Keith James Wirtz, 84, Oconto Falls, died Sunday evening, February 15, 2026. He was born April 4, 1941 in Oconto Falls to Chester and Anna (Schindel) Wirtz. He attended area schools and graduated from Oconto Falls High School with the class of 1959.

On October 21, 1961 Keith married Judy Kratz at St. Anthony Catholic Church. They lived all of their married life in Oconto Falls where he worked in maintenance as a welder and mechanic for Scott Paper. He enjoyed traveling all over with Judy, including spending winters in Texas for eleven years. When at home, Keith enjoyed working in his shop doing various projects for others. Favorite pastimes included going up north to snowmobile and spend time with friends. He was a long time member of St. Anthony Catholic Church.

Survivors are his children, Kevin (Julie) and Devin (Ashley) Wirtz; three grandchildren, Josh (Aly) Wirtz, Amanda (Tom) Zielinski and Matthew Wirtz; four great grandchildren, Ethan and Easton Zielinski, and Michael and Kellen Wirtz; sister, Beverly Krause; brother, Larry (Lynn) Wirtz; and many nieces and nephews.

Keith was preceded in death by his wife of 58 years, Judy; parents, Chester and Anna; brother, Chet (Janice) Wirtz;  sisters-in-law, Bonnie Clausen, Betty Kratz, Kathleen Kratz, and infant Margaret; and brother-in-law, Norman (Bev) Kratz.

Visitation will be held 4:00-7:00 pm Sunday, February 22, 2026 at Jones Funeral Service in Oconto Falls. Visitation will continue after 9:30 am Monday, February 23, 2026 at St. Anthony Catholic Church in Oconto Falls until the time of service. Mass of Christian Burial will be held at 11:00 am Monday at the church with Fr. Tom Pomeroy officiating. Burial will follow in the church cemetery.