John H. Sittler

John “Jack” H. Sittler, 95, Wausau, passed away peacefully early in the morning on April 19, 2024, at Aspirus Hospice House, Wausau. 

Jack was born on October 18, 1928, to J. Henry and Elsie A. (Bleck) Sittler, in Peru, Illinois. After graduating high school, he served in the Army Reserves. He married Renata M. Hassler on November 21, 1951, before being called to active service. He did basic training in San Diego and was stationed overseas where he flew in 94 missions and received the Distinguished Flying Cross. Following service, he attended Butler University where he received his degree in Mechanical Engineering. He moved to Wausau, WI in 1964 with his family and worked for Marathon Electric until his retirement.  

Jack enjoyed traveling and did volunteer work in Saint Lucia. He liked building model airplanes, was a small aircraft pilot, and was an avid woodworker.  

He is survived by his son, David and his wife Julie, and their sons, Nicholas Baumann, and Theodore Baumann, nieces, and nephews. He was preceded in death by his wife Renata Sittler, parents, brother, James Sittler, sister, Elizabeth Correll, brothers, and sisters in laws. 

The visitation will be held on Thursday, May 2nd from 2:30-3:30 PM at St. Anne’s Catholic Church, 700 W Bridge St, Wausau, WI 54401. Funeral Mass will follow at 3:30 p.m., Fr. Tom Lindner will officiate.    

Memorial gifts may be directed to Aspirus Hospice House in Wausau, Marathon County Humane Society, New Life Pet Adoption Center, or the Good News Project Wausau. The family would like to thank Dr. Bart Isaacson for taking such excellent care of Jack over the years with honesty and friendship.