Larry Joseph Klosterhoff

Larry Joseph Klosterhoff, of O Fallon, MO, passed away Friday, September 4, 2026 at the age of 77. Cherished son of the late George and Mary L. "Rita" Klosterhoff; devoted father of TJ (Abby) Klosterhoff; loving grandfather of Brooklyn and Luke Klosterhoff; dear brother of Karen (Tony) Lewandowski, Steve Klosterhoff, Nancy Snow, Mike (Stephanie) Klosterhoff, the late Jim (Patsy) Klosterhoff and the late Mary K. Klosterhoff; brother-in-law, uncle, great-uncle, cousin and friend to many.

Larry proudly and honorably served in the United States Army Reserve. 

Larry was the oldest of seven children and a natural-born leader with a strong entrepreneurial spirit. He owned and operated several sales and marketing companies throughout his career and took great pride in everything he accomplished.

Larry loved golf, baseball, cars, and enjoyed watching the Cardinals . He especially cherished his beloved dog, Murphy. He also took great pride in keeping his yard immaculate and enjoyed making sure everything looked just right.

Larry was a strong, opinionated, and determined man who lived life on his own terms. He was dearly loved and will be deeply missed by his family, friends, and all who knew him.