Otto Eugene Baumgartner, 80, of Troy, Illinois, passed away on Friday, October 23, 2026, at Anderson Hospital in Maryville, Illinois.
He was born on October 4, 1946, in Highland, Illinois, a son of the late Otto and Gertrude (Feldt) Baumgartner. On November 15, 1969, Otto married the love of his life, Sharon Daiber, in Grantfork, Illinois. Together, they shared nearly 57 wonderful years of marriage, building a beautiful life filled with love, laughter, family, and countless cherished memories.
Otto was a hardworking and devoted husband, father, grandfather, brother, and friend who believed in the importance of family, friendship, and enjoying life’s simple pleasures. In his early years, he worked as an aircraft mechanic for McDonnell Douglas, where he developed the mechanical skills, attention to detail, and strong work ethic that would serve him throughout his life. Later, as a self-employed businessman and owner of Troy Tri-Auto, his mechanical knowledge, dedication, and commitment to quality were evident in everything he did. Otto took great pride in his work and was always happiest when he had something to fix, a project to tackle, or a reason to get his hands dirty.
A proud United States Army veteran, Otto honorably served his country during the Vietnam War with the 1st Infantry Division, known as the “Big Red One”. His service was an important part of his life, and he carried that pride with him throughout the years. He was a member of the Veterans of Foreign Wars and the American Legion.
Otto had a lifelong love of sports, the outdoors, and anything with an engine. A devoted St. Louis Cardinals fan, he rarely missed a game and enjoyed cheering on his favorite team throughout the years. He was also an avid golfer who looked forward to time on the course with family and friends. In his younger years, Otto played slow-pitch softball, enjoyed bowling, and proudly raced stock cars at Highland Speedway, where he combined his love of competition and NASCAR with the friendships he made along the way. He loved hunting, camping, firing up the barbecue grill, and spending time on the water boating with his family. Whether at the ballpark, on the golf course, at the lake, or around friends and family, Otto valued the simple joys of life and the relationships that made them meaningful.
Above all else, Otto was immensely proud of his three daughters and considered them among his greatest blessings. He cherished watching them grow into strong, accomplished women, celebrating their college graduations, marriages, and the lives they built for themselves and their families. Nothing brought him greater joy than seeing their happiness and successes. He never stopped being their biggest supporter and took great pride in the women they became. He was equally devoted to his grandchildren and took special pride in cheering them on from the sidelines. Whether attending games, offering words of encouragement, or simply spending time together, being “Papa” filled his heart. The love he shared with his daughters and grandchildren was the foundation of his life and among the greatest treasures he carried.
Otto will be remembered for his devotion to the people he loved. He was a man who worked hard, loved deeply, and found happiness in the company of family and friends. His presence, stories, laughter, and the countless memories he created will forever hold a special place in the hearts of those fortunate enough to have known him.
In addition to his beloved wife, Sharon, Otto is survived by his three loving daughters, Michelle (Cory) Heffron, Susan (Brandon) Mazur, and Laurie (Ryan) Langdon; his cherished grandchildren, Maverick, Kylie, Carter, Austin, Evie, and Aubrie; his siblings, Jerome (Rita) Baumgartner, Henry (Carolyn) Baumgartner, Paul Baumgartner, Christina Friess, Anna (Rich) Mersinger, Agnes (Frank) Raine, and Theresa Deak; his brothers-in-law and sisters-in-law, Lucy (Bill) Koehnemann, Beverly Klostermann, Mary Ann (Herb) Weder, Patty (Rick) Allen, Allan Daiber, and Leroy (Renee) Daiber; and many nieces, nephews, extended family members, and dear friends.
In addition to his parents, Otto was preceded in death by his siblings, Leonard Baumgartner, Mary Hobbs, and Esther Miller; and his brothers-in-law and sisters-in-law, Bill Klostermann, Betty Baumgartner, and Mary Jo Baumgartner.
In celebration of Otto’s life, visitation will be held on Thursday, October 29, 2026, from 5:00 p.m. until 8:00 p.m. at Irwin Chapel, 591 Glen Crossing Road in Glen Carbon, Illinois.
A Mass of Christian Burial will be celebrated on Friday, October 30, 2026, at 8:30 a.m. at St. Jerome Catholic Church in Troy, Illinois, with Father Kevin Laughery officiating. Burial will follow at Jefferson Barracks National Cemetery in St. Louis, Missouri, with military honors in recognition of Otto’s faithful service to his country.
Memorial donations may be made in Otto’s honor toward a memorial bench, creating a lasting place of remembrance where family and friends can reflect on the wonderful memories they shared with him.
Otto’s life was not measured simply by the years he lived, but by the love he gave, the friendships he made, the family he cherished, and the memories he leaves behind. Though he will be deeply missed, his legacy will live on in the hearts of those who loved him and in every story shared, every laugh remembered, and every family gathering where his presence will forever be felt.
