Dennis James “Denny” Auth, 87, of Hillsboro, MO, born January 2, 1939, in St. Louis, MO, passed away Saturday, May 16, 2026, at Missouri Baptist Hospital, St. Louis, MO, surrounded by his loved ones.
Dennis served in the United States Army Reserves from 1957-1963. He went on to work for Phillips Petroleum and later worked for Afton Chemical, before retiring in 2009. Denny was a devout Catholic who was dearly loved by all who knew him. Denny was a genuine jack of all trades, and he never shied away from a challenge. He was strong-willed, passionate, and deeply loved and cared for his family more than anything.
He was preceded in death by his parents, Clarence and Frieda, nee Knepper, Auth; and his brother, Norbert (Rita) Auth.
Dennis is survived by his loving wife of more than 65 years, Betty Auth, nee Bradley; his children, Mark (Holly) Auth, Vicki (Brian) Meinkoth, Patrick (Cherie) Auth, and Karen (Jack) Lemmon; seven grandchildren, Melissa (Josh), Justin (Susie), Bradley (Amanda), Kristen (Mike), Rachael (Tyler) Julie (Mike), and Brandon (Alyssa); thirteen great-grandchildren; and many dear nieces and nephews.
In lieu of flowers, memorials may be made the Good Shepherd Catholic Church, Hillsboro, MO. Condolences may be made to the family online at www.rennerfh.com.
Visitation: Friends may visit from 4 to 7 p.m. Wednesday, May 20, 2026, at George Renner & Sons Funeral Home, Belleville, IL, and from 10 to 11 a.m. Thursday, May 21, 2026, at Good Shepherd Catholic Church, Hillsboro, MO.
Funeral: A Mass of Christian Burial will be held at 11 a.m. Thursday, May 21, 2026, at Good Shepherd Catholic Church, Hillsboro, MO, with Fr. Christopher Holtmann officiating. Military honors will follow Mass.
According to Dennis’s wishes, cremation services will follow.