Dennis L. Heitkamp, age 81, of St. Marys, passed away peacefully at 4:50 a.m. on Friday, April 3, 2026, at Vancrest of St. Marys.

He was born on September 1, 1944, in Celina to the late Al and Edna (Nieberding) Heitkamp.

Dennis is survived by his siblings: Larry (Lillian) Heitkamp of St. Marys, David Heitkamp of New Haven, Indiana, and Pat Schmidt of Mt. Vernon, Ohio; a sister-in-law, Rosemary Heitkamp of Youngstown, Ohio; and many nieces and nephews.

He was also preceded in death by his brother, Gary Heitkamp; and his sister-in-law, Roxanne Heitkamp.

Dennis was a graduate of Fort Recovery High School.

Private graveside services will be held at the convenience of the Heitkamp family at St. Henry Cemetery in St. Henry, Ohio.

Memorial contributions may be made to EverHeart Hospice, 230 W. Main Street, Coldwater, Ohio 45885.

Cisco Funeral Homes of Celina and St. Marys are honored to care for Dennis and his family. To share condolences or memories, please visit www.ciscofuneralhome.com or the Cisco Funeral Home Facebook page.