Geoff T. Hartman, age 50 of O’Fallon, IL, died Tuesday, April 8, 2025, at HSHS Saint Elizabeth Hospital in O’Fallon, IL.
He was born on Wednesday, November 6, 1974, in Racine, WI, the son of Thomas and Janice (nee Striebel) Hartman.
He was a member of Cornerstone Christian Church in O’Fallon, Illinois.
Geoff was born in Racine, Wisconsin. He grew up in Bloomington, Illinois, graduating from University High School in Normal, Illinois. Geoff was part of the state championship for his high school golf team. He went on to the University of Illinois. Geoff started a career in Automotive Sales where he became a manager, and then Regional Manager for Avis in Texas. He returned to Illinois in 2023 to be near family. “Adventures with Daddy” was his daughter Madeline’s favorite comment. Geoff was an avid Green Bay Packers and St. Louis Cardinal fan, He loved golfing and deep-sea fishing.
Survivors include:
- Partner – Lydia Ulmer, O Fallon, IL
- Father – Thomas Charles Hartman, Highland, IL
- Daughter – Madeline Christine Janice Hartman
- Sister – Laura S. (Mark) Carollo, Elmhurst, IL
- Nephew – Alex Carollo, Elmhurst, IL
- Nephew – Ethan Carollo, Elmhurst, IL
He was preceded in death by:
- Mother – Janice Hartman, nee Striebel (died 9/29/2023)
Arrangements are being handled by Spengel-Boulanger Funeral Home in Highland, IL.
Services are planned for a later date.
Memorial contributions will be used to set up a fund for his daughter, Madeline. Per family request, make checks payable to Thomas Hartman c/o Spengel-Boulanger Funeral Home.
