Leslie Daniel van Domselaar, of O Fallon, MO, passed away Monday, September 4, 2023 at the age of 69. Beloved husband of Carol Ann van Domselaar; cherished son of the late Ronald and Luz Amalia van Domselaar; devoted father of Leslie van Domselaar, Philip (Marissa) van Domselaar and Stephanie (Cristina) van Domselaar; loving grandfather of Philip van Domselaar, Kile van Domselaar, Ariel van Domselaar, Nicholas van Domselaar, Joshua Austin, Michael Austin, Isaiah Austin, Samuel Morgan, Aaliyah van Domselaar and Brooklynn Morris; dear brother of Sylvia (Michael) Zaleski, Monica van Domselaar and Alex van Domselaar; uncle of Danielle Zaleski, Jessica Zaleski, Morgan Hall, Alyssa van Domselaar, Ivy van Domselaar and Jonathan van Domselaar.
Leslie proudly and honorably served in the United States Air Force. He became a paramedic in 1996 and was a paramedic with New York City Fire Department, St. John’s Hospital in Queens, and Missouri Baptist Emergency Room in St. Louis, MO. Leslie was dearly loved and will be greatly missed by all who knew him.
Memorials may be made in Leslie's name to Alzheimer's Association or Susan G. Komen for the Cure.