Kevin J Mueller 43, of New Lenox was born in Evergreen Park, IL to Bob and Cathy (nee Coglianese) Mueller and passed away July 15, 2026. Loving husband of Elyse Nikonchuk; dear brother of Bill (Holly Hunley) Mueller and Bobby Mueller; fond uncle of Andrea, Aurelia, Maggie, Jack, Brynn, and Jace; son in law of Renee (Aaron Guajardo) Nikonchuk; brother in law of Alex (Jodi) Nikonchuk, Scott Nikonchuk, Emily (Berna Villanueva) Nikonchuk; loving nephew of many. Kevin will be missed immensely, he was a great friend to all. A visitation will be held at Kurtz Memorial Chapel on Tuesday July 21, 2026 from 3-8pm. Chapel service will be at 7:30pm.