William "Bill" Evert Tilleman

Passed away unexpectedly on June 29, 2026.  Born in Evergreen Park, IL.  Longtime Lockport resident.  Graduate of Lockport High School (2000) and Eastern Illinois University (2004).  Past teacher at Homer Jr High and Newark High School.  Valued employee at the Concord Group since 2017.  Proud owner of "Tilleman Trails".  Bill was an avid Chicago sports fan, especially the Cubs.  Most of all, Bill loved his family and enjoyed spending time with them.  He will be truly missed by all who knew him.

Preceded in death by his mother, Kathey M. Tilleman; siblings, Jean Marie Tilleman and Patty Ditty; many other dear deceased O'Shea and Tilleman family members

Survived by his loving father, Evert Tilleman; four siblings, Jenny, John (Jana), Katy and Amy Tilleman; brother-in-law, John (Mandy) Ditty Jr.; eight nieces and nephews, Derek Johnson, John Ditty, Kylie Tilleman, and Maggie, Emily, Alaina, Brianna and Gavin Ditty; many dear aunts, uncles, cousins and dear family members

In lieu of flowers, memorials appreciated to Shriners Childrens Hospitals ( DONATE )

Funeral Service at Christ Community Church will be live streamed ( WATCH HERE )

Visitation Wednesday, July 8, 2026 from 3:00pm to 8:00pm at O'NEIL FUNERAL HOME 1105 E. 9th St., Lockport.  On Thursday, July 9, 2026, family and friends can gather directly at Christ Community Church (13400 Bell Rd., Lemont) for visitation at 9:00am with Services immediately following at 10:00am.  Interment Lockport City Cemetery.  For Info: (815) 838-5010 or www.oneilfuneralhome.com