John David O'Neill Obituary
We are sad to announce that on September 14, 2025, John David O'Neill (Gurnee, Illinois) passed away. Family and friends are welcome to send flowers or leave their condolences on this memorial page and share them with the family.
He was predeceased by: his parents, John O'Neill and Virginia O'Neill; and his siblings, Tim and Sandy. He is survived by: his children, John (Damara), Kim (Tony), Matthew, Kelly (Derek), Megan, Kevin (Erica) and Daniel; his sisters, Denise, Judy (Doug), Mary (Tom) and Patty (Mark); and his former wife Diane. He is also survived by 10 grandchildren.
Visitation was held on Friday, September 26th 2025 from 10:30 AM to 12:30 PM at the Warren Funeral Home (1475 N Cemetery Rd, Gurnee, IL 60031). A funeral service was held on Friday, September 26th 2025 from 12:30 PM to 1:30 PM at the same location. A burial was held on Friday, September 26th 2025 from 1:30 PM to 2:00 PM at the Warren Cemetery (1475 N Cemetery Rd, Gurnee, IL 60031).