William James O'Brien Obituary

With solemn hearts, we announce the passing of William James O'Brien (Crystal Lake, Illinois), whose presence will be deeply missed, having departed on February 24, 2026 at the age of 94. Leave a sympathy message to the family on the memorial page of William James O'Brien to pay them a last tribute.

He was predeceased by: his parents, William O'Brien and Tina O'Brien; his wife Judith; and his in-laws, Robert and Helen Townsend.

He is survived by: his daughter Clare Elizabeth; his son-in-law Ken; his granddaughters, Charlotte and Elizabeth; his sister-in-law Rosemary Nicholson; his nieces, Laura and Nancy; and his nephew Tim.

Donations may be made in his memory to, P.E.O International, https://www.peointernational.org.