Thomas J. O'Neill Sr. Obituary

With heavy hearts, we announce the death of Thomas J. O'Neill Sr. of Upper Darby, Pennsylvania, born in Philadelphia, Pennsylvania, who passed away on May 9, 2026. Leave a sympathy message to the family on the memorial page of Thomas J. O'Neill Sr. to pay them a last tribute.

He was predeceased by: his parents, John O'Neill and Barbara O'Neill (Boyle); his daughter Lori Ann O'Neill; and his nephew Ron. He is survived by: his children, Thomas J. O'Neill Jr. (Suzanne), Michael A. O'Neill, Sr. (Jennifer) and Stacy Wolf (Justin); his grandchildren, Jessica O'Neill, Jack O'Neill, Julianna O'Neill, Michael A. O'Neill Jr., Brynn O'Neill, Ryan Wolf, Kadyn O'Neill and Emily Wolf; and his great grandchildren, Jaylen O'Neill, Sasha Morales-O'Neill, Aliyana Harris and Brayden Harris.

In lieu of flowers, please plant a tree in Thomas' memory.