Thomas J. Lonergan III, (CPD) age 73 of Chicago, Illinois passed away on Saturday, December 20, 2025. Beloved son of the late Thomas Jr. and the late Jacqueline Lonergan. Father of Thomas Lonergan IV; loving brother of the late Michael Lonergan, the late Lawrence (Nancy) Lonergan, Margaret (the late Steven) Lickus and James Lonergan; dear uncle to Steven(Sarah) Lickus, Thomas Lonergan, Jacqueline (OJ) Laos, John Lickus, Erin Lonergan, Tracey (Matthew) Galik, Megan Lonergan, Kaleen Lonergan, James Lonergan and Kevin Lonergan; great uncle to many.
Thomas's memory will be cherished by all who knew and loved him.
A visitation and funeral will be held on Tuesday, December 23, 2025 at Andrew J. McGann and Son Funeral Home, 10727 S. Pulaski Road, Chicago. Family and friends gathering from 9:00 a.m. until time of service at 1:00 p.m. Interment St. Casimir Cemetery, Chicago, IL.
