John T. "Jack" Mccarthy

John T. "Jack" McCarthy, September 11, 1941 – February 18, 2026, of Dune Acres, Indiana, formerly of Flossmoor, Illinois, passed away Wednesday at the age of 84.

Beloved husband of Patricia Devlin McCarthy (deceased).  Loving and devoted father of Justin McCarthy (Amber Cottle), Maura Galligan (Sean), Sean McCarthy (Kirstin) and Kathryn McCarthy.  Proud "Papa Jack" of Devlin and Siena McCarthy, Zach and Sam Bensky; Jack, William, Patricia Jean and Brian Galligan; and Jackson, Justin and Madeline McCarthy.  Jack was the son of Justin McCarthy and Mary (Joyce) McCarthy (deceased) as well as the fond brother of the Hon. James McCarthy (Retd.), Mary Quish and Sara Hayes and a beloved uncle and dear friend of many.  He was a graduate of St. Ignatius College Prep, St. Joseph's College and Northwestern University Pritzker School of Law.

Jack practiced law in Chicago as a securities/merger and acquisition lawyer for over 50 years, primarily with the Bell, Boyd & Lloyd firm, where he served as chairman for over 20 years.  He served as primary outside counsel to Waste Management for over 20 years and was primary counsel to the Enron Creditors Committee.  Jack was active in business and community affairs, having served as a member of the U.S. Japan Business Council, the Illinois Sports Facility Authority, and a director of Haymarket Center.

Visitation will take place on Sunday, February 22, 2026, from 1:00PM–4:00PM at Tews-Ryan Funeral Home, 18230 Dixie Hwy, Homewood, IL 60430. A Funeral Mass will be celebrated on Monday, February 23, 2026, at 11:30AM at St. Veronica Parish, 1101 Douglas Ave, Flossmoor, IL 60422.

In lieu of flowers, donations in Jack's memory can be made to La Lumiere School: 6801 N Wilhelm Rd, La Porte, IN 46350 and/or Haymarket Center:  932 W. Washington, Chicago, IL 60607. For additional information contact tews-ryanfh.com or call 708-798-5300.

TO VIEW LIVESTREAM FOR THE 11:30AM MASS GO TO THE FOLLOWING LINK WHICH WILL BE AVAILABLE at 11:25am https://www.facebook.com/saintveronicaparishflossmoor/live_videos/