Sean L. Hartigan Obituary

Sean L. Hartigan (Elmhurst, Illinois), born on September 25, 1963 in Evergreen Park, Illinois, passed away on July 19, 2026. Leave a sympathy message to the family in the guestbook on this memorial page of Sean L. Hartigan to show support.

He was predeceased by: his parents, Michael Hartigan and Therese Hartigan (Breen); his brother Mark (Margaret); and his nephews, Martin and Mark Jr..

He is survived by: his siblings, Luke (Viki), Matthew (Kathleen), Therese (Gregory) and Michael Jr. (Aray); his nieces and nephews, Kyla, Meghan, Nichole, Dominic, Bridgette, Jack, Joseph, Christine, Jennifer, Annie, Therese, Milan, Alexander, Lawrence, Michael and Mary Anne; his great-nieces and great-nephews, Amelia, Avery, Riley, Benjamin, James, Lincoln, Everly, Maria and Brooke; and his aunt Evelyn Hartigan.

In lieu of flowers, Memorials will be appreciated for the Misericordia Foundation (https://www.misericordia.com), 6300 N. Ridge, Chicago, IL 60660.