Mary I. Haddigan (nee Flynn), 91, of Elk Grove Village for 51 years. She was born in Co. Limerick, Ireland and passed away Nov. 21, 2021 in Chicago. Mary was a loving homemaker and a long time Alexian Brothers Hospice Volunteer. She was the beloved wife of the late Thomas J. Haddigan for 64 years; loving mother of Mary A. (Bruce) Rader, Margaret A. (Marty) Getz, Bernard J. (Eileen) Haddigan, Thomas J. (Shelley) Haddigan and Ellen T. (Musa) Durgun; cherished grandmother of Catherine, Patricia, Sarah, Steven, Caitlin, Kelly, Blaine, Lauren and great grandmother of Finley, Amelia, Victoria, Henry, Wiley and Fiadh. Mary was preceded in death by her parents, brothers, sisters and leaves behind many loving nieces, nephews and friends. Visitation Wednesday, Nov. 24 from 9am until the time of service at 12pm at Grove Memorial Chapel, 1199 S. Arlington Hts. Rd., Elk Grove Village. Entombment to follow at St. Michael Cemetery - Palatine.