Mary Ann Heilig Cox Obituary
The world bids farewell to Mary Ann Heilig Cox (Belleville, Illinois), born in Saint Louis, Missouri, departing on December 29, 2025 at the age of 94. Mary Ann leaves behind memories cherished by the community. Leave a sympathy message to the family in the guestbook on this memorial page of Mary Ann Heilig Cox to show support.
She was predeceased by: her former husband Paul Gregory Heilig; her husband Commodore W. Cox, Sr.; her parents, Claude Elias and Mae; her brother Richard Donald Russell; and her stepson Commodore William Cox, Jr..
She is survived by: her children, Gregory Russell Heilig (Christine) of Waterloo, IL, Christopher Charles Heilig (Leslie) of Shiloh, IL and Katherine Ellen Schlechte (Eric) of Millstadt, IL.; and her grandchildren, Byron Paul Heilig (Gabby) of O'Fallon, IL, Samuel Dane Schlechte (Nikki) of Millstadt, IL and Sarah Lynn. She is also survived by many nieces, nephews, cousins, and many special friends.
Memorials may be made in the form of masses, or to St. Henry Catholic Church, Siteman Cancer Research Center.
