Memorials may be made to Siteman Cancer Center, Neurological Division (Barnes Jewish). Mary J. Kirn (nee: Lyons), of St. Peters, Missouri, died on Thursday, July 23, 2009 at the age of 75. Dear daughter of the late Amel W. and Mary Virginia Simmons; dearest mother of Karen Montileone, Mark Kirn and the late Kevin Kirn; dear mother-in-law of Kathy Kirn; beloved grandmother of Katie, Kris, Kyle, Kory and Kayla Kirn, Sarah Nicholl and Lisa Pratt; great-grandmother of Cameron and Kylie Kirn, Alexandria and Ashleigh Montileone, Alyssa, Aidan and Anthony Pratt; dear sister of JoAnn (Gene) Grant, John (Cobie) Simmons and Robert (Jackie) Simmons. Mary was a Bookkeeper at Ungar & Company before her retirement.