Mary Louise Holtz, nee Gore, age 78, of Niles, MI, formerly of Chicago and Clarendon Hills, IL. Beloved wife of the late Leonard Holtz; dear mother of Robert (Roxanne) Holtz, Joseph Holtz, Stanley Holtz and Steven (Jill) Holtz; fond grandmother of Benjamin Holtz, Henry Holtz, William Holtz, Jackson Holtz, Katherine Holtz, Dylan Holtz and Maxwell Holtz; sister of Shirley (Vincent) Gentile; aunt of many nieces and nephew; Visitation Friday, January 6, 2012, 3 P.M. to 9 P.M. and Saturday, January 7, 2012, 8:45 A.M. to 9:15 A.M. at Hitzeman Funeral Home Ltd. 9445 West 31st Street, Brookfield. Funeral Saturday 9:15 A.M. to St. Francis Xavier Church, La Grange, Mass 10 A.M. Interment Queen of Heaven Cemetery. Memorials appreciated to National Parks Conservation Association, 777 6th Street N.W., Suite 700, Washington, DC 20001-3723 or American Heart Association, 3816 Paysphere Circle, Chicago, IL 60674. Information 708-485-2000 or www.HitzemanFuneral.com