Andrea K. Greer nee Mrugala. Beloved daughter of the late John & Mary Sue Mrugala. Cherished mother of Justin (Karen Daly) Greer. Loving sister of Dr. Frederic (Maureen) Mrugala, Dr. Christine Mrugala & Janet (Robert) Ratajczak. Fond aunt of Amanda (James) Rafferty, Jonathan Mrugala & Raina Ratajczak. Funeral Saturday 8:45 am from Thompson & Kuenster Funeral Home, 5570 W. 95th St., Oak Lawn to St. Gerald Church for Mass at 9:30 am. Interment private. Visitation Friday from 3 pm until 9 pm.