Maryann Koch (nee Mieszczak) age 72. Devoted mother of Gayle Boettger, Tracy Koch and the late Robert(Judy). Loving grandmother of Kelley, Daniel, Vincent and Kylie. Dearest sister of Joseph Mieszczak, Melanie (Dennis) Cross and the late Christina Mieszczak. 24 years of service with University of Illinois-Chicago. Visitation Wednesday 3-9PM at the Palos-Gaidas Funeral Home, 11028 S. Southwest Hwy(7700W) Palos Hills. Funeral service Wednesday evening, 7PM at the funeral home. Express your thoughts and memories in the online Guest Book at www.palosgaidasfh.com (708) 974-4410