Letrich, Helen A., Beloved wife of the late Andrew J. Letrich. Devoted mother of Andrew H. (Cerry) and Nancy (the Late Jan-Michael) Pruchnicki. Cherished grandmother of Louis, Wesley, Ryan, Michelle, Russell and Justin. Great grandmother of Jake, Amber, Raine, Cole, Lexie, Riley, Violet and Roslin. Dear sister of the late Henry Petichon. Visitation Tuesday, 10:00 a.m. until time of Service 11:00 a.m. at Kolbus -John V. May Funeral Home, 6857 W. Higgins Avenue, Chicago. Interment Irving Park Cemetery. (773)774-3232.