KOPACKO MARGARET I. June 7, 2012. Age 100. Beloved wife of the late John. Dearest mother of John (Eileen), Dolores Doucet (Joseph) and Donald (Tish). Leaves nine grandchildren and many great-grandchildren. Sister of John Sedlacko (Ruth) and Irene Sedlacko. Visitation Monday 9:30 a.m. at St. Thomas Aquinas. Mass 10 a.m. Interment St. Hedwig. Visitation Sunday 2-8 p.m. at the Sajewski Funeral Home. 19111 W. Warren.