Wiersch, Mary R. nee Heck Mary R. Wiersch nee Heck, 84, of Ballwin, Mo., formerly of Waterloo, died January 29, 2006, in Chesterfield, Mo. She was born December 20, 1921, in Madonnaville, the daughter of the late Anton and Anna Heck nee Bussen. She was married to the late Frank C. Wiersch. Mrs. Wiersch is survived by her children Theresa (Dr.Phil) Hendricks of Clayton, Mo., and Jim (Cindy) Wiersch of St. Clair, Mo.; five grandchildren; seven great-grandchildren; sister Vera (Elmer) Schneider of Waterloo; and brother Joe Heck of Waterloo. She was preceded in death by her parents, husband, and brothers Adam Heck, Anton Heck, Leo Heck and Roger Heck. Mrs. Wiersch was a member of Ss. Peter and Paul Catholic Church in Waterloo, and well as Mary and Martha Society and ASC Associates in Ruma. Visitation was at Quernheim Funeral Home. A funeral mass was at Quernheim Funeral Home, Msgr. Thomas Flach officiating. She is buried at Ss. Peter and Paul Cemetery in Waterloo. Memorials may be made to the St. Louis Dream Factory.