John J. (Jack) Theurer, 64, of Jericho formerly of Sea Cliff, died suddenly on March 28, 1998. Husband of the late Barbara. Father of Eve R. Finger (Carl) and Michael S. Theurer. Arrangements were made by the Dodge-Thomas Funeral Home, Glen Cove. Mass at St. Paul the Apostle RC Church. Interment Holy Rood Cemetery.