John GEHRINGER, from St. Charles, was one of the original trustees of Immaculate Conception Parish which was established in 1870 and was referred to as the German Catholic Church. (Source: A brief history of the town and church of Saint Marys comes from the book, Cemetery and Death Records of Warren County, Iowa, by the Warren County Genealogical Society, 1980, p.318.)
He also served as trustee for Jackson Township in Warren County 1913, 1922-1924. (Source - Financial Reports of Warren County, compiled annually by the county auditor.)