I am researching Mabel E. Isenberger, b. September 25, 1882, Niota, Illinois - Hancock Co., d. October 1936 (?), Big Timber, Montana - Sweetgrass Co. She is the oldest child of George Washington Isenberger and Mary McMahon. George Washington Isenberger was one of the sons of Rachel and Jacob. Mabel married Charles Rupert in Montana about 1900. She may have died in 1936, but that is contradictory to courthouse records where she reported her husband's death in 1951.