Isaac Prosser, son of Isaac, was born in Washington Co., R. I., in January, 1816. In 1843 he married Cornelia A., daughter of Joseph S. Crandall, and settled at Dodge's Creek where he was engaged in lumbering. In 1856 he removed to Little Genesee and was in the mercantile business for a few years. He was supervisor, and served as justice of the peace for about 25 years. He was a man well known and respected. He died Nov. 30, 1888. Of his family of 7 children 4 are living: Mary E. (Mrs. Sherman D. Wells), Viola J. (Mrs. A. J. Hall), Arlouine and Martha M.