1880 Walnut Twp, Pickaway Co, OH. The census captured him there as a5 1 year old farmer. Rachel was 52 and they had children: William,12, a nd Emma C, 7. Living with them as a George and Mary Hornung, 15and 20 , respectively, apparently relatives of John, being born inWurtenburg a s well.
He was 51 in the 1880 census, making his birth year 1829.