According to the 1880 Census for Rockfish, Nelson County, VA, Fritz (39), Fannie (39) and his niece Sophie (4) lived with Julia Ott, his wife's sister. Fritz's occupation was listed as a grape grower.
In 1900 census for PONDS GAP & CRAIGSVILLE PCT, AUGUSTA County, VA Fritz was listed as Head of household, reported married 22 years. Gave his birth date as April 1840. Stated he came to the US in 1878, was naturalized. He was from Germany. Could read, write and speak English. Rented his home.