According to the 1870 Federal Census, Andrew FEI was born in Wisconsin, his mother Catherine was born in Prussia c. 1818. In the 1880 census Catherine is shown as born in Bavaria, as was the unnamed father of Andrew.
I have Andrew FAY's family on the 1870, 1880, 1900, 1910, 1920 and 1930 census in Manitowc County, Wisconsin.
Andrew married Lena (or possibly Magdalena) Stadler in 1877.They had three children all born in Manitowoc County, Wisconsin - Nicolaus/Nicholas, Clara, and George.
looking for relatives of Andrew, especially his father, who might be John FEI /FAY.