No one in the family knows Peter's original religion.
The 1925 shows:
born in Austria.
If foreign born are you naturalized: Yes
No. of years in U.S. - 21
No. of years in Iowa - 3
The 1930 census shows:
Born Germany (father & mother born Germany)
mother tongue - German
immigrated 1903 & is naturalized
listed as a veteran in WW