The surname Fermi comes from the name of a town of Fermo near ASCOLI PICENO, 150 km from ROME. The father of Enrico Fermi was from PIACENZA (near MILANO) and his mother from the area of BARI (southern Italy. Fermi is often in Italy a jewish surname and of course it comes from Fermo where a jewish community settled in the past centuries and then dispersed around Italy. I am not sure that Fermi was jewish, but his wife was. That's why the went to USA. Enrico Fermi was an opponent of fascist regime. He has been a great scientist!