When it comes to Italian surnames in America, Russo is still top dog. Over four million Italians were recorded as entering the United States between 1820 and 1920. No other ethnic group has sent so many immigrants in such a short time. Their surnames are still common around the country, especially in the Northeast. According to a tally of surnames in the 2014 U.S. census, these are the 23 most common Italian surnames in America.
1. Russo (45,787 people)
2. Marino (26,789 people)
3. Romano (24,280 people)
4. Rossi (23,879 people)
5. Bruno (22,917 people)
6. Esposito (21,438 people)
7. Caruso (19,400 people)
8. Rizzo (17,368 people)
9. Gallo (16,937 people)
10. Greco (16,178 people)
Source: http://www.grinbergnews.com/