10 Most Common Irish Last Names In America

They say everyone is Irish on St. Patrick’s Day. However, some people are definitely more Irish than others.

Related: 14 Local Pubs To Visit On St. Patrick’s Day

Below are the ten most common Irish last names found in America according to Ancestry.com. If one of these is on your birth certificate, you should be in the St. Patrick’s Day parade, not just watching it:

1. Murphy
2. Kelly
3. Sullivan
4. Butler
5. Kennedy
6. Ryan
7. O’Brien
8. Walsh
9. O’Connor
10. Fitzgerald