as a Last Name
- 42,866
- people in the U.S. have this name Get contact details for people named Duffy
Meaning & Origins
Irish: reduced Anglicized form of Gaelic Ó Dubhthaigh ‘descendant of Dubhthach’, a byname derived from dubh ‘black’ (see Duff). This name was borne by a 6th-century saint who was archbishop of Armagh.
| 810th in the U.S. for 2011 |
Nicknames & variations
Quick facts
- Tens of Thousands
- of people in the U.S have this name
- 42,866
- to be exact (as of February 2011)
- Rhode Island
- has the most people named Duffy per capita
Top state populations
U.S. Distribution Map
