Meaning and name origin
Duffy is not a popular first name for males but a very popular surname or last name for all people (#889 out of 88799, Top 1%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Duffy for boys. Duffy has not been ranked in the Top 1000/100 so far. (2014 statistics).
Duffy is also pronounced similarly to Daffy. Like Duffy, this name is not commonly used.