Meaning and name origin
Sweeney has 1 variant form: Sweeny.
Sweeney is not a popular first name for males but a very popular surname or last name for all people (#650 out of 88799, Top 1%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Sweeney for boys. Sweeney has not been ranked in the Top 1000/100 so far. (2014 statistics).