Meaning and Name Origin
Cosgrove has 1 variant: Cosgrave.
Cosgrove is a rare given name for men but a very popular last name for all people (#4098 out of 88799, Top 5%). (2000 U.S. Census)
Shown below is the birth name popularity of Cosgrove for boys. Cosgrove has yet to be listed in the list thus far. (Top 1000 Baby Names Records, 2014)