as a Last Name
- 48,893
- people in the U.S. have this name View all people named Brennan
Meaning & Origins
Irish: 1. (predominantly southern) Anglicized form of Gaelic Ó Braonáin ‘descendant of Braonán’, a personal name from a diminutive of braon ‘moisture’, ‘drop’. Compare Breen. 2. (predominantly northern) Anglicized form of Gaelic Ó Branáin ‘descendant of Branán’, a personal name meaning ‘little raven’ (see Brannigan).
| 581st in the U.S. for 2011 |
Nicknames & variations
Quick facts
- Tens of Thousands
- of people in the U.S have this name
- 48,893
- to be exact (as of February 2011)
- Rhode Island
- has the most people named Brennan per capita
Top state populations
U.S. Distribution Map
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