Boy name origins & meanings
- Old English : Fiery hill
Boy name variations
How Popular Is The Name Brennan
Family name origins & meanings
- Irish : (predominantly southern) Anglicized form of Gaelic Ó Braonáin ‘descendant of Braonán’, a personal name from a diminutive of braon ‘moisture’, ‘drop’. Compare Breen.
- Irish : (predominantly northern) Anglicized form of Gaelic Ó Branáin ‘descendant of Branán’, a personal name meaning ‘little raven’ (see Brannigan).