Brennan Name Meaning & Origin
Origin of the name Brennan:
Transferred use of the surname, which is from the Irish O Brennan, the Anglicized form of the Gaelic Ó Braonáin (descendant of Braoin). Braoin is a Gaelic name meaning “sorrow, saddness.” Brennan is also an English surname and is evolved from the Old English Burnand (burned hand). The name makes reference to the medieval practice of burning the hands of those caught breaking the law. Var: Brennand, Brennen.
From A World of Baby Names by Teresa Norman.
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- Nicknames for Brennan
B or Bren
- Meanings and history of the name Brennan
Back in 1986 when we were looking for names, I found a book that said it meant "Brave and bold, even when young"
- Famous real-life people named Brennan
Brennan Manning, author
Brennan Boesch, outfielder for the Detroit Tigers
- Brennan in song, story & screen
Dr Temperance Brennan, a character on "Bones".