Brennan Name Meaning & Origin

Brennan

Pronunciation: BREH-nən (key)

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.

Related Names:

Brennen, Brennon

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Nicknames for Brennan

Bren, Nin

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".

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