Brennan

Gaelic: Ó Braonáin

Variants: Mac Brennan, O’Brennan, Branny

Motto: Sub Hoc Signo Vinces
“Under this sign thou shalt conquer”

Name Meaning: Sadness

Famous Brennans:
Eileen Brennan – actress (“Private Benjamin”)
Walter Brennan – actor
William J. Brennan, Jr. – Former Supreme Court Justice
Maire Brennan – singer (Clannad)

The Brennans are the descendants of the four Ó Braonáin septs. These septs originated in Counties Kilkenny, Galway, Westmeath and Kerry. The name now ranks in the top 30 most numerous names in Ireland. Brennans can be found in Counties Kilkenny and Sligo.

 

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