Brennan
name ·2 syllables ·Rare ·Advanced level
Definitions
- 1 A surname from Irish.
"Another friend was present while I was there, veteran criminal defense attorney William J. Brennan, jealously guarding an SUV full of memorabilia he’d purchased, including a Rizzo fedora and walking stick, the former of which he told me he hoped Rizzo was wearing during the famous “crumb bum” exchange with television reporter Stan Bohrman."
- 2 A male given name transferred from the surname, of mostly American usage.
- 3 A male given name, variant of Brendan.
Example
More examples"Another friend was present while I was there, veteran criminal defense attorney William J. Brennan, jealously guarding an SUV full of memorabilia he’d purchased, including a Rizzo fedora and walking stick, the former of which he told me he hoped Rizzo was wearing during the famous “crumb bum” exchange with television reporter Stan Bohrman."
Etymology
From Irish Ó Braonáin (“descendant of Braonán”), a diminutive of braon (“moisture, drop”). Alternatively, from Irish Ó Branáin (“descendant of Branán”), a diminutive of bran (“raven”).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.