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Name Biscuit

Boy name

Brennan

Brennan ranks #4,099 out of 6,032 boy dog names in our data (the #1 boy dog name is Charlie). Across all 3 places, 2 dogs carry the name. It's also a cat name: #2,351 for cats.
Brennan's popularity trend

Brennan's share of dogs, year by year — or toggle to its yearly rank.

0.001%0.002%200720102013201920222025
Dogs in our data
2
across 3 places
Popularity rank
#4,099
of 6,032 boy dog names
5-year rank move
+1,312
2020 → 2025
Gender split
94% boys
6% girls94% boys
What does Brennan mean?
2 syllablesOrigin: a surname

Brennan means “descendant of Braonán” (from surname transfer Braonáin).

Etymology & pronunciation from Wiktionary (CC BY-SA 4.0).

Where Brennan shows up

Brennan's share of each place's counted dogs. Places count differently — hover a Share figure for the basis. Click a heading to sort.

PlayfordAustralia0.0%
Allegheny CountyUnited States of America0.0%

Names like Brennan

BrewsterBrewBrewerBrewskiBrettConanRonanDartagnanBreeBreezyBreezeBrenda