—2024 rank
2009peak year
31,176babies named Brennan since 1880
▼ 39%5-year trend
Brennan popularity over 145 years
🌱 Below the charts · roughly undefined% girls / NaN% boys in 2024
What does Brennan mean?
From the Irish surname O Braonain, descendants of a personal name rooted in braon, meaning drop or moisture, and sometimes linked to bran, raven.
OriginIrish
Syllables2
Genderboy
Stylemodern, classic
Names like Brennan
Same era, same vibe — if you like Brennan, these usually land on the shortlist too.
Famous Brennans
Spellings & variants
Brennen
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