BabyNameLens · Girl names · Boy names

Brennan

“Little raven, or 'moisture/drop' (two Irish patronymic origins)” — Irish origin

Boy's name · #1002 in the US (2025) · 2000s

Brennan has appeared in US records since 1916 — best rank #242 (2009) · 33,258 babies named Brennan all-time · 1 in 7,700 boys born in 2025.

Appears in 2020-2025 birth records of 29 states. See the full state-by-state map on this page.

Famous Brennans

• Brennan Johnson — Welsh-English association football player (born 2001)
• Brennan Brown — American stage, film, and television actor
• Brennan Heart — Dutch DJ and hardstyle producer
• Brennan Elliott — actor
• Brennan Mejia — actor

In stories & tradition

• Brennan Huff — Step Brothers

What Brennans become

Among 85 notable people named Brennan:

Athletes appear 2.84× more often than among typical names — e.g. Brennan Johnson, Welsh-English association football player (born 2001).

Browse more boy names — popularity, trends and eras for 5,700+ American names, free.

Privacy Policy · Terms of Service