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Brennan

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

Boy's name · #1003 in the US (2025) · 2000s

Brennan reached #242 in 2009 and has eased to #1003 since. About 33,000 boys have carried it since 1916.

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:

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

Similar names: Quinn · Brendan · Keegan · Braden · Brodie · Keenan

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

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