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Brennan

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

Popularity over time

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

Across the states

See where Brennan is more common.

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

Around the world

See how Brennan ranks in other countries and regions.

#1,944 in Canada (2025) · #2,664 in England & Wales (2025) · #3,337 in Ecuador (2025) · #703 in Scotland (2022) · #3,789 in France (2020).

Famous Brennans

• Brennan Johnson — Wales international footballer (born 2001)
• Brennan Elliott — Canadian actor (born 1975)
• Brennan Lee Mulligan — American writer, actor and gamemaster (born 1988)
• Brennan Brown — American actor (born 1968)
• Brennan Marion — American football player (born 1987)

In stories & tradition

• Brennan Huff — Step Brothers (film)

What Brennans become

Among 85 notable people named Brennan:

Sports figures appear 2.84× more often than among typical names — e.g. Brennan Johnson, Wales international footballer (born 2001).

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

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

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