Brennan

Meaning of Brennan

It means "descendant of Branán" or "raven". It can also mean "sorrow" or "drop of moisture".

Brennan has Irish roots — browse every Irish baby name in our catalog.

Popularity of Brennan

After ranking as high as #242 in 2009, Brennan has fallen out of the US top 1,000 as of 2025.

Notable people named Brennan

• Brennan Elliott
  Canadian actor
• Brennan Brown
  American actor
• Brennan Clay
  American football player
• Brennan Boesch
  Former baseball outfielder
• Brennan Heart
  Dutch DJ and producer

More Irish names

Questions about the name Brennan

What does the name Brennan mean?

Brennan means it means "descendant of branán" or "raven". it can also mean "sorrow" or "drop of moisture", and it comes from Irish origins.

Is Brennan a boy's or a girl's name?

Brennan is most commonly used as a boy's name in the United States.

How popular is the name Brennan?

Brennan did not appear in the top 1,000 baby names in 2025, which makes it a genuinely uncommon pick.

When was Brennan most popular?

Brennan peaked at #242 in 2009.