Brennan
BoyIrish
Brennan is a boy name of Irish origin meaning "Descendant of Braonán, meaning “little drop”".
About this name
Gender
Boy
Language
Irish
Religion
None
Popularity
8 / 100
Syllables
2
Length
7 letters
Meaning
Descendant of Braonán, meaning “little drop”
Etymology
From the Irish surname Ó Braonáin, derived from the personal name Braonán, a diminutive of braon “drop, tear”.
Famous People Named Brennan
- Brennan Johnson — Welsh-English association football player (born 2001)
Frequently Asked Questions About Brennan
What does the name Brennan mean?
Brennan means "Descendant of Braonán, meaning “little drop”", and is of Irish origin.
What is the origin of the name Brennan?
Brennan originates from Irish, commonly used in Ireland.
Is Brennan a boy or girl name?
Brennan is typically used as a boy name.
What religion is the name Brennan associated with?
Brennan is associated with None.
Are there famous people named Brennan?
Yes — notable people named Brennan include Brennan Johnson (Welsh-English association football player, born 2001).
Last updated: June 2026