All about the name

Brennan

Female

« Brennan is an Irish name derived from 'Breanainn', meaning 'little bright one'. It's associated with the prominent O'Brien family and has been used for both males and females. »

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Meaning, origin, history

Brennan is a name of Irish origin, derived from the Gaelic word "Breanainn," which means "little bright one." It is believed to have come from an old personal name that was popular among the ancient Celts. The name Brennan is associated with the O'Briens, a prominent Irish family who were known as the Kings of Thomond. According to legend, the O'Briens traced their lineage back to Brian Boru, the High King of Ireland in the 11th century. The name Brennan has been used for both males and females throughout history, although it is more commonly associated with men. In recent years, however, it has gained popularity as a female name as well. Some notable individuals who have borne the name Brennan include Brennan Manning, an American author and motivational speaker, and Brennan Huff, a fictional character played by Ryan Reynolds in the 2004 comedy film "Just Friends." Despite its Irish origins, the name Brennan has been adopted by people of various backgrounds and nationalities around the world. It is a strong, distinctive name that carries with it a sense of history and tradition. Whether you are Irish or not, choosing the name Brennan for your child is a great way to honor Ireland's rich cultural heritage while giving them a unique and memorable name to carry through life.

In numbers

Popularity of the name Brennan since 1880

Total births
2,200
Total since 1880
Peak year
2007
100 births
in 2023
16
Recent births (5 years)
5-year trend
-31%
vs previous 5 years