Brennan
Brennan is a girl's name of Irish origin.
Meaning
Sorrow, moisture, or raindrop.
Origin and history
Brennan is derived from an Irish surname rooted in O'Braonain, meaning descendant of Braonan. Traditionally used as a masculine name, it has also seen steady use for females in the United States as part of the surname-as-a-first-name trend. It carries a modern yet classic Celtic feel.
Popularity in the United States
2,229 babies in the United States have been named Brennan since 1880. It ranks #3725 all-time. Among babies born since 2020 it ranks #1968.
States where it is most popular
- TX (40.8 %)
- NC (11.1 %)
- TN (10.6 %)
- CA (10.2 %)
- VA (4.2 %)
Trends by decade
| Decade | Births |
|---|---|
| 1880-1890 | 0 |
| 1890-1900 | 0 |
| 1900-1910 | 0 |
| 1910-1920 | 0 |
| 1920-1930 | 0 |
| 1930-1940 | 0 |
| 1940-1950 | 0 |
| 1950-1960 | 0 |
| 1960-1970 | 0 |
| 1970-1980 | 74 |
| 1980-1990 | 254 |
| 1990-2000 | 574 |
| 2000-2010 | 649 |
| 2010-2019 | 545 |
| 2020-2029 | 133 |
Nicknames
Bren
Fun facts
- Brennan originally comes from the Gaelic personal name Braonan, which is connected to the word for a drop of moisture.
- While predominantly given to boys, Brennan has been continuously used as a female given name in the U.S. for decades.