Brennan
boy name#1002 in 2025Brennan entered the US charts in 1916, peaked at #242 in 2009, ranks #1002 today — a name gently stepping back from its peak.
Popularity 1916–2025
#1002
rank today
#242
peak (2009)
226
babies in 2025
falling
a name gently stepping back from its peak
Rank by decade
| Decade | Average rank |
|---|---|
| 1910s | #3897 |
| 1940s | #3298 |
| 1950s | #2888 |
| 1960s | #1317 |
| 1970s | #872 |
| 1980s | #574 |
| 1990s | #320 |
| 2000s | #280 |
| 2010s | #456 |
| 2020s | #952 |
Strongest states
Over the last decade, Brennan has been most popular in TX, CA, LA.
Living bearers
About 32,500 people named Brennan are estimated to be alive in the US today.
The typical Brennan alive today was born around 2003, making them about 22 years old.
Estimated from official SSA birth records and life tables.
Names similar in popularity
Frequently asked questions
- How popular is the name Brennan in 2025?
- Brennan ranks #1002 among US boy names in 2025, with 226 babies given the name.
- When was the name Brennan most popular?
- Brennan peaked in 2009, reaching #242 among US boy names.
- Will my child share the name Brennan with classmates?
- Brennan will almost certainly be the only one in school.
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