Brennan
girl name#9457 in 2025Brennan entered the US charts in 1973, peaked at #1862 in 1994, ranks #9457 today — a rare gem few children share.
Popularity 1973–2025
#9457
rank today
#1862
peak (1994)
10
babies in 2025
rare
a rare gem few children share
Rank by decade
| Decade | Average rank |
|---|---|
| 1970s | #5807 |
| 1980s | #3525 |
| 1990s | #2335 |
| 2000s | #2699 |
| 2010s | #3295 |
| 2020s | #6057 |
Strongest states
Over the last decade, Brennan has been most popular in TX, NC.
Living bearers
About 2,200 people named Brennan are estimated to be alive in the US today.
The typical Brennan alive today was born around 2004, making them about 21 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 #9457 among US girl names in 2025, with 10 babies given the name.
- When was the name Brennan most popular?
- Brennan peaked in 1994, reaching #1862 among US girl names.
- Will my child share the name Brennan with classmates?
- Brennan will almost certainly be the only one in school.
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