Brannan
- US rank
- Unranked
- Syllables
- 2
- Peak
- #2,669 in 1978
0 babies were named Brannan in the US in 2025.
Found on lists
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US births per million boys, 1971–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Brannan you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryBrannan first shows up in US birth records in 1971, the first year at least 5 babies got it. It has been in use for 54 years since.
- Best yearIts best year was 1978, when it reached #2,669.
About the name Brannan
Brannan is a boy name of Irish origin. It has 7 letters and 2 syllables, starting with B and ending in “-nan”. US birth records list Brannan for boys from 1971 to 2021, in 41 of those 51 years. Its best year was 1978, when it ranked #2,669 among boy names. It hasn't been given to 5 or more US babies in a year since 2021, so today it's a genuinely rare choice.
Origin:Irish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1970s | 3.6 | 275,229 boys |
| 1980s | 4.9 | 202,840 boys |
| 1990s | 5.6 | 179,211 boys |
| 2000s | 4.9 | 205,339 boys |
| 2010s | 1.4 | 729,927 boys |
| 2020s | 1.4 | 689,655 boys |
More Irish boy names
- Boy name: Liam · resolute protector
- Unisex name: Owen · well-born
- Unisex name: Logan · little hollow
- Unisex name: Nolan · descendant of Nuallán
- Unisex name: Gael · a Gael
- Boy name: Arthur · possibly bear
- Unisex name: Ryan · little king
- Boy name: Dominic · of the Lord
Questions about the name Brannan
What is the origin of the name Brannan?
Brannan has Irish roots in our records. Other Irish names include Liam, Owen, Logan.
Is Brannan a boy or girl name?
Brannan is a boy name.
How popular is the name Brannan?
Brannan is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2021. It peaked at #2,669 in 1978.