N
NamyLab

Brennan

female
Updated 6 months ago

Meaning

"Descendant of Braonán"

Irish surname-origin name that entered given-name usage, retaining a genealogical sense tied to an ancestral personal name.

Themes:gaeliclineagesurname
UniqueRare

Fact-checked by Lily Anderson

M.F.A. Creative Writing, Sarah LawrencePublished NovelistName Collection Curator • Creative Names Editor

This name has been verified against authoritative sources including SSA data, etymology databases, and cultural naming traditions.

Popularity History of Brennan

Full SSA rank history from 1880 to 2024

#6414Ranked in 2024

Loading chart...

Yearly Ranking Snapshot

Pick any SSA release year to inspect that year's national ranking and how it changed from the year before.

Selected Year Rank
#6414

Brennan was nationally ranked in 2024.

Change Vs Previous Year
+564

better than 2023

Data Source

Popularity rankings are based on official data from the Social Security Administration (SSA), which tracks baby name applications in the United States.

Last updated: 2024 • Data source updated annually

Brennan Nicknames

Familiar short forms, playful variations, and easy everyday options for Brennan.

12 ideas
Breie
Nickname
Bren
Nickname
bren
Nickname
bro
Nickname
brey
Nickname
brie
Nickname
enny
Nickname
nany
Nickname
nnan
Nickname
br
Nickname
bbie
Nickname
BR
Nickname

Similar Names to Brennan

female

Ann

“Grace, Favor”

#1141
|Hebrew
female

Anita

“Grace Favor”

#1463
|Hebrew
female

Annette

“Grace”

#1304
|French
female

Agnes

“Pure”

#1063
|Greek
female

Arlene

“Pledge or Promise”

#1798
|English
female

Antoinette

“Priceless One”

#2882
|French
female

Alberta

“Noble; Bright”

#10281
|Germanic
female

Adrienne

“From Hadria”

#1455
|French
female

Alana

“Beautiful or Noble”

#143
|Irish
female

Alisha

“Noble”

#1137
|Hebrew

Baby Name Lists That Include Brennan

Browse every Namylab list page that currently includes Brennan, from meaning and origin collections to letter, syllable, and themed baby name lists.

11 linked lists

❓ Frequently Asked Questions

What does the name Brennan mean?
Brennan means "Descendant of Braonán". Irish surname-origin name that entered given-name usage, retaining a genealogical sense tied to an ancestral personal na
What is the origin of Brennan?
Brennan is of Irish origin. The name has been used historically across cultures and carries significant cultural meaning within its origin tradition.
How popular is the name Brennan?
According to the latest SSA data, Brennan is currently ranked #6414 in the United States. The name has shown interesting trends over the past century, with popularity varying based on cultural preferences and naming trends.
Is Brennan a girl name?
Brennan is traditionally a girl name. However, modern naming practices are increasingly flexible, and names can be used across genders based on personal preference.
What are good nicknames for Brennan?
Popular nicknames for Brennan include Breie, Bren, bren, bro, and more. These offer shorter, more casual alternatives for everyday use.
What names are similar to Brennan?
There are many names similar to Brennan in meaning, origin, or sound. Explore the Similar Names section to discover alternatives that may resonate with you.

Quick Facts

OriginIrish
Syllables2
Length7 letters
US Rank#6414
Trend↑ Rising
Starts withB

Sibling Ideas

Explore More Girl Names Like Brennan

Brennan has Irish roots, making it a wonderful choice if you love names from this heritage. Discover more options in our Irish baby names collection, where you'll find hundreds of names with similar cultural depth.

Brennan appears in several of our curated collections. Check out Beautiful Irish Baby Names and Unique Baby Names for more names with a similar feel. You might also enjoy browsing Names That Mean Child Of God for Boys and Girls and Names That Mean The End for Boys and Girls.

Before you decide, try our Full Name Preview to see how Brennan pairs with your surname. The Sibling Name Matcher can help find names that complement Brennan beautifully, and the Nickname Predictor reveals the most common short forms.

Explore our full baby name lists for origin-based, meaning-based, and themed collections, or head back to the baby name generator to continue your search.