Brennan
Descendant of Braonán; 'Descendant of the sad one'.
Ireland origin · Unisex name
94% boys6% girls
#1023US 2023
213Births / yr
Falling
34.2kAll-time births
📅 Since 196500
How to pronounce Brennan
BREN·AN
/ˈbrɛn.ˈæn/ · stress on BREN · 2 syllables
Descendant of Braonán; 'Descendant of the sad one'.
Ireland origin · Unisex name

What does Brennan mean and where does it come from?

Brennan is traditionally a male name in Ireland but has emerged as a unisex name in contemporary contexts, especially in the U.S. It is derived from the Gaelic surname 'Braonán', which can mean 'descendant of Braon' or 'the sad one'. This name has been used since medieval Ireland and is associated w

Cultural significance
Brennan has been a cherished name across cultures, particularly in Ireland-speaking communities, where it reflects values of descendant of braonán; 'descendant of the sad one'..
Peak popularity
Reached #1869 in 1994 — currently #1023 in the US.
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Related Reading
Ireland-origin baby names with timeless appeal
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How else can you spell Brennan?

Same sound, different look — useful if you want something slightly more distinctive

What middle names flow best with Brennan?

Brennan works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Brennan Grace
Most popular combo · classic
Brennan Rose
Floral · soft ending
Brennan Mae
Sweet · timeless
Brennan Claire
French influence · crisp
Brennan Jane
Literary · strong
Brennan Skye
Modern · airy feel
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Middle Names
The best middle names for Brennan
Browse ideas →

How popular is Brennan right now?

Declining — down 28 spots — currently #1023 in the US out of 135.5k tracked names

US Trend 19652023#1023 · Top 0.75%
1965
1975
1980
1985
1990
1995
2000
2005
2010
2015
2020
2021
2022
2023
YearUS RankBirthsvs Prior Year
2023#1023213▼ down 28 · -5% births
2022#995224▼ down 123 · -15% births
2021#872265▲ up 3371 · +728% births
2020#424332▼ down 476 · -20% births
2015#376740▼ down 1423 · -51% births
2010#234481▲ up 928 · +72% births
2005#327247▼ down 49 · +12% births
2000#322342▼ down 1061 · -32% births
1995#216262▲ up 652 · +51% births
1990#281441▲ up 1204 · +105% births
1985#401820▼ down 494 · -13% births
1980#352423▲ up 1726 · +109% births
1975#525011▲ up 1540 · +120% births
1965#67905

The story of Brennan

Brennan is a relatively modern name, first appearing in US records in 1965. A total of 34,236 babies have received this name. The name has grown more popular over time, rising from #6790 in 1965 to #1023 in 2023. Brennan is used for both genders: 6% female and 94% male.

Names that peaked alongside Brennan in 1994:

Brennan by decade

DecadeBirths
1910s5
1940s6
1950s80
1960s399
1970s1,010
1980s2,973
1990s8,873
2000s12,389
2010s8,157
2020s344

What are good nicknames for Brennan?

Common
BreBrieBryEnnan

How is Brennan written in other languages?

Common questions about the name Brennan

What does the name Brennan mean?
Brennan means "Descendant of Braonán; 'Descendant of the sad one'." — a name rooted in Ireland tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Brennan?
Brennan is currently a distinctive and less common name as a baby name in the US and is becoming rarer and more distinctive, making it a unique choice that stands out.
What is the cultural origin of Brennan?
Brennan originates from Ireland tradition. Ireland names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
How do you pronounce the name Brennan?
Brennan is a two-syllable name pronounced B R EH1 N AE1 N. The pronunciation is straightforward for English speakers, and the name reads clearly on paper — an important practical consideration for parents.
Is Brennan a common or rare name?
Brennan is a distinctive choice that balances familiarity with individuality. It strikes a balance between standing out and fitting in.