Brendan vs Brennan

Side-by-side comparison of Brendan and Brennan — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Brendan

Boy name · Rank #1010

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Name B

Brennan

Boy name · Rank #1055

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Which name is more popular?

Metric Brendan Brennan
Current Rank #1010 #1055
Total Births (all years) 91,612 33,032
Peak Year 1999 2009
Peak Year Births 3,994 1,464
Peak Decade 1990ss 2000ss
Gender Boy Boy
First Recorded Year 1912 1916

Births by Decade

Decade Brendan Brennan
1910ss 85 5
1920ss 165 —
1930ss 289 —
1940ss 444 6
1950ss 984 80
1960ss 3,437 394
1970ss 6,931 934
1980ss 14,601 2,719
1990ss 28,511 8,300
2000ss 25,836 11,745
2010ss 8,907 7,625
2020ss 1,422 1,224

Recent Annual Births (2014–present)

Year Brendan Brennan
2014 922 806
2015 825 690
2016 688 549
2017 560 464
2018 490 382
2019 422 340
2020 343 315
2021 327 265
2022 269 224
2023 262 213
2024 221 207

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 1912–2024.

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