Brett vs Brennan

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

Name A

Brett

Boy name · Rank #1059

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Name B

Brennan

Boy name · Rank #1055

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Which name is more popular?

Metric Brett Brennan
Current Rank #1059 #1055
Total Births (all years) 158,979 33,032
Peak Year 1986 2009
Peak Year Births 4,731 1,464
Peak Decade 1980ss 2000ss
Gender Boy Boy
First Recorded Year 1926 1916

Births by Decade

Decade Brett Brennan
1910ss — 5
1920ss 10 —
1930ss 38 —
1940ss 548 6
1950ss 7,255 80
1960ss 25,834 394
1970ss 28,926 934
1980ss 41,293 2,719
1990ss 35,419 8,300
2000ss 14,659 11,745
2010ss 3,947 7,625
2020ss 1,050 1,224

Recent Annual Births (2014–present)

Year Brett Brennan
2014 386 806
2015 324 690
2016 333 549
2017 315 464
2018 288 382
2019 275 340
2020 241 315
2021 201 265
2022 216 224
2023 187 213
2024 205 207

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, 1926–2024.

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