Brennan vs Brett

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

Name A

Brennan

Boy name · Rank #1058

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Name B

Brett

Boy name · Rank #1059

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Which name is more popular?

Metric Brennan Brett
Current Rank #1058 #1059
Total Births (all years) 33,258 159,109
Peak Year 2009 1986
Peak Year Births 1,464 4,729
Peak Decade 2000s 1980s
Gender Boy Boy
First Recorded Year 1916 1926

Births by Decade

Decade Brennan Brett
1910s 5 -
1920s - 10
1930s - 38
1940s 6 547
1950s 80 7,255
1960s 394 25,835
1970s 934 28,922
1980s 2,719 41,289
1990s 8,300 35,422
2000s 11,745 14,659
2010s 7,625 3,947
2020s 1,450 1,185

Recent Annual Births (2014–present)

Year Brennan Brett
2014 806 386
2015 690 324
2016 549 333
2017 464 315
2018 382 288
2019 340 275
2020 315 241
2021 265 201
2022 224 216
2023 213 187
2024 207 207
2025 226 133

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, 1916–2025.

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