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

Full profile →
Name B

Brennan

Boy name · Rank #1058

Full profile →

Which name is more popular?

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

Births by Decade

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

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 207 207
2025 133 226

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, 1926–2025.

← Compare different names