Seamus vs Sean

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

Name A

Seamus

Boy name · Rank #1446

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Name B

Sean

Boy name · Rank #436

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Which name is more popular?

Metric Seamus Sean
Current Rank #1446 #436
Total Births (all years) 7,656 423,036
Peak Year 2008 1990
Peak Year Births 298 12,018
Peak Decade 2000ss 1980ss
Gender Boy Boy
First Recorded Year 1957 1925

Births by Decade

Decade Seamus Sean
1920ss — 12
1930ss — 101
1940ss — 659
1950ss 25 5,452
1960ss 122 47,284
1970ss 333 83,843
1980ss 497 103,875
1990ss 1,241 92,001
2000ss 2,446 64,131
2010ss 2,268 21,534
2020ss 724 4,144

Recent Annual Births (2014–present)

Year Seamus Sean
2014 239 2,125
2015 221 1,894
2016 218 1,670
2017 211 1,481
2018 178 1,325
2019 197 1,128
2020 161 975
2021 158 900
2022 143 803
2023 137 740
2024 125 726

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, 1957–2024.

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