Sean vs Seamus

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

Name A

Sean

Boy name · Rank #436

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Name B

Seamus

Boy name · Rank #1446

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Which name is more popular?

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

Births by Decade

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

Recent Annual Births (2014–present)

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

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, 1925–2024.

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