Kiernan vs Kieran

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

Name A

Kiernan

Boy name · Rank #3104

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Name B

Kieran

Boy name · Rank #440

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Which name is more popular?

Metric Kiernan Kieran
Current Rank #3104 #440
Total Births (all years) 1,727 16,788
Peak Year 2008 2024
Peak Year Births 77 713
Peak Decade 2000ss 2010ss
Gender Boy Boy
First Recorded Year 1957 1918

Births by Decade

Decade Kiernan Kieran
1910ss — 8
1920ss — 38
1930ss — 48
1940ss — 81
1950ss 5 222
1960ss 9 374
1970ss 20 416
1980ss 88 610
1990ss 338 2,177
2000ss 645 4,412
2010ss 449 5,279
2020ss 173 3,123

Recent Annual Births (2014–present)

Year Kiernan Kieran
2014 42 483
2015 40 560
2016 32 539
2017 54 567
2018 43 577
2019 29 581
2020 33 556
2021 41 598
2022 31 620
2023 29 636
2024 39 713

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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