Kaisyn vs Kai

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

Name A

Kaisyn

Boy name · Rank #1603

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Name B

Kai

Boy name · Rank #76

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Which name is more popular?

Metric Kaisyn Kai
Current Rank #1603 #76
Total Births (all years) 774 66,409
Peak Year 2024 2022
Peak Year Births 107 5,366
Peak Decade 2020ss 2010ss
Gender Boy Boy
First Recorded Year 2010 1926

Births by Decade

Decade Kaisyn Kai
1920ss — 6
1930ss — 6
1940ss — 10
1950ss — 148
1960ss — 341
1970ss — 593
1980ss — 960
1990ss — 2,639
2000ss — 12,620
2010ss 333 25,976
2020ss 441 23,110

Recent Annual Births (2014–present)

Year Kaisyn Kai
2014 33 2,411
2015 29 2,852
2016 40 2,895
2017 45 3,155
2018 62 3,462
2019 51 3,741
2020 74 3,863
2021 78 4,638
2022 93 5,366
2023 89 4,967
2024 107 4,276

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, 2010–2024.

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