Kaidyn vs Kai

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

Name A

Kaidyn

Boy name · Rank #1961

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Name B

Kai

Boy name · Rank #76

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Which name is more popular?

Metric Kaidyn Kai
Current Rank #1961 #76
Total Births (all years) 2,671 66,409
Peak Year 2014 2022
Peak Year Births 190 5,366
Peak Decade 2010ss 2010ss
Gender Boy Boy
First Recorded Year 1999 1926

Births by Decade

Decade Kaidyn Kai
1920ss — 6
1930ss — 6
1940ss — 10
1950ss — 148
1960ss — 341
1970ss — 593
1980ss — 960
1990ss 6 2,639
2000ss 597 12,620
2010ss 1,544 25,976
2020ss 524 23,110

Recent Annual Births (2014–present)

Year Kaidyn Kai
2014 190 2,411
2015 156 2,852
2016 156 2,895
2017 100 3,155
2018 139 3,462
2019 156 3,741
2020 113 3,863
2021 100 4,638
2022 108 5,366
2023 123 4,967
2024 80 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, 1999–2024.

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