Kolin vs Kolby

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

Name A

Kolin

Boy name · Rank #5716

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Name B

Kolby

Boy name · Rank #1265

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Which name is more popular?

Metric Kolin Kolby
Current Rank #5716 #1265
Total Births (all years) 1,945 11,650
Peak Year 2003 2001
Peak Year Births 79 739
Peak Decade 2000s 2000s
Gender Boy Boy
First Recorded Year 1955 1968

Births by Decade

Decade Kolin Kolby
1950s 5 -
1960s 34 5
1970s 70 154
1980s 141 712
1990s 466 2,531
2000s 651 4,729
2010s 465 2,551
2020s 113 968

Recent Annual Births (2014–present)

Year Kolin Kolby
2014 64 300
2015 58 272
2016 40 219
2017 36 166
2018 37 182
2019 27 153
2020 28 170
2021 25 151
2022 15 159
2023 11 167
2024 16 156
2025 18 165

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, 1955–2025.

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