Cain vs Caius

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

Name A

Cain

Boy name · Rank #975

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Name B

Caius

Boy name · Rank #1062

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Which name is more popular?

Metric Cain Caius
Current Rank #975 #1062
Total Births (all years) 7,441 2,074
Peak Year 2014 2024
Peak Year Births 330 205
Peak Decade 2010ss 2010ss
Gender Boy Boy
First Recorded Year 1910 1994

Births by Decade

Decade Cain Caius
1910ss 31 —
1920ss 51 —
1930ss 35 —
1940ss 15 —
1950ss 38 —
1960ss 73 —
1970ss 257 —
1980ss 380 —
1990ss 1,046 12
2000ss 1,480 205
2010ss 2,813 1,068
2020ss 1,222 789

Recent Annual Births (2014–present)

Year Cain Caius
2014 330 124
2015 326 138
2016 324 153
2017 262 110
2018 251 130
2019 284 137
2020 254 156
2021 235 138
2022 253 150
2023 250 140
2024 230 205

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, 1910–2024.

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