Caius vs Cain

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

Name A

Caius

Boy name · Rank #1060

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Name B

Cain

Boy name · Rank #981

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Which name is more popular?

Metric Caius Cain
Current Rank #1060 #981
Total Births (all years) 2,329 7,628
Peak Year 2025 2014
Peak Year Births 254 330
Peak Decade 2010s 2010s
Gender Boy Boy
First Recorded Year 1994 1910

Births by Decade

Decade Caius Cain
1910s - 31
1920s - 51
1930s - 35
1940s - 15
1950s - 38
1960s - 73
1970s - 257
1980s - 380
1990s 12 1,046
2000s 205 1,481
2010s 1,068 2,814
2020s 1,044 1,407

Recent Annual Births (2014–present)

Year Caius Cain
2014 124 330
2015 138 326
2016 153 324
2017 110 262
2018 130 251
2019 137 285
2020 156 254
2021 138 235
2022 150 253
2023 140 250
2024 206 230
2025 254 185

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, 1994–2025.

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