Lucius vs Lucas

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

Name A

Lucius

Boy name · Rank #1382

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Name B

Lucas

Boy name · Rank #9

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Which name is more popular?

Metric Lucius Lucas
Current Rank #1382 #9
Total Births (all years) 9,918 320,790
Peak Year 2022 2017
Peak Year Births 161 13,029
Peak Decade 2010ss 2010ss
Gender Boy Boy
First Recorded Year 1880 1881

Births by Decade

Decade Lucius Lucas
1880ss 327 41
1890ss 291 67
1900ss 351 55
1910ss 1,029 286
1920ss 1,142 403
1930ss 799 254
1940ss 777 256
1950ss 737 339
1960ss 513 858
1970ss 413 8,824
1980ss 354 26,087
1990ss 248 38,178
2000ss 886 70,993
2010ss 1,314 118,639
2020ss 737 55,510

Recent Annual Births (2014–present)

Year Lucius Lucas
2014 122 12,174
2015 137 12,329
2016 160 12,904
2017 124 13,029
2018 128 12,659
2019 144 12,478
2020 153 11,381
2021 134 11,582
2022 161 10,962
2023 154 10,882
2024 135 10,703

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, 1880–2024.

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