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 #1388

Full profile →
Name B

Lucas

Boy name · Rank #9

Full profile →

Which name is more popular?

Metric Lucius Lucas
Current Rank #1388 #9
Total Births (all years) 10,108 331,092
Peak Year 2025 2017
Peak Year Births 189 13,032
Peak Decade 2010s 2010s
Gender Boy Boy
First Recorded Year 1880 1881

Births by Decade

Decade Lucius Lucas
1880s 327 41
1890s 291 67
1900s 351 55
1910s 1,029 286
1920s 1,142 403
1930s 799 254
1940s 777 256
1950s 737 339
1960s 513 857
1970s 413 8,817
1980s 354 26,088
1990s 248 38,178
2000s 886 70,995
2010s 1,314 118,661
2020s 927 65,795

Recent Annual Births (2014–present)

Year Lucius Lucas
2014 122 12,175
2015 137 12,331
2016 160 12,906
2017 124 13,032
2018 128 12,665
2019 144 12,483
2020 154 11,386
2021 134 11,584
2022 161 10,973
2023 154 10,890
2024 135 10,743
2025 189 10,219

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, 1880–2025.

← Compare different names