Leonides vs Leo

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

Name A

Leonides

Boy name · Rank #5466

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Name B

Leo

Boy name · Rank #24

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Which name is more popular?

Metric Leonides Leo
Current Rank #5466 #24
Total Births (all years) 682 251,760
Peak Year 2015 2022
Peak Year Births 17 8,290
Peak Decade 2010ss 2010ss
Gender Boy Boy
First Recorded Year 1920 1880

Births by Decade

Decade Leonides Leo
1880ss — 2,098
1890ss — 4,691
1900ss — 5,629
1910ss — 26,656
1920ss 24 36,960
1930ss 13 22,864
1940ss 24 16,962
1950ss 19 15,537
1960ss 87 9,485
1970ss 73 5,365
1980ss 78 4,542
1990ss 85 4,738
2000ss 84 12,274
2010ss 141 44,700
2020ss 54 39,259

Recent Annual Births (2014–present)

Year Leonides Leo
2014 11 3,976
2015 17 4,602
2016 14 5,299
2017 16 5,965
2018 17 6,772
2019 14 7,501
2020 11 7,222
2021 11 7,802
2022 9 8,290
2023 6 8,152
2024 17 7,793

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, 1920–2024.

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