Leonard vs Leo

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

Name A

Leonard

Boy name · Rank #673

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Name B

Leo

Boy name · Rank #24

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Which name is more popular?

Metric Leonard Leo
Current Rank #673 #24
Total Births (all years) 293,884 251,760
Peak Year 1921 2022
Peak Year Births 5,650 8,290
Peak Decade 1920ss 2010ss
Gender Boy Boy
First Recorded Year 1880 1880

Births by Decade

Decade Leonard Leo
1880ss 2,144 2,098
1890ss 3,166 4,691
1900ss 5,022 5,629
1910ss 31,878 26,656
1920ss 53,793 36,960
1930ss 39,214 22,864
1940ss 44,286 16,962
1950ss 43,553 15,537
1960ss 28,439 9,485
1970ss 15,803 5,365
1980ss 10,467 4,542
1990ss 6,268 4,738
2000ss 3,918 12,274
2010ss 3,933 44,700
2020ss 2,000 39,259

Recent Annual Births (2014–present)

Year Leonard Leo
2014 385 3,976
2015 400 4,602
2016 450 5,299
2017 437 5,965
2018 417 6,772
2019 443 7,501
2020 420 7,222
2021 421 7,802
2022 371 8,290
2023 384 8,152
2024 404 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, 1880–2024.

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