Boys' name · peaked in 1918

Leon name popularity since 1925

148,932 babies born in the US from 1925 to 2025 were named Leon (0.6% girls, 99.4% boys). Half of them were born in 1956 or earlier, so the typical Leon is about 70 years old in 2026. Leon peaked in 1918 as the #77 name for boys, and it ranked #138 in 2025.

Key facts

US babies since 1925
148,932
Named Leon, 1925–2025
Peak year
1918
#77 for boys that year
Typical age
About 70
Median birth year 1956
In 2025
#138
for boys in 2025 (2,583 babies)
Girls / boys
99.4% boys
907 girls · 148,025 boys
Most popular in
Mississippi
2.12× its national share

Peak year is the year Leon made up the largest share of US boys, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.

Leon births per year, 1925–2025

Babies named Leon per year, 1925–2025

The biggest year on this chart was 1926. Measured as a share of all babies, Leon peaked earlier, in 1918.

  • Fastest rise: Between 2008 and 2013, Leon became 2× more common, from 1 in 3,720 baby boys to 1 in 1,850.

Shaded on the chart. This compares Leon's share of all US boys five years apart, counting only years with at least 100 babies named Leon.

Decade by decade

Babies named Leon in each decade, and its rank among boys' names in the middle year of the decade (1935, 1945 … 2025).

Decade GirlsBoys Rank
1925–29 14012,681 –
1930s 18423,005 #86
1940s 11623,578 #111
1950s 12721,341 #143
1960s 12913,823 #199
1970s 1159,854 #233
1980s 737,627 #283
1990s 105,176 #452
2000s 05,062 #524
2010s 011,768 #314
2020–25 1314,110 #138

Ranks count every name given to at least 5 boys that year, so they can go past 1,000.

Generation fingerprint

28.2% of babies named Leon from 1925 to 2025 were born in the Silent Generation years (1928–1945). The full split by generation:

Leon by generation Greatest Generation born 1925–27 5.4% Silent Generation born 1928–45 28.2% Baby Boomers born 1946–64 26.1% Gen X born 1965–80 11.4% Millennials born 1981–96 7.1% Gen Z born 1997–2012 5.8% Gen Alpha born 2013–25 15.9%

Where Leon is most popular

The index compares Leon's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Leon.

StateIndexBabies
Mississippi2.12×3,777
South Carolina2.01×4,139
District of Columbia1.99×1,349
Alabama1.90×4,958
Louisiana1.86×4,932

Names with a similar story

Of the other 499 names on this site, these six had the share of babies closest in shape to Leon's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Leon.

Names from the same era

Other common names that peaked within two years of Leon (1918).

Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data