How old is someone named Leon?
The average Leon is 44 years old.
Half of all living Leons are between 13 and 70. The average sits between a large older group and a younger one, so many Leons are much older than 44.
When was Leon popular?
Great-grandmother name, or brand-new favorite? Both. Leon peaked around 1925, fell out of fashion, and is popular again today.
Popular names of 1924 · The most popular names of the 1920s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 2,942 | 0 |
| 1910s | 15,506 | 0 |
| 1920s | 25,891 | 150 |
| 1930s | 23,189 | 2,900 |
| 1940s | 23,694 | 10,000 |
| 1950s | 21,468 | 14,000 |
| 1960s | 13,952 | 11,000 |
| 1970s | 9,969 | 8,900 |
| 1980s | 7,700 | 7,200 |
| 1990s | 5,186 | 5,000 |
| 2000s | 5,062 | 5,000 |
| 2010s | 11,768 | 12,000 |
| 2020s | 14,123 | 14,000 |
How many Leons are still alive?
About 90,000 Leons are alive in the US today. That's 49% of the roughly 180,000 babies named Leon since 1880.
Roughly half of all Leons ever born are still living.
What generation is the name Leon?
About one in four living Leons are Baby Boomers, born between 1946 and 1964.
Is Leon an old name?
Somewhat. Leon is older than 71 in 100 names on AgeByName, but younger than plenty of classics.
Looking ahead: if babies keep getting the name at today's pace, the typical Leon will be 30 in 2056, so its average age will actually fall, as the youngest Leons make up more of the total.
Is Leon a boy or girl name?
Almost entirely boys: 99.4% of living Leons are men.
Names the same age as Leon
NAME TWIN
Leon's name twin is Louie. Of all 3,713 names on AgeByName, Louie's age curve is the closest match to Leon's: 95% alike.
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Questions about the name Leon
How old is the average Leon?
The average Leon in the US is 44 years old. The median is 49, so half are older and half younger.
How many people are named Leon?
About 90,000 Leons are alive in the US today, out of roughly 180,000 babies given the name since 1880.
When was the name Leon most popular?
In 1924, when about 2,700 baby boys were named Leon.
Is Leon a Boomer name?
Partly. Baby Boomers are the largest group, about 28% of living Leons, but the name spans several generations.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this