How old is someone named Lea?
The average Lea is 38 years old.
Half of all living Leas are between 19 and 56.
When was Lea popular?
Lea is a steady name: popular for generations, with a peak in 1970 but no single era. You'll meet Leas of every age.
Popular names of 1970 · The most popular names of the 1970s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 247 | 0 |
| 1910s | 673 | 0 |
| 1920s | 804 | under 100 |
| 1930s | 752 | 150 |
| 1940s | 1,173 | 670 |
| 1950s | 2,950 | 2,300 |
| 1960s | 4,554 | 4,000 |
| 1970s | 4,495 | 4,200 |
| 1980s | 3,986 | 3,800 |
| 1990s | 3,831 | 3,800 |
| 2000s | 4,250 | 4,200 |
| 2010s | 4,341 | 4,300 |
| 2020s | 2,100 | 2,100 |
How many Leas are still alive?
About 30,000 Leas are alive in the US today. That's 86% of the roughly 34,000 babies named Lea since 1880.
Most Leas ever born are still alive.
What generation is the name Lea?
About one in four living Leas are Gen Xers, born between 1965 and 1980.
Is Lea an old name?
Somewhat. Lea is older than 63 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 Lea will be 46 in 2056, so the name is aging slowly.
Is Lea a boy or girl name?
Almost entirely girls: 99.3% of living Leas are women.
Names the same age as Lea
NAME TWIN
Lea's name twin is Elisa. Of all 3,713 names on AgeByName, Elisa's age curve is the closest match to Lea's: 92% alike.
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Questions about the name Lea
How old is the average Lea?
The average Lea in the US is 38 years old. The median is 38, so half are older and half younger.
How many people are named Lea?
About 30,000 Leas are alive in the US today, out of roughly 34,000 babies given the name since 1880.
When was the name Lea most popular?
In 1970, when about 600 baby girls were named Lea.
Is Lea a Gen X name?
Partly. Gen X are the largest group, about 23% of living Leas, 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