How old is someone named Leah?
The average Leah is 28 years old.
Half of all living Leahs are between 13 and 41.
When was Leah popular?
Leah was popular around 1893, faded for decades, and is back: 3,880 babies got the name in 2025.
Popular names of 2009 · The most popular names of the 2000s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 1,747 | 0 |
| 1910s | 4,253 | 0 |
| 1920s | 4,453 | under 100 |
| 1930s | 3,539 | 780 |
| 1940s | 3,495 | 2,000 |
| 1950s | 5,960 | 4,700 |
| 1960s | 12,775 | 11,000 |
| 1970s | 21,221 | 20,000 |
| 1980s | 36,210 | 35,000 |
| 1990s | 34,138 | 33,000 |
| 2000s | 45,510 | 45,000 |
| 2010s | 56,113 | 56,000 |
| 2020s | 25,060 | 25,000 |
How many Leahs are still alive?
About 230,000 Leahs are alive in the US today. That's 91% of the roughly 260,000 babies named Leah since 1880.
Nearly every Leah ever born is still alive, because almost all of them are young.
What generation is the name Leah?
About one in three living Leahs are in Gen Z, born between 1997 and 2012.
Is Leah an old name?
Not really. Leah is younger than 53 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Leah will be 40 in 2056, so the name is aging slowly.
Is Leah a boy or girl name?
Almost entirely girls: 99.8% of living Leahs are women.
Names the same age as Leah
NAME TWIN
Leah's name twin is Adrian. Of all 3,713 names on AgeByName, Adrian's age curve is the closest match to Leah's: 91% alike.
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Questions about the name Leah
How old is the average Leah?
The average Leah in the US is 28 years old. The median is 24, so half are older and half younger.
How many people are named Leah?
About 230,000 Leahs are alive in the US today, out of roughly 260,000 babies given the name since 1880.
When was the name Leah most popular?
In 2009, when about 6,800 baby girls were named Leah.
Is Leah a Gen Z name?
Partly. Gen Z are the largest group, about 31% of living Leahs, 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