How old is someone named Hadlee?
The average Hadlee is 9 years old.
Half of all living Hadlees are between 5 and 13.
When was Hadlee popular?
Hadlee is a modern favorite: it climbed through the 2000s and hit its high in 2016. 281 babies got the name in 2025.
Popular names of 2016 · The most popular names of the 2010s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1990s | 35 | under 100 |
| 2000s | 534 | 530 |
| 2010s | 2,797 | 2,800 |
| 2020s | 1,892 | 1,900 |
How many Hadlees are still alive?
About 5,200 Hadlees are alive in the US today. That's over 99% of the roughly 5,300 babies named Hadlee since 1994.
Nearly every Hadlee ever born is still alive, because almost all of them are young.
What generation is the name Hadlee?
About four in five living Hadlees are in Gen Alpha, born in 2013 or later.
Is Hadlee an old name?
No. Hadlee is one of the youngest names around: younger than 95 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Hadlee will be 24 in 2056, so the name is getting older.
Is Hadlee a boy or girl name?
Almost entirely girls: 99.5% of living Hadlees are women.
Names the same age as Hadlee
NAME TWIN
Hadlee's name twin is Gracelynn. Of all 3,713 names on AgeByName, Gracelynn's age curve is the closest match to Hadlee's: 95% alike.
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Questions about the name Hadlee
How old is the average Hadlee?
The average Hadlee in the US is 9 years old. The median is 9, so half are older and half younger.
How many people are named Hadlee?
About 5,200 Hadlees are alive in the US today, out of roughly 5,300 babies given the name since 1994.
When was the name Hadlee most popular?
In 2016, when about 400 baby girls were named Hadlee.
Is Hadlee a Gen Alpha name?
Yes. About 80% of living Hadlees are in Gen Alpha, born in 2013 or later.
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