How old is someone named Alianna?
The average Alianna is 11 years old.
Half of all living Aliannas are between 5 and 15.
When was Alianna popular?
Alianna is a modern favorite: it climbed through the 2000s and hit its high in 2024. 277 babies got the name in 2025.
Popular names of 2024 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1980s | 7 | under 100 |
| 1990s | 139 | 140 |
| 2000s | 960 | 950 |
| 2010s | 2,582 | 2,600 |
| 2020s | 1,850 | 1,800 |
How many Aliannas are still alive?
About 5,500 Aliannas are alive in the US today. That's over 99% of the roughly 5,500 babies named Alianna since 1986.
Nearly every Alianna ever born is still alive, because almost all of them are young.
What generation is the name Alianna?
About two in three living Aliannas are in Gen Alpha, born in 2013 or later.
- Millennial 1%
- Gen Z 31%
- Gen Alpha 68%
Is Alianna an old name?
No. Alianna is one of the youngest names around: younger than 93 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Alianna will be 25 in 2056, so the name is aging slowly.
Is Alianna a boy or girl name?
Almost entirely girls: over 99.9% of living Aliannas are women.
Names the same age as Alianna
NAME TWIN
Alianna's name twin is Karsyn. Of all 3,713 names on AgeByName, Karsyn's age curve is the closest match to Alianna's: 94% alike.
Other spellings: Aliana (12)
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Questions about the name Alianna
How old is the average Alianna?
The average Alianna in the US is 11 years old. The median is 10, so half are older and half younger.
How many people are named Alianna?
About 5,500 Aliannas are alive in the US today, out of roughly 5,500 babies given the name since 1986.
When was the name Alianna most popular?
In 2024, when about 350 baby girls were named Alianna.
Is Alianna a Gen Alpha name?
Yes. About 68% of living Aliannas 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