How old is someone named Cierra?
The average Cierra is 29 years old.
Half of all living Cierras are between 24 and 33.
When was Cierra popular?
Cierra was a boom name: it shot up, peaked in 1998, and dropped away. That's why most Cierras are close to the same age.
Popular names of 1998 · The most popular names of the 1990s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1970s | 18 | under 100 |
| 1980s | 3,729 | 3,600 |
| 1990s | 14,064 | 14,000 |
| 2000s | 8,325 | 8,200 |
| 2010s | 1,222 | 1,200 |
| 2020s | 301 | 300 |
How many Cierras are still alive?
About 27,000 Cierras are alive in the US today. That's 98% of the roughly 28,000 babies named Cierra since 1978.
Nearly every Cierra ever born is still alive, because almost all of them are young.
What generation is the name Cierra?
About half of living Cierras are in Gen Z, born between 1997 and 2012.
- Millennial 46%
- Gen Z 50%
- Gen Alpha 3%
Is Cierra an old name?
Not really. Cierra is younger than 52 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Cierra will be 56 in 2056, so the name is aging fast.
Is Cierra a boy or girl name?
Almost entirely girls: 99.9% of living Cierras are women.
Names the same age as Cierra
NAME TWIN
Cierra's name twin is Katlyn. Of all 3,713 names on AgeByName, Katlyn's age curve is the closest match to Cierra's: 92% alike.
Other spellings: Ciera (30)
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Questions about the name Cierra
How old is the average Cierra?
The average Cierra in the US is 29 years old. The median is 29, so half are older and half younger.
How many people are named Cierra?
About 27,000 Cierras are alive in the US today, out of roughly 28,000 babies given the name since 1978.
When was the name Cierra most popular?
In 1998, when about 1,700 baby girls were named Cierra.
Is Cierra a Gen Z name?
Yes. About 50% of living Cierras are in Gen Z, born between 1997 and 2012.
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