How old is someone named Mariah?
The average Mariah is 24 years old.
Half of all living Mariahs are between 17 and 31.
When was Mariah popular?
Mariah rose fast and peaked in 1996, then faded almost as fast. 55% of all Mariahs were born within 15 years of each other.
Popular names of 1996 · The most popular names of the 1990s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 213 | 0 |
| 1910s | 308 | 0 |
| 1920s | 275 | 0 |
| 1930s | 187 | under 100 |
| 1940s | 137 | under 100 |
| 1950s | 115 | under 100 |
| 1960s | 154 | 140 |
| 1970s | 1,671 | 1,600 |
| 1980s | 3,599 | 3,500 |
| 1990s | 44,684 | 44,000 |
| 2000s | 35,740 | 35,000 |
| 2010s | 22,520 | 22,000 |
| 2020s | 5,198 | 5,200 |
How many Mariahs are still alive?
About 110,000 Mariahs are alive in the US today. That's 97% of the roughly 120,000 babies named Mariah since 1880.
Nearly every Mariah ever born is still alive, because almost all of them are young.
What generation is the name Mariah?
About half of living Mariahs are in Gen Z, born between 1997 and 2012.
- Gen X 2%
- Millennial 29%
- Gen Z 52%
- Gen Alpha 17%
Is Mariah an old name?
Not really. Mariah is younger than 62 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Mariah will be 47 in 2056, so the name is getting older.
Is Mariah a boy or girl name?
Almost entirely girls: 99.8% of living Mariahs are women.
Names the same age as Mariah
NAME TWIN
Mariah's name twin is Dillan. Of all 3,713 names on AgeByName, Dillan's age curve is the closest match to Mariah's: 91% alike.
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Questions about the name Mariah
How old is the average Mariah?
The average Mariah in the US is 24 years old. The median is 25, so half are older and half younger.
How many people are named Mariah?
About 110,000 Mariahs are alive in the US today, out of roughly 120,000 babies given the name since 1880.
When was the name Mariah most popular?
In 1996, when about 5,500 baby girls were named Mariah.
Is Mariah a Gen Z name?
Yes. About 52% of living Mariahs 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