How old is someone named Janessa?
The average Janessa is 23 years old.
Half of all living Janessas are between 14 and 32.
When was Janessa popular?
Janessa is a steady name: popular for generations, with a peak in 2009 but no single era. You'll meet Janessas of every age.
Popular names of 2009 · The most popular names of the 2000s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1950s | 31 | under 100 |
| 1960s | 84 | under 100 |
| 1970s | 362 | 340 |
| 1980s | 1,724 | 1,700 |
| 1990s | 3,077 | 3,000 |
| 2000s | 4,712 | 4,700 |
| 2010s | 3,691 | 3,700 |
| 2020s | 1,041 | 1,000 |
How many Janessas are still alive?
About 14,000 Janessas are alive in the US today. That's 98% of the roughly 15,000 babies named Janessa since 1954.
Nearly every Janessa ever born is still alive, because almost all of them are young.
What generation is the name Janessa?
About half of living Janessas are in Gen Z, born between 1997 and 2012.
- Gen X 3%
- Millennial 25%
- Gen Z 48%
- Gen Alpha 23%
Is Janessa an old name?
Not really. Janessa is younger than 63 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Janessa will be 44 in 2056, so the name is getting older.
Is Janessa a boy or girl name?
Almost entirely girls: over 99.9% of living Janessas are women.
Names the same age as Janessa
NAME TWIN
Janessa's name twin is Evan. Of all 3,713 names on AgeByName, Evan's age curve is the closest match to Janessa's: 95% alike.
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Questions about the name Janessa
How old is the average Janessa?
The average Janessa in the US is 23 years old. The median is 21, so half are older and half younger.
How many people are named Janessa?
About 14,000 Janessas are alive in the US today, out of roughly 15,000 babies given the name since 1954.
When was the name Janessa most popular?
In 2009, when about 560 baby girls were named Janessa.
Is Janessa a Gen Z name?
Partly. Gen Z are the largest group, about 48% of living Janessas, 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