How old is someone named Jedidiah?
The average Jedidiah is 20 years old.
Half of all living Jedidiahs are between 8 and 32.
When was Jedidiah popular?
Jedidiah is a modern favorite: it climbed through the 2000s and hit its high in 2017. 279 babies got the name in 2025.
Popular names of 2017 · The most popular names of the 2010s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1970s | 507 | 460 |
| 1980s | 1,399 | 1,300 |
| 1990s | 1,158 | 1,100 |
| 2000s | 1,476 | 1,500 |
| 2010s | 2,993 | 3,000 |
| 2020s | 1,828 | 1,800 |
How many Jedidiahs are still alive?
About 9,100 Jedidiahs are alive in the US today. That's 98% of the roughly 9,400 babies named Jedidiah since 1971.
Nearly every Jedidiah ever born is still alive, because almost all of them are young.
What generation is the name Jedidiah?
About two in five living Jedidiahs are in Gen Alpha, born in 2013 or later.
- Gen X 7%
- Millennial 21%
- Gen Z 27%
- Gen Alpha 45%
Is Jedidiah an old name?
Not really. Jedidiah is younger than 70 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Jedidiah will be 32 in 2056, so the name is aging slowly.
Is Jedidiah a boy or girl name?
Almost entirely boys: 99.5% of living Jedidiahs are men.
Names the same age as Jedidiah
NAME TWIN
Jedidiah's name twin is Lucas. Of all 3,713 names on AgeByName, Lucas's age curve is the closest match to Jedidiah's: 89% alike.
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Questions about the name Jedidiah
How old is the average Jedidiah?
The average Jedidiah in the US is 20 years old. The median is 16, so half are older and half younger.
How many people are named Jedidiah?
About 9,100 Jedidiahs are alive in the US today, out of roughly 9,400 babies given the name since 1971.
When was the name Jedidiah most popular?
In 2017, when about 360 baby boys were named Jedidiah.
Is Jedidiah a Gen Alpha name?
Partly. Gen Alpha are the largest group, about 45% of living Jedidiahs, 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