How old is someone named Mordechai?
The average Mordechai is 19 years old.
Half of all living Mordechais are between 7 and 27.
When was Mordechai popular?
Mordechai is a modern favorite: it climbed through the 2000s and hit its high in 2018. 238 babies got the name in 2025.
Popular names of 2018 · The most popular names of the 2010s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1950s | 51 | under 100 |
| 1960s | 94 | under 100 |
| 1970s | 302 | 270 |
| 1980s | 513 | 480 |
| 1990s | 890 | 860 |
| 2000s | 1,432 | 1,400 |
| 2010s | 2,100 | 2,100 |
| 2020s | 1,439 | 1,400 |
How many Mordechais are still alive?
About 6,600 Mordechais are alive in the US today. That's 97% of the roughly 6,800 babies named Mordechai since 1950.
Nearly every Mordechai ever born is still alive, because almost all of them are young.
What generation is the name Mordechai?
About two in five living Mordechais are in Gen Alpha, born in 2013 or later.
- Boomer 1%
- Gen X 5%
- Millennial 15%
- Gen Z 34%
- Gen Alpha 45%
Is Mordechai an old name?
Not really. Mordechai is younger than 73 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Mordechai will be 30 in 2056, so the name is aging slowly.
Is Mordechai a boy or girl name?
Almost entirely boys: over 99.9% of living Mordechais are men.
Names the same age as Mordechai
NAME TWIN
Mordechai's name twin is Alia. Of all 3,713 names on AgeByName, Alia's age curve is the closest match to Mordechai's: 93% alike.
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Questions about the name Mordechai
How old is the average Mordechai?
The average Mordechai in the US is 19 years old. The median is 15, so half are older and half younger.
How many people are named Mordechai?
About 6,600 Mordechais are alive in the US today, out of roughly 6,800 babies given the name since 1950.
When was the name Mordechai most popular?
In 2018, when about 320 baby boys were named Mordechai.
Is Mordechai a Gen Alpha name?
Partly. Gen Alpha are the largest group, about 45% of living Mordechais, 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