Sejin
boy nameSejin entered the US charts in 2001, peaked at #9243 in 2001, is rarely given today — a rare gem few children share.
Popularity 2001–2025
Not enough data for a chart
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rank today
#9243
peak (2001)
0
babies in 2025
rare
a rare gem few children share
Rank by decade
| Decade | Average rank |
|---|---|
| 2000s | #9243 |
Living bearers
Fewer than a hundred people named Sejin are estimated to be alive in the US today — a true one-of-a-kind name.
The typical Sejin alive today was born around 2001, making them about 24 years old.
Estimated from official SSA birth records and life tables.
Names similar in popularity
Frequently asked questions
- How popular is the name Sejin in 2025?
- Sejin is rarely given in the US today — it does not rank in the top 2000 boy names.
- When was the name Sejin most popular?
- Sejin peaked in 2001, reaching #9243 among US boy names.
- Will my child share the name Sejin with classmates?
- Sejin will almost certainly be the only one in school.
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