Masculine dossier · first seen 1971
Semaj
Stable
Cross-generational persistence
Peak era
2011
Peak births
374
Current vitality
Fragile
Peak generation
Gen Z
Quick answers about Semaj
How many people are named Semaj?
An estimated 7,315 living Americans are named Semaj.
How rare is Semaj?
Semaj is uncommon among babies today, with 217 boys receiving the name in 2025, down 42% from its 2011 peak.
How old is the typical Semaj?
The median age of a living American named Semaj is approximately 17 years, with most bearers falling between 10 and 23 years old.
Is Semaj still popular?
Yes. Semaj is holding steady, with 217 births in 2025 and a consistent recent baseline.
Where is Semaj most common?
Semaj has its strongest geographic signal in Pennsylvania, where it appears 4.4× more often than the national baseline.
1971Peak 20112025
Peak year
2011
Decline from peak
42%
2025
217
All-time
7,421
Where it lives now
Semaj is most concentrated in Louisiana — about 3.5× the national rate in the 2010s.
States where Semaj is given more often than the national average — its present-day heartland.