Masculine dossier · first seen 1915
Alonso
Stable
Cross-generational persistence
Peak era
2010
Peak births
380
Current vitality
Fragile
Peak generation
Gen Z
Quick answers about Alonso
How many people are named Alonso?
An estimated 11,700 living Americans are named Alonso.
How rare is Alonso?
Alonso is uncommon among babies today, with 324 boys receiving the name in 2025, down 14.7% from its 2010 peak.
How old is the typical Alonso?
The median age of a living American named Alonso is approximately 18 years, with most bearers falling between 10 and 28 years old.
Is Alonso still popular?
Yes. Alonso is holding steady, with 324 births in 2025 and a consistent recent baseline.
Where is Alonso most common?
Alonso has its strongest geographic signal in Texas, where it appears 5.5× more often than the national baseline.
1915Peak 20102025
Peak year
2010
Decline from peak
14.7%
2025
324
All-time
12,231
Where it lives now
Alonso is most concentrated in New Mexico — about 5.4× the national rate in the 1990s.
States where Alonso is given more often than the national average — its present-day heartland.