Masculine dossier · first seen 1881
Alfonso
Stable
Cross-generational persistence
Peak era
1991
Peak births
574
Current vitality
Fragile
Peak generation
Millennial
1881Peak 19912025
Quick answers about Alfonso
How many people are named Alfonso?
An estimated 29,672 living Americans are named Alfonso.
How rare is Alfonso?
Alfonso is uncommon among babies today, with 223 boys receiving the name in 2025, down 61.1% from its 1991 peak.
How old is the typical Alfonso?
The median age of a living American named Alfonso is approximately 39 years, with most bearers falling between 24 and 58 years old.
Is Alfonso still popular?
Yes. Alfonso is holding steady, with 223 births in 2025 and a consistent recent baseline.
Peak year
1991
Decline from peak
61.1%
2025
223
All-time
41,464