Masculine dossier · first seen 1909
Cecilio
Stable
Cross-generational persistence
Peak era
1998
Peak births
39
Current vitality
Rare
Peak generation
Gen Z
Quick answers about Cecilio
How many people are named Cecilio?
An estimated 1,709 living Americans are named Cecilio.
How rare is Cecilio?
Cecilio is very rare among babies today, with 9 boys receiving the name in 2025, down 76.9% from its 1998 peak.
How old is the typical Cecilio?
The median age of a living American named Cecilio is approximately 40 years, with most bearers falling between 25 and 56 years old.
Is Cecilio still popular?
Yes. Cecilio is holding steady, with 9 births in 2025 and a consistent recent baseline.
Where is Cecilio most common?
Cecilio has its strongest geographic signal in Texas, where it appears 11.5× more often than the national baseline.
1909Peak 19982025
Peak year
1998
Decline from peak
76.9%
2025
9
All-time
2,411