Masculine dossier · first seen 1880
Cyril
Stable
Cross-generational persistence
Peak era
1916
Peak births
328
Current vitality
Rare
Peak generation
Greatest Generation
Quick answers about Cyril
How many people are named Cyril?
An estimated 3,816 living Americans are named Cyril.
How rare is Cyril?
Cyril is very rare among babies today, with 38 boys receiving the name in 2025, down 88.4% from its 1916 peak.
How old is the typical Cyril?
The median age of a living American named Cyril is approximately 45 years, with most bearers falling between 23 and 66 years old.
Is Cyril still popular?
Yes. Cyril is holding steady, with 38 births in 2025 and a consistent recent baseline.
Where is Cyril most common?
Cyril has its strongest geographic signal in Minnesota, where it appears 4.2× more often than the national baseline.
1880Peak 19162025
Peak year
1916
Decline from peak
88.4%
2025
38
All-time
12,034
Where it lives now
Cyril is most concentrated in Louisiana — about 3.8× the national rate in the 1950s.
States where Cyril is given more often than the national average — its present-day heartland.