Feminine dossier · first seen 1881
Sybil
Resurgent
Gaining cultural share
Peak era
1921
Peak births
541
Current vitality
Fragile
Peak generation
Greatest Generation
Quick answers about Sybil
How many people are named Sybil?
An estimated 6,524 living Americans are named Sybil.
How rare is Sybil?
Sybil is uncommon among babies today, with 152 girls receiving the name in 2025, down 71.9% from its 1921 peak.
How old is the typical Sybil?
The median age of a living American named Sybil is approximately 58 years, with most bearers falling between 22 and 72 years old.
Is Sybil still popular?
Yes — Sybil is currently rising in popularity, with 152 births in 2025. Births this decade are running about 3.6× higher than the previous decade.
Where is Sybil most common?
Sybil has its strongest geographic signal in South Carolina, where it appears 4.8× more often than the national baseline.
1881Peak 19212025
Peak year
1921
Decline from peak
71.9%
2025
152
All-time
20,360
Where it lives now
Sybil is most concentrated in North Carolina — about 4.4× the national rate in the 1950s.
States where Sybil is given more often than the national average — its present-day heartland.