Feminine dossier · first seen 1880
Cynthia
Endangered
Down 99.4% from peak
Peak era
1957
Peak births
39,340
Current vitality
Fragile
Peak generation
Boomer
Quick answers about Cynthia
How many people are named Cynthia?
An estimated 509,746 living Americans are named Cynthia.
How rare is Cynthia?
Cynthia is uncommon among babies today, with 247 girls receiving the name in 2025, down 99.4% from its 1957 peak.
How old is the typical Cynthia?
The median age of a living American named Cynthia is approximately 63 years, with most bearers falling between 53 and 69 years old.
Is Cynthia still popular?
No. Cynthia is endangered as a baby name, down 99.4% from its 1957 peak with 247 births in 2025.
Where is Cynthia most common?
Cynthia has its strongest geographic signal in New Hampshire, where it appears 5.5× more often than the national baseline.
1880Peak 19572025
Peak year
1957
Decline from peak
99.4%
2025
247
All-time
711,453