Cynthia
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.
Cynthia is most concentrated in New Hampshire — about 5.5× the national rate in the 1930s. It also runs high in Massachusetts and Connecticut.
States where Cynthia is given more often than the national average — its present-day heartland.