How Many People Are Named Cynthya?
An estimated 167 people in the United States have the first name Cynthya. It is almost exclusively a female name. The average bearer is 31 years old, and Cynthya peaked in popularity in 2001 with 17 births that year.
Below you will find a full statistical profile of Cynthya as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Cynthya paired with any surname.
Estimated Living Americans
167
About 1 in 2,052,421 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
31
years old
Peak Year
2001
17 births
Total Registered
174
since 1880
Gender Distribution for Cynthya
Cynthya is almost exclusively a female name. Out of 174 total births registered, 100.0% were female.
Cynthya as a female name
Ranked #17,392 in 2011
5 female births in 2011
Peak: 2001 (17 births)
Cynthya: Popularity Over Time
SSA records for Cynthya span from the 1950s to the 2010s, covering 6 decades of naming data. The most popular decade for this name was the 1990s, when 68 babies were registered. Cynthya has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Cynthya by Decade
How has Cynthya tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Cynthya by State
Cynthya + Last Name Combinations
How many people share a full name with Cynthya as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cynthya
Other first names starting with C with a similar number of bearers.
Cynthya: Questions and Answers
How many people in the U.S. are named Cynthya?
We estimate approximately 167 people named Cynthya are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 2,052,421 Americans share this first name.
Is Cynthya a common name?
Cynthya is classified as "Very Rare" and is more popular than 71.8% of all first names in the SSA database. A total of 174 births have been registered with this name since 1880.
When was Cynthya most popular?
Cynthya reached peak popularity in 2001, when 17 babies were given this name. The average age of a living person named Cynthya is approximately 31 years old, reflecting when the name was most commonly given.
Is Cynthya a female name?
Cynthya is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Cynthya Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cynthya Smith, Cynthya Johnson, Cynthya Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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