How Many People Are Named Cyinthia?
An estimated 13 people in the United States have the first name Cyinthia. It is almost exclusively a female name. The average bearer is 67 years old, and Cyinthia peaked in popularity in 1960 with 7 births that year.
Below you will find a full statistical profile of Cyinthia 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 Cyinthia paired with any surname.
Key Insights
- With an average bearer age of 67, Cyinthia is a vintage name most associated with earlier generations. Most living bearers were born before 1969.
- Cyinthia is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
13
About 1 in 26,365,718 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
67
years old
Peak Year
1960
7 births
Total Registered
17
since 1880
Gender Distribution for Cyinthia
Cyinthia is almost exclusively a female name. Out of 17 total births registered, 100.0% were female.
Cyinthia as a female name
Ranked #5,276 in 1960
7 female births in 1960
Peak: 1960 (7 births)
Cyinthia: Popularity Over Time
SSA records for Cyinthia span from the 1950s to the 1960s, covering 2 decades of naming data. The most popular decade for this name was the 1950s, when 10 babies were registered. While Cyinthia is less common than at its peak in the 1950s, it remains a well-established name with steady registrations.
Cyinthia by Decade
How has Cyinthia 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.
Cyinthia + Last Name Combinations
How many people share a full name with Cyinthia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cyinthia
Other first names starting with C with a similar number of bearers.
Cyinthia: Questions and Answers
How many people in the U.S. are named Cyinthia?
We estimate approximately 13 people named Cyinthia 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 26,365,718 Americans share this first name.
Is Cyinthia a common name?
Cyinthia is classified as "Very Rare" and is more popular than 33.2% of all first names in the SSA database. A total of 17 births have been registered with this name since 1880.
When was Cyinthia most popular?
Cyinthia reached peak popularity in 1960, when 7 babies were given this name. The average age of a living person named Cyinthia is approximately 67 years old, reflecting when the name was most commonly given.
Is Cyinthia a female name?
Cyinthia is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Cyinthia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cyinthia Smith, Cyinthia Johnson, Cyinthia 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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