How Many People Are Named Cinthia?
An estimated 5,676 people in the United States have the first name Cinthia. It is almost exclusively a female name. The average bearer is 36 years old, and Cinthia peaked in popularity in 1996 with 205 births that year.
Below you will find a full statistical profile of Cinthia 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 Cinthia paired with any surname.
Estimated Living Americans
5,676
About 1 in 60,387 people in the U.S.
Rarity
Rare
Predicted Gender
Female
99.9% confidence
Average Age
36
years old
Peak Year
1996
205 births
Total Registered
6,130
since 1880
Gender Distribution for Cinthia
Cinthia is almost exclusively a female name. Out of 6,130 total births registered, 99.9% were female.
Cinthia as a male name
Ranked #7,112 in 1989
6 male births in 1989
Peak: 1989 (6 births)
Cinthia as a female name
Ranked #6,195 in 2024
19 female births in 2024
Peak: 1996 (205 births)
Cinthia: Popularity Over Time
SSA records for Cinthia span from the 1940s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 1990s, when 1,682 babies were registered. Cinthia has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Cinthia by Decade
How has Cinthia 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.
Cinthia by State
Birth registrations for Cinthia span all 24 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Virginia, Utah, Minnesota. On average, about 155 Cinthias were registered per state.
Cinthia + Last Name Combinations
How many people share a full name with Cinthia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cinthia
Other first names starting with C with a similar number of bearers.
Cinthia: Questions and Answers
How many people in the U.S. are named Cinthia?
We estimate approximately 5,676 people named Cinthia 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 60,387 Americans share this first name.
Is Cinthia a common name?
Cinthia is classified as "Rare" and is more popular than 96.8% of all first names in the SSA database. A total of 6,130 births have been registered with this name since 1880.
When was Cinthia most popular?
Cinthia reached peak popularity in 1996, when 205 babies were given this name. The average age of a living person named Cinthia is approximately 36 years old, reflecting when the name was most commonly given.
Is Cinthia a female name?
Cinthia is predominantly female. 99.9% of people with this name are female. See the gender breakdown above for full details.
How many Cinthia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cinthia Smith, Cinthia Johnson, Cinthia 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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