How Many People Are Named Clydia?
An estimated 171 people in the United States have the first name Clydia. It is almost exclusively a female name. The average bearer is 78 years old, and Clydia peaked in popularity in 1923 with 25 births that year.
Below you will find a full statistical profile of Clydia 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 Clydia paired with any surname.
Key Insights
- With an average bearer age of 78, Clydia is a vintage name most associated with earlier generations. Most living bearers were born before 1958.
Estimated Living Americans
171
About 1 in 2,004,411 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
78
years old
Peak Year
1923
25 births
Total Registered
626
since 1880
Gender Distribution for Clydia
Clydia is almost exclusively a female name. Out of 626 total births registered, 100.0% were female.
Clydia as a female name
Ranked #6,689 in 1972
7 female births in 1972
Peak: 1923 (25 births)
Clydia: Popularity Over Time
SSA records for Clydia span from the 1900s to the 1970s, covering 8 decades of naming data. The most popular decade for this name was the 1940s, when 150 babies were registered. Clydia has declined significantly from its peak in the 1940s. Recent registrations are a fraction of what they were at the name's height.
Clydia by Decade
How has Clydia 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.
Clydia by State
Birth registrations for Clydia span all 3 states and territories in the SSA database. The highest counts are in North Carolina, South Carolina, Texas. The lowest are in Texas, South Carolina, North Carolina. On average, about 5 Clydias were registered per state.
Clydia + Last Name Combinations
How many people share a full name with Clydia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Clydia
Other first names starting with C with a similar number of bearers.
Clydia: Questions and Answers
How many people in the U.S. are named Clydia?
We estimate approximately 171 people named Clydia 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 2,004,411 Americans share this first name.
Is Clydia a common name?
Clydia is classified as "Very Rare" and is more popular than 72.1% of all first names in the SSA database. A total of 626 births have been registered with this name since 1880.
When was Clydia most popular?
Clydia reached peak popularity in 1923, when 25 babies were given this name. The average age of a living person named Clydia is approximately 78 years old, reflecting when the name was most commonly given.
Is Clydia a female name?
Clydia is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Clydia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Clydia Smith, Clydia Johnson, Clydia 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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