How Many People Are Named Thersa?
An estimated 697 people in the United States have the first name Thersa. It is almost exclusively a female name. The average bearer is 59 years old, and Thersa peaked in popularity in 1965 with 45 births that year.
Below you will find a full statistical profile of Thersa 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 Thersa paired with any surname.
Estimated Living Americans
697
About 1 in 491,757 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
59
years old
Peak Year
1965
45 births
Total Registered
1,071
since 1880
Gender Distribution for Thersa
Thersa is almost exclusively a female name. Out of 1,071 total births registered, 100.0% were female.
Thersa as a female name
Ranked #15,196 in 2001
6 female births in 2001
Peak: 1965 (45 births)
Thersa: Popularity Over Time
SSA records for Thersa span from the 1900s to the 2000s, covering 11 decades of naming data. The most popular decade for this name was the 1960s, when 326 babies were registered. Thersa has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Thersa by Decade
How has Thersa 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.
Thersa by State
Birth registrations for Thersa span all 5 states and territories in the SSA database. The highest counts are in California, South Carolina, Texas. The lowest are in Michigan, Louisiana, Texas. On average, about 6 Thersas were registered per state.
Thersa + Last Name Combinations
How many people share a full name with Thersa as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Thersa
Other first names starting with T with a similar number of bearers.
Thersa: Questions and Answers
How many people in the U.S. are named Thersa?
We estimate approximately 697 people named Thersa 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 491,757 Americans share this first name.
Is Thersa a common name?
Thersa is classified as "Very Rare" and is more popular than 87.5% of all first names in the SSA database. A total of 1,071 births have been registered with this name since 1880.
When was Thersa most popular?
Thersa reached peak popularity in 1965, when 45 babies were given this name. The average age of a living person named Thersa is approximately 59 years old, reflecting when the name was most commonly given.
Is Thersa a female name?
Thersa is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Thersa Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Thersa Smith, Thersa Johnson, Thersa 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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