How Many People Are Named Theresea?
An estimated 205 people in the United States have the first name Theresea. It is almost exclusively a female name. The average bearer is 64 years old, and Theresea peaked in popularity in 1957 with 17 births that year.
Below you will find a full statistical profile of Theresea 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 Theresea paired with any surname.
Estimated Living Americans
205
About 1 in 1,671,972 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
64
years old
Peak Year
1957
17 births
Total Registered
273
since 1880
Gender Distribution for Theresea
Theresea is almost exclusively a female name. Out of 273 total births registered, 100.0% were female.
Theresea as a female name
Ranked #13,739 in 1988
5 female births in 1988
Peak: 1957 (17 births)
Theresea: Popularity Over Time
SSA records for Theresea span from the 1920s to the 1980s, covering 7 decades of naming data. The most popular decade for this name was the 1960s, when 120 babies were registered. Theresea has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Theresea by Decade
How has Theresea 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.
Theresea + Last Name Combinations
How many people share a full name with Theresea as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Theresea
Other first names starting with T with a similar number of bearers.
Theresea: Questions and Answers
How many people in the U.S. are named Theresea?
We estimate approximately 205 people named Theresea 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 1,671,972 Americans share this first name.
Is Theresea a common name?
Theresea is classified as "Very Rare" and is more popular than 74.6% of all first names in the SSA database. A total of 273 births have been registered with this name since 1880.
When was Theresea most popular?
Theresea reached peak popularity in 1957, when 17 babies were given this name. The average age of a living person named Theresea is approximately 64 years old, reflecting when the name was most commonly given.
Is Theresea a female name?
Theresea is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Theresea Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Theresea Smith, Theresea Johnson, Theresea 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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