How Many People Are Named Thera?
An estimated 417 people in the United States have the first name Thera. It is almost exclusively a female name. The average bearer is 51 years old, and Thera peaked in popularity in 1982 with 31 births that year.
Below you will find a full statistical profile of Thera 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 Thera paired with any surname.
Estimated Living Americans
417
About 1 in 821,953 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
51
years old
Peak Year
1982
31 births
Total Registered
892
since 1880
Gender Distribution for Thera
Thera is almost exclusively a female name. Out of 892 total births registered, 100.0% were female.
Thera as a female name
Ranked #17,410 in 2024
5 female births in 2024
Peak: 1982 (31 births)
Thera: Popularity Over Time
SSA records for Thera span from the 1890s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 1980s, when 183 babies were registered. Thera has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Thera by Decade
How has Thera 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.
Thera by State
Thera + Last Name Combinations
How many people share a full name with Thera as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Thera
Other first names starting with T with a similar number of bearers.
Thera: Questions and Answers
How many people in the U.S. are named Thera?
We estimate approximately 417 people named Thera 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 821,953 Americans share this first name.
Is Thera a common name?
Thera is classified as "Very Rare" and is more popular than 82.7% of all first names in the SSA database. A total of 892 births have been registered with this name since 1880.
When was Thera most popular?
Thera reached peak popularity in 1982, when 31 babies were given this name. The average age of a living person named Thera is approximately 51 years old, reflecting when the name was most commonly given.
Is Thera a female name?
Thera is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Thera Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Thera Smith, Thera Johnson, Thera 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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