How Many People Are Named Thain?
An estimated 5 people in the United States have the first name Thain. It is almost exclusively a male name. The average bearer is 30 years old, and Thain peaked in popularity in 1995 with 5 births that year.
Below you will find a full statistical profile of Thain as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, state-by-state birth registrations, and, when available, a 2020 Census snapshot showing who had the name at that point in time. You can also check how many people share the full name Thain paired with any surname.
Key Insights
- Thain is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
5
About 1 in 68,550,868 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
30
years old
Peak Year
1995
5 births
Total Registered
5
since 1880
Gender Distribution for Thain
Thain is almost exclusively a male name. Out of 5 total births registered, 100.0% were male.
Thain as a male name
Ranked #10,182 in 1995
5 male births in 1995
Peak: 1995 (5 births)
Thain: Popularity Over Time
Thain by Decade
How has Thain 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.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 1990s | 5 | 5 | 0 | |
Thain + Last Name Combinations
How many people share a full name with Thain as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Thain
Other first names starting with T with a similar number of bearers.
Thain: Questions and Answers
How many people in the U.S. are named Thain?
We estimate approximately 5 people named Thain 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 68,550,868 Americans share this first name.
Is Thain a common name?
Thain is classified as "Very Rare" and is more popular than 18.2% of all first names in the SSA database. A total of 5 births have been registered with this name since 1880.
When was Thain most popular?
Thain reached peak popularity in 1995, when 5 babies were given this name. The average age of a living person named Thain is approximately 30 years old, reflecting when the name was most commonly given.
What does the SSA popularity chart show?
The popularity chart tracks birth registrations, not people currently alive. It shows how often Thain was given to babies from 1880 through 2024, which is why it is the best tool on the page for seeing long-run naming trends.
Is Thain a male name?
Thain is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
Why can Thain have a lot of living bearers even if it is not trendy now?
Because a name can build up a large population over many decades. Thain peaked in 1995, and the average living bearer is about 30 years old, so a name can still have millions of living bearers even after it stops feeling current for newborns.
How many Thain Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Thain Smith, Thain Johnson, Thain 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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