How Many People Are Named Thos?
An estimated 3 people in the United States have the first name Thos. It is almost exclusively a male name. The average bearer is 136 years old, and Thos peaked in popularity in 1915 with 14 births that year.
Below you will find a full statistical profile of Thos 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 Thos paired with any surname.
Key Insights
- With an average bearer age of 136, Thos is a vintage name most associated with earlier generations. Most living bearers were born before 1900.
- Thos is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
3
About 1 in 114,251,446 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
136
years old
Peak Year
1915
14 births
Total Registered
166
since 1880
Gender Distribution for Thos
Thos is almost exclusively a male name. Out of 166 total births registered, 100.0% were male.
Thos as a male name
Ranked #4,104 in 1928
6 male births in 1928
Peak: 1915 (14 births)
Thos: Popularity Over Time
SSA records for Thos span from the 1880s to the 1920s, covering 5 decades of naming data. The most popular decade for this name was the 1910s, when 85 babies were registered. While Thos is less common than at its peak in the 1910s, it remains a well-established name with steady registrations.
Thos by Decade
How has Thos 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.
Thos + Last Name Combinations
How many people share a full name with Thos as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Thos
Other first names starting with T with a similar number of bearers.
Thos: Questions and Answers
How many people in the U.S. are named Thos?
We estimate approximately 3 people named Thos 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 114,251,446 Americans share this first name.
Is Thos a common name?
Thos is classified as "Very Rare" and is more popular than 4.9% of all first names in the SSA database. A total of 166 births have been registered with this name since 1880.
When was Thos most popular?
Thos reached peak popularity in 1915, when 14 babies were given this name. The average age of a living person named Thos is approximately 136 years old, reflecting when the name was most commonly given.
Is Thos a male name?
Thos is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Thos Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Thos Smith, Thos Johnson, Thos 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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