How Many People Are Named Thien?
An estimated 1,054 people in the United States have the first name Thien. It is predominantly male (97.3%). The average bearer is 25 years old, and Thien peaked in popularity in 1996 with 42 births that year.
Below you will find a full statistical profile of Thien 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 Thien paired with any surname.
Estimated Living Americans
1,054
About 1 in 325,194 people in the U.S.
Rarity
Rare
Predicted Gender
Male
97.3% confidence
Average Age
25
years old
Peak Year
1996
42 births
Total Registered
1,077
since 1880
Gender Distribution for Thien
Thien is predominantly male (97.3%), though 29 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Thien as a male name
Ranked #8,233 in 2024
10 male births in 2024
Peak: 1996 (42 births)
Thien as a female name
Ranked #17,468 in 2007
6 female births in 2007
Peak: 1984 (7 births)
Thien: Popularity Over Time
SSA records for Thien span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2000s, when 291 babies were registered. Thien has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Thien by Decade
How has Thien 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.
Thien by State
Birth registrations for Thien span all 3 states and territories in the SSA database. The highest counts are in California, Texas, Louisiana. The lowest are in Louisiana, Texas, California. On average, about 105 Thiens were registered per state.
Thien + Last Name Combinations
How many people share a full name with Thien as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Thien
Other first names starting with T with a similar number of bearers.
Thien: Questions and Answers
How many people in the U.S. are named Thien?
We estimate approximately 1,054 people named Thien 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 325,194 Americans share this first name.
Is Thien a common name?
Thien is classified as "Rare" and is more popular than 90.5% of all first names in the SSA database. A total of 1,077 births have been registered with this name since 1880.
When was Thien most popular?
Thien reached peak popularity in 1996, when 42 babies were given this name. The average age of a living person named Thien is approximately 25 years old, reflecting when the name was most commonly given.
Is Thien a male name?
Thien is predominantly male. 97.3% of people with this name are male. See the gender breakdown above for full details.
How many Thien Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Thien Smith, Thien Johnson, Thien 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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