How Many People Are Named Thi?
An estimated 454 people in the United States have the first name Thi. It is used for both genders, with 86.6% female. The average bearer is 32 years old, and Thi peaked in popularity in 1983 with 27 births that year.
Below you will find a full statistical profile of Thi 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 Thi paired with any surname.
Estimated Living Americans
454
About 1 in 754,966 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
86.6% confidence
Average Age
32
years old
Peak Year
1983
27 births
Total Registered
471
since 1880
Gender Distribution for Thi
Thi is predominantly female (86.6%), though 63 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Thi as a male name
Ranked #8,029 in 1997
7 male births in 1997
Peak: 1983 (9 births)
Thi as a female name
Ranked #15,513 in 2018
6 female births in 2018
Peak: 1982 (20 births)
Thi: Popularity Over Time
SSA records for Thi span from the 1970s to the 2010s, covering 5 decades of naming data. The most popular decade for this name was the 1980s, when 149 babies were registered. Thi has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Thi by Decade
How has Thi 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.
Thi by State
Thi + Last Name Combinations
How many people share a full name with Thi as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Thi
Other first names starting with T with a similar number of bearers.
Thi: Questions and Answers
How many people in the U.S. are named Thi?
We estimate approximately 454 people named Thi 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 754,966 Americans share this first name.
Is Thi a common name?
Thi is classified as "Very Rare" and is more popular than 83.6% of all first names in the SSA database. A total of 471 births have been registered with this name since 1880.
When was Thi most popular?
Thi reached peak popularity in 1983, when 27 babies were given this name. The average age of a living person named Thi is approximately 32 years old, reflecting when the name was most commonly given.
Is Thi a female name?
Thi is predominantly female. 86.6% of people with this name are female. See the gender breakdown above for full details.
How many Thi Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Thi Smith, Thi Johnson, Thi 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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