Thia
A feminine Thai name meaning "sky" or "air".
Name Census estimates that about 318 living Americans carry the first name Thia. The name is used almost exclusively for girls. The average person named Thia today is around 24 years old, and the year with the single highest number of Thia births was 2019 (17 babies).
This page is the full Name Census profile for Thia. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
People living today
318
~ 1 in 1,077,844 Americans
Peak year
2019
17 babies that year
Average age
24
years old
2024 SSA rank
#8,878
Tracked since 1962
Popularity
Thia: popularity over time
The SSA tracks Thia from the 1960s through to the 2020s, spanning 7 decades of birth certificate data. The biggest single decade for the name was the 2010s, with 111 total registrations. Although the numbers have come down from the 2010s peak, Thia remains solidly in use and shows no sign of disappearing from maternity wards.
Babies born per year
Decades
Thia by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Thia during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Origin
Meaning and history of Thia
The name Thia originated from the Greek language, and its roots can be traced back to ancient Greece. It is derived from the Greek word "theos," which means "god" or "divine." This name has a strong connection to Greek mythology and religion.
One of the earliest recorded uses of the name Thia can be found in the works of ancient Greek writers and poets. It was often used as a nickname or a shortened form of longer names that were related to the concept of divinity, such as Theodora or Theophilia.
In ancient Greece, the name Thia was associated with the worship of various goddesses, particularly Athena, the goddess of wisdom and warfare. It was believed that women bearing this name were blessed with divine protection and guidance.
Throughout history, several notable individuals have borne the name Thia. One of the earliest recorded examples is Thia of Miletus, a Greek philosopher and mathematician who lived in the 6th century BCE. She is renowned for her contributions to the field of mathematics and her work on the Pythagorean theorem.
Another prominent figure with the name Thia was Thia of Alexandria, a 4th-century Christian martyr who was executed for her faith during the reign of the Roman Emperor Diocletian. Her unwavering devotion and courage in the face of persecution have been celebrated by the Christian Church.
In the realm of literature, Thia Toliver (1924-2022) was an American writer and educator who made significant contributions to the Harlem Renaissance literary movement. Her works often explored themes of identity, race, and the African American experience.
Thia Musgrave (born 1928) is a renowned Scottish-American composer who has been recognized for her innovative and avant-garde compositions. She has received numerous accolades, including the Composers' Award from the Serge Koussevitzky Music Foundation.
Lastly, Thia Constantinescu (1901-1995) was a Romanian painter and sculptor known for her portraiture and abstract works. Her art reflected the influence of various artistic movements, including Cubism and Expressionism, and she is celebrated as one of the most significant Romanian artists of the 20th century.
People
Thia + last name combinations
How many people share a full name with Thia as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with T
Other first names starting with T with a similar number of bearers.
FAQ
Thia: questions and answers
How many people in the U.S. are named Thia?
Name Census puts the figure at roughly 318 living Americans. We arrive at this by taking every SSA birth registration for Thia going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 1,077,844 US residents.
Is Thia a common name?
We classify Thia as "Very Rare". It ranks above 79.8% of all first names in the SSA dataset by living bearers. Across the full history of the data, 331 babies have been registered with this name.
When was Thia most popular?
The single biggest year for Thia was 2019, when 17 babies received the name. The fact that the average living Thia is about 24 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Thia a female name?
Yes, 100.0% of people registered as Thia in the SSA data are female. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.