How Many People Are Named Thea?
people named Thea are alive in the United States today (estimate)
About 1 in 18,403 people in the US has this name
Based on 20,118 babies named Thea in Social Security records from 1880 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎 Rare
Peak Year
1,209 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Short form of DOROTHEA or THEODORA.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
⚧ Gender Distribution
All of the babies given the name Thea in the records were girls.
👥 Age Distribution
The average person named Thea alive today is about 19 years old, and 75% are under 30. Half of them were between 4 and 29 in 2025.
📈 Popularity Over Time
Thea first appears in the records in 1880 and was given most often in 2018, to 1,209 babies. In 2025, 867 babies got the name.
Babies given the name each year, 1880 to 2025
🏆 Rank History
Thea has never been one of the 100 most popular girls' names. Its best rank was #268, in 2017. In 2025 it ranked #353.
| Girls | |
|---|---|
| Rank in 2025 | #353 |
| Best rank | #268 (2017) |
| Years in the top 100 | None |
| Rank in its biggest decade | #488 in the 2010s |
📍 State-Wise Distribution
People named Thea alive today, by the state where they were born (estimate; state records start in 1910).
More people named Thea were born in California than in any other state: about 1,683 of those alive today. Compared with the national rate in the same years, Thea was given 3.1 times as often in North Dakota, 3 times in South Dakota and 2.3 times in Minnesota.
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