How Many People Are Named Theta?
people named Theta are alive in the United States today (estimate)
About 1 in 3,051,650 people in the US has this name
Based on 402 babies named Theta in Social Security records from 1907 to 2015, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
20 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Theta in the records were girls.
👥 Age Distribution
The average person named Theta alive today is about 73 years old, and 91% are 60 or older. Half of them were between 66 and 83 in 2025.
📈 Popularity Over Time
Theta first appears in the records in 1907 and was given most often in 1907, to 20 babies. The last year it was given to at least 5 babies of one sex was 2015.
Babies given the name each year, 1907 to 2015
🏆 Rank History
Theta has never been one of the 100 most popular girls' names. Its best rank was #868, in 1907.
| Girls | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #868 (1907) |
| Years in the top 100 | None |
| Rank in its biggest decade | #3,100 in the 1920s |
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