Theta
Theta is the eighth letter of the Greek alphabet, derived from the Phoenician letter Teth ๐ค. In the system of Greek numerals, it has a value of 9.
Meaning & Origin of Theta
What this name means, where it came from, and how it has traveled across cultures.
Theta is the eighth letter of the Greek alphabet, derived from the Phoenician letter Teth ๐ค. In the system of Greek numerals, it has a value of 9.
Source: Wikipedia (CC BY-SA 3.0). Read more โ
The Story of Theta
Theta first appeared in U.S. Social Security Administration records as a baby girl name in 1907, with 20 babies given the name that year. Its peak popularity came in 1907, when 20 Thetas were born โ ranking #840 that year. As of 2026, Theta ranks #16,416 for baby girls with 5 births, with steady use. In total, more than 402 Thetas have been born in the U.S. since records began in 1880, spanning the 1900s through the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Theta
Phonetically similar names โ useful when Theta is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Theta
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About the name Theta
Theta is a girl baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1907 and has accumulated 402 births in the dataset. Theta's peak popularity came in 1907 when it ranked #840. Use the chart and map above to compare Theta's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 1907 โ
- Names of the 1900s โ
- Names starting with "T" โ
- Browse all girl names โ
- Top names of 2026 โ
Data sources
- Birth statistics (counts, ranks, years 1880โ2026) โ U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms โ Behind the Name (used under their public API terms).
- Meaning prose and editorial summary โ Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution โ Nationalize.io .
- Phonetically similar names โ Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.