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Theta
OriginEighth letter of Greek Alphabet
Meaning"goddess, godly"
About Theta
Theta is the name of the eighth letter of the ancient Greek alphabet, which is also the symbol of death. As such, it has rarely been used as a baby name.
Pronounced THAY-tuh.
As of October 2026, Theta ranked #18870 in US births in 2015 SSA, peaked at #868 in 1907.
Editor's take: The name Theta is a girl's name.
Popularity & trends
US popularity — history
US rank, lower is more popular · SSA data 2014–2025
Actual · SSA
20142025
18802025
Data table
| Year | US rank | Births | Per million |
|---|---|---|---|
| 2014 | — | 0 | 0 |
| 2015 | — | 0 | 0 |
| 2016 | — | 0 | 0 |
| 2017 | — | 0 | 0 |
| 2018 | — | 0 | 0 |
| 2019 | — | 0 | 0 |
| 2020 | — | 0 | 0 |
| 2021 | — | 0 | 0 |
| 2022 | — | 0 | 0 |
| 2023 | — | 0 | 0 |
| 2024 | — | 0 | 0 |
| 2025 | — | 0 | 0 |
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Theta on lists
Theta in pop culture
- Theta Knight
character in Libba Bray's "The Diviners"
- Theta
Greek letter often used as a variable in trigonometry and polar coordinates
- Theta Sigma
a childhood nickname of the Doctor from "Doctor Who"
Theta in blog posts
Save Theta
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