| Theophilu.. | Biblical | Derived from the Greek theos (God),.. |  |  |
| Theseus | Mythology a.. | Borne in Greek Legend by the main h.. | | |
| Theseus | Greek | An ancient Greek hero who killed th.. |  | |
| Thiassi | Scandinavia.. | Ancient name of uncertain meaning b.. | | |
| Thibault | French | French cognate of Theobald, a Germa.. | | |
| Thierry | French | French cognate of Theodoric, a Germ.. | | |
| Thilbault | French | A form of Theobald and Tybalt, wh.. | | |
| Tho | Southeast A.. | To live long. Vietnam, | | |
| Thom | English | A short form of Thomas (a twin), .. | | |
| Thom | Irish | A short form of Thomas (a twin), Th.. | | |
| Thomas | American | Derived from the Aramaic tebma (a t.. |  | |
| Thomas | Biblical | Derived from the Aramaic te'dma (a .. |  | |
| Thomas | English | From the Ecclesiastic Greek Thomas,.. | | |
| Thomas | French | From the Ecclesiastic Greek Thomas,.. | | |
| Thomas | German | From the Ecclesiastic Greek Thomas.. | | |
| Thomas | Greek | Ecclesiastic Greek name derived.. | | |
| Thomas | Irish | From the Ecclesiastic Greek Thomas,.. | | |
| Thomas | Hebrew | Derived from the Aramaic te'oma (a .. | | |
| Thomas | Scandinavia.. | A borrowing from the Ecclesiastic G.. | | |
| Thomas | Scottish | From the Ecclesiastic Greek Thomas,.. | | |
| Thomas | Welsh | From the Ecclesiastic Greek Thomas,.. | | |
| Thong | Southeast A.. | To be intelligent. Vietnam, | | |
| Thor | Mythology a.. | Derived from the Old Norse Porr (th.. | | |
| Thor | Scandinavia.. | Derived from the Old Norse pan (thu.. | | |
| Thorald | Norwegian | Meaning "Thor's follower." | | |
| Thorbjorn | Norwegian | Meaning "Thor's bear."
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| Thorer | Scandinavia.. | Old Viking name still in common use.. | | |
| Thorleif | Norwegian | Meaning "Thor's beloved."
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| Thorndike | English | Has the meaning "thorny embankment... | | |
| Thorne | English | Meaning "thorn grove." | | |
| Thornley | English | Meaning "thorny meadow." | | |
| Thornton | English | Meaning "thorny." Our Town playwrig.. | | |
| Thorstein | Scandinavia.. | Used primarily in Denmark and Swede.. | | |
| Thorvald | Norwegian | Meaning "Thor's forest."
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| Thorvaldr | Scandinavia.. | Old Viking name composed of the Old.. | | |
