Starting with letter T
| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 321 | Theophane | Greek | Gods incarnate. | F | |
| 322 | Theophaneia | Greek | God appears. | F | |
| 323 | Theophania | Greek | God appears. | F | |
| 324 | Theophania | Latin | Manifestation of God. In the Middle Ages, this name was sometimes given to girls born on Twelfth night. | F | |
| 325 | Theophanie | Greek | Gods incarnate. | F | |
| 326 | Theophila | Greek | Feminine form of Theophilus: God-loving. | F | |
| 327 | Theophilia | Greek | Loved by God. | F | |
| 328 | Theora | Greek | Watcher. | F | |
| 329 | Theore | Greek | Watcher. | F | |
| 330 | Theoris | Egyptian | Great. | F | |
| 331 | Thera | Greek | Untamed. | F | |
| 332 | Theresa | Greek | Variant of Teresa: Reaper; from Therasia. | F | |
| 333 | Therese | French | Variant of Theresa which is the name of two popular saints 'Teresa of Avila' and 'Therese of Lisieux.' Meaning uncertain although possibly a Greek place name. | F | |
| 334 | Therese | Greek | Reaper. | F | |
| 335 | Theresia | Greek | Variant of Teresa: Reap; from Therasia. | F | |
| 336 | Thermuthis | Egyptian | Another form of Renenet. | F | |
| 337 | Thetis | Greek | Mother of Achilles. | F | |
| 338 | Theudas | Biblical | Flowing with water. | F | |
| 339 | Thia | Greek | Divine. | F | |
| 340 | Thir | Norse | Wife of Thrall. | F | |