Starting with letter T
| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 421 | Tilly | French | Mighty in war. | F | |
| 422 | Tilly | German | Diminutive of Matilda: Strength in battle. Matilda was the wife of William the Conqueror. Used in Australia as slang for a bushman's pack. | F | |
| 423 | Timandra | Latin | Sister of Helen. | F | |
| 424 | Timandra | Shakespearean | 'The Life of Timon of Athens' | F | |
| 425 | Timnah | Biblical | Forbidding. | F | |
| 426 | Timnath | Biblical | Image, figure, enumeration. | F | |
| 427 | Timnath-heres | Biblical | Image of the sun, numbering of the rest. | F | |
| 428 | Timnath-serah | Biblical | Image of the sun, numbering of the rest. | F | |
| 429 | Timon | Biblical | Honorable, worthy. | F | |
| 430 | Timothea | Greek | Feminine form of Timothy: God's honour; God fearing. | F | |
| 431 | Timothia | Greek | Honoring God. | F | |
| 432 | Tina | English | A diminutive of any feminine name ending in -tina, but is now also popular as an independent first name. | F | |
| 433 | Tina | Latin | Name ending used as an independent name and in combination with other names i.e. Tinamarie. | F | |
| 434 | Tionna | English | Abbreviation of Tatiana. | F | |
| 435 | Tiphanie | Greek | Gods incarnate. | F | |
| 436 | Tiphsah | Biblical | Passage, leap, step, the passover. | F | |
| 437 | Tiponi | NativeAmerican | Child of importance (Hopi). | F | |
| 438 | Tipper | Irish | Nickname and variant of the Irish name Tabar meaning a well. | F | |
| 439 | Tira | Hindi | Arrow. | F | |
| 440 | Tira | Scottish | Land. | F | |