| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1441 | 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 | |
| 1442 | Treffen | German | Meets. | M | |
| 1443 | Trennen | German | Divides. | M | |
| 1444 | Tresa | German | Variant of Theresa which is a popular saint's name of uncertain meaning. | F | |
| 1445 | Tretan | German | Walks. | M | |
| 1446 | Truda | German | Fighting woman. | F | |
| 1447 | Trudchen | German | Fighting woman. | F | |
| 1448 | Trude | German | Fighting woman. | F | |
| 1449 | Trudi | German | Diminutive of Ermintrude: Universal strength. From the Old German 'ermin' meaning universal, and 'drudi' meaning strength. | F | |
| 1450 | Trudie | German | Diminutive of Ermintrude: Universal strength. From the Old German 'ermin' meaning universal, and 'drudi' meaning strength. | F | |
| 1451 | Trudy | German | Diminutive of Ermintrude: Universal strength. From the Old German 'ermin' meaning universal, and 'drudi' meaning strength. | F | |
| 1452 | Tugenda | German | Virtue. | F | |
| 1453 | Ubel | German | Evil. | M | |
| 1454 | Uli | German | Mistress of all. | F | |
| 1455 | Uli | German | Noble leader. | M | |
| 1456 | Ulka | German | Mistress of all. | F | |
| 1457 | Ulla | German | Has willpower. | F | |
| 1458 | Ulrica | German | Mistress of all. | F | |
| 1459 | Ulrich | German | Noble leader. | M | |
| 1460 | Ulrike | German | Mistress of all. | F | |