| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 681 | Tory | Celtic | Lives by the tower. | M | |
| 682 | Trahern | Celtic | Strong as iron. | M | |
| 683 | Tremaine | Celtic | From the town encircled by stone. | M | |
| 684 | Tremayne | Celtic | From the town encircled by stone. | M | |
| 685 | Trevor | Celtic | Wise. | M | |
| 686 | Tris | Celtic | Diminutive of Tristan: Sad din. In a story from the Middle Ages, Tristan, nephew of King Mark of Cornwall, was in love with the princess Iseult of Ireland. | M | |
| 687 | Tristan | Celtic | Tumult; outcry. From the Celtic name Tristan. In Arthurian legend Tristan was a Knight of the Round Table and tragic hero of the medieval tale Tristram and Isolde. | M | |
| 688 | Tristen | Celtic | Tumult; outcry. From the Celtic name Tristan. In Arthurian legend Tristan was a Knight of the Round Table and tragic hero of the medieval tale Tristram and Isolde. | M | |
| 689 | Tristian | Celtic | Tumult; outcry. From the Celtic name Tristan. In Arthurian legend Tristan was a Knight of the Round Table and tragic hero of the medieval tale Tristram and Isolde. | M | |
| 690 | Tristin | Celtic | Tumult; outcry. From the Celtic name Tristan. In Arthurian legend Tristan was a Knight of the Round Table and tragic hero of the medieval tale Tristram and Isolde. | M | |
| 691 | Tristram | Celtic | Variant of Tristan: Sad din. In a story from the Middle Ages, Tristan, nephew of King Mark of Cornwall, was in love with the princess Iseult of Ireland. | M | |
| 692 | Turi | Celtic | Bear. | M | |
| 693 | Ula | Celtic | Sea jewel. | F | |
| 694 | Una | Celtic | White wave. | F | |
| 695 | Varden | Celtic | From the green hill. | M | |
| 696 | Vardon | Celtic | From the green hill. | M | |
| 697 | Varney | Celtic | From the alder grove. | M | |
| 698 | Vaughn | Celtic | Small. | M | |
| 699 | Venetia | Celtic | Blessed. | F | |
| 700 | Weylin | Celtic | Son of the wolf. | M | |