Search Welsh Baby Names
| # | Name | Origin | Meaning | Gender | Save |
| 601 | Steffon | Welsh | Crown; wreath. Variant of Stephen. | M |  |
| 602 | Sugyn | Welsh | Legendary son of Sugynedydd. | M | |
| 603 | Sulyen | Welsh | Legendary son of Iaen. | M | |
| 604 | Syvwkh | Welsh | Legendary son of Cleddyv KyvwIch. | M | |
| 605 | Tad | Welsh | Father. | M | |
| 606 | Tadd | Welsh | Father. | M | |
| 607 | Taffy | Welsh | Diminutive of David: Beloved or friend, from the Hebrew. Sixth century St David (or Dewi) was patron saint of Wales. | M | |
| 608 | Taliesin | Welsh | Handsome; radiant brow. 6th century Welsh bard and author of the Book of Taliesin. | M | |
| 609 | Talyessin | Welsh | Handsome. | M | |
| 610 | Taren | Welsh | Thunder. | M | |
| 611 | Tarran | Welsh | Thunder. | M | |
| 612 | Tarrant | Welsh | Thunder. | M | |
| 613 | Taryn | Welsh | Thunder. | M | |
| 614 | Teithi | Welsh | Legendary son of Gwynnan. | M | |
| 615 | Teregud | Welsh | Legendary son of Iaen. | M | |
| 616 | Tewdwr | Welsh | God's gift. | M | |
| 617 | Timotheus | Welsh | Welsh form of Timothy 'God given'. | M | |
| 618 | Tomos | Welsh | Twin. | M | |
| 619 | Trahaym | Welsh | Incredibly strong. | M | |
| 620 | Trahern | Welsh | Incredibly strong. | M | |
| 621 | Tramaine | Welsh | From the big town. | M | |
| 622 | Traveon | Welsh | Fair town. Abbreviation of Trevelyan. | M | |
| 623 | Travion | Welsh | Fair town. Abbreviation of Trevelyan. | M | |
| 624 | Travon. trevon | Welsh | Fair town. Abbreviation of Trevelyan. | M | |
| 625 | Trefor | Welsh | Variant of Trevor: Large village; goodly town. | M | |
| 626 | Tremain | Welsh | From the big town. | M | |
| 627 | Tremaine | Welsh | From the big town. | M | |
| 628 | Tremayne | Welsh | Lives in the house by the rock. | M | |
| 629 | Tremen | Welsh | Lives in the house by the rock. | M | |
| 630 | Trent | Welsh | Dwells near the rapid stream. | M | |
| 631 | Trev | Welsh | Diminutive of Trevor: Large village; goodly town. | M | |
| 632 | Trevan | Welsh | Fair town. Abbreviation of Trevelyan. | M | |
| 633 | Trevelian | Welsh | From Elian's home. | M | |
| 634 | Trevelyan | Welsh | From Elian's home. | M | |
| 635 | Treven | Welsh | Fair town. Abbreviation of Trevelyan. | M | |
| 636 | Trevian | Welsh | Fair town. Abbreviation of Trevelyan. | M | |
| 637 | Trevion | Welsh | Fair town. Abbreviation of Trevelyan. | M | |
| 638 | Trevls | Welsh | Variant of French surname and place-name Treves. | M | |
| 639 | Trevonn | Welsh | Fair town. Abbreviation of Trevelyan. | M | |
| 640 | Trevor | Welsh | Large village; goodly town. | M | |
| 641 | Trevyn | Welsh | Fair town. Abbreviation of Trevelyan. | M | |
| 642 | Tringad | Welsh | Legendary son of Neued. | M | |
| 643 | Tristan | Welsh | Noisy. | M | |
| 644 | Tristram | Welsh | Sorrowful. | M | |
| 645 | Tristyn | Welsh | Tumult; outcry. From the Celtic name Tristan. | M | |
| 646 | Trynt | Welsh | Dwells near the rapid stream. | M | |
| 647 | Trystan | Welsh | Tumult; outcry. From the Celtic name Tristan. | M | |
| 648 | Tudor | Welsh | God's gift. | M | |
| 649 | Twm | Welsh | Welsh form of Tom 'gift from God'. | M | |
| 650 | Twrgadarn | Welsh | Tower of stlength. | M | |