| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 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 | |