| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Taliessin | Radiant, shining brow | Welsh | Boy | — | |
| Tamarie-Lynn | Combines 'palm tree' (Tamara/Tamar) with 'lake'/'pool' (Lynn) - roughly 'palm tree by the lake'. | Welsh | Girl | — | |
| Tamyrn | Most commonly associated with 'palm tree' (from Hebrew Tamar/Tamara); if derived from Tamsin/Thomasina it can be linked to 'twin'. | English, Welsh | Girl | — | |
| Tara-Lynn | From the Hill of Tara + lake/waterfall - roughly 'hill by the lake' or 'Tara by the lake'. | Welsh | Girl | — | |
| Tara-Lynne | Combines Tara ('hill', 'queen' or 'star') and Lynne ('lake' or 'water'), often interpreted as 'hill by the lake' or 'star of the lake'. | Gaelic, Welsh | Girl | — | |
| Tarah Lyn | Combines Tarah ('star' or 'hill') and Lyn ('lake'/'pool' or diminutive) - roughly 'star of the lake' or 'hill by the pool'. | English, Welsh | Girl | — | |
| TaraLyn | Blend of Tara ('hill of Tara' in Irish, also 'star' in Sanskrit) and Lyn ('lake' or diminutive) - roughly 'Tara by the lake' or 'star/hill of Tara'. | English, Welsh | Girl | — | |
| Tarian | Shield; protector | Welsh | Unisex | — | |
| Tawe | From the River Tawe (a geographic/river name); original etymology uncertain | Welsh | Unisex | — | |
| Teg | Fair; beautiful; pretty | Welsh | Unisex | — | |
| Telynne | Harp | English, Welsh | Girl | — | |
| Tevaughn | Little; small | African American, English, Welsh | Boy | — | |
| Tewdrig | People-ruler | Germanic, Welsh | Boy | — | |
| Tewi | A diminutive/pet form from Welsh elements (linked to names like Tewdrig); derived from Welsh tew, 'fat, plump' - an affectionate 'little plump one'. | Welsh | Boy | — | |
| Tierra-Lynn | Earth/land + lake | Spanish, Welsh | Girl | — | |
| Tracey-Lynn | Combination of Tracey (associated with a place-name or strength/fighter) and Lynn (lake/pond), roughly "strength/warrior by the lake" | English, Irish, Welsh | Girl | — | |
| Trahaearn | Ironlike | Welsh | Boy | — | |
| Traherne | Derived from Old Welsh Trahaearn ('tra' = very + 'haearn' = iron) - roughly 'very iron' or 'strong as iron'. | Welsh | Boy | — | |
| trever | From the large homestead or settlement | Welsh | Boy | — | |
| Trevor | Large homestead | Welsh | Boy | — | |
| Uwain | Associated with 'young warrior' or 'well-born' (exact meaning debated; possible link to Latin 'Eugenius' meaning 'well-born') | Welsh | Boy | — | |
| Waen | Meadow, moor, pasture (from Welsh place-name element 'waen') | Welsh | Unisex | — | |
| Watkin | Little Walter | English, Old High German, Welsh | Boy | — | |
| Welsh: Elffin | Probably 'elf' or 'elf-like' (sometimes interpreted as 'elf-friend') | Welsh | Boy | — | |
| winnifred | Blessed peace | Welsh | Girl | — | |
| xaedon | Generally associated with Aiden's meaning 'little fire' or Caden's 'battle/warrior'; commonly interpreted as 'little fire'. | English, Welsh | Boy | — |
Aggregated births across United States, United Kingdom, France, Germany for every Welsh-origin name in our dataset.