| Welsh baby names begining from D |
| Daere |
 | Fiend. |
| Dafydd |
 | A Welsh form of the Hebrew name David, meaning beloved or friend. |
| Dai |
 | Shines. A Welsh diminutive of David, meaning beloved or friend.. |
| Dal |
 | Diminutive of David: Beloved or friend, from the Hebrew. Sixth century St David (or Dewi) was patron saint of Wales. |
| Dalldav |
 | Legendary son of Cunyn Cov. |
| Daned |
 | Legendary son of Oth. |
| Daniel |
 | Attractive. A translation of the Welsh name Deiniol. |
| Daryn |
 | Great. |
| Dave |
 | Diminutive of David: Beloved or friend, from the Hebrew. Sixth century St David (or Dewi) was patron saint of Wales. |
| David |
 | Beloved or friend, from the Hebrew. Sixth century St David (or Dewi) was patron saint of Wales. |
| Davies |
 | Surname. Variant of David 'beloved.'. |
| Davy |
 | Diminutive of David: Beloved or friend, from the Hebrew. Sixth century St David (or Dewi) was patron saint of Wales. |
| Davyn |
 | Variant of David 'beloved.'. |
| Dee |
 | Dark. |
| Delia |
 | Dark. |
| Delwen |
 | Derived from the Welsh words for neat and fair. |
| Delwin |
 | Godly friend. |
| Delwyn |
 | Derived from the Welsh words for neat and fair. |
| Delwyn |
 | Godly friend. |
| Delyth |
 | Derived from the Welsh words for neat and pretty. |
| Dera |
 | Fiend. |
| Derwen |
 | From the oak tree. |
| Deryn |
 | Bird. From the word 'aderyn'. |
| Deverell |
 | From the river bank. |
| Deverril |
 | From the river bank. |
| Dewey |
 | The Lord's. |
| Dewi |
 | Variant of David: Beloved or friend, from the Hebrew. Sixth century St David (or Dewi) was patron saint of Wales. |
| Dicra |
 | Slow. |
| Dierdre |
 | Dark. |
| Difyr |
 | Amusing. |
| Digon |
 | Legendary son of Alar. |
| Dilan |
 | Born near the sea. |
| Dillan |
 | Variant of Dylan: Ocean's son. |
| Dillie |
 | Born near the sea. |
| Dillon |
 | Born near the sea. |
| Dillus |
 | Legendary son of Eurei. |
| Dillwyn |
 | Variant of Dilwyn: Blessed truth. |
| Dilwyn |
 | Blessed truth. |
| Dilys |
 | Genuine, perfect, true. This name was first used in Wales in the mid-19th century. |
| Dirrnyg |
 | Legendary son of Caw. |
| Donne |
 | Used in honor of 17th century poet John Donne. |
| Dover |
 | Water. A British seaport on the English channel. |
| Drem |
 | Sight. |
| Dremidydd |
 | Legendary father of Drem. |
| Drew |
 | Wise. |
| Druce |
 | Son of Drew. |
| Drudwas |
 | Legendary son of Tryffin. |
| Druson |
 | Son of Drew. |
| Drych |
 | Legendary son of Kibddar. |
| Drysi |
 | Thorn. |
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