Search Welsh Baby Names
| # | Name | Origin | Meaning | Gender | Save |
| 501 | Gwevyl | Welsh | Legendary son of Gwastad. | M |  |
| 502 | Gwilenhin | Welsh | Legendary king of France. | M | |
| 503 | Gwilym | Welsh | A Welsh variant of William, meaning resolute protector. | M | |
| 504 | Gwitart | Welsh | Legendary son of Aedd. | M | |
| 505 | Gwladys | Welsh | A variant of Claudia, meaning lame. | F | |
| 506 | Gwrddywal | Welsh | Legendary son of Evrei. | M | |
| 507 | Gwres | Welsh | Legendary son of Rheged. | M | |
| 508 | Gwyddawg | Welsh | Legendary son of Menestyr. | M | |
| 509 | Gwydre | Welsh | Legendary son of Arthur. | M | |
| 510 | Gwydyon | Welsh | Legendary son of Don. | M | |
| 511 | Gwylim | Welsh | A Welsh variant of William, meaning resolute protector. | M | |
| 512 | Gwyn | Welsh | Diminutive of Gwyneth: White. Fair. Happiness. Blessed. | F | |
| 513 | Gwyn | Welsh | White or handsome. | M | |
| 514 | Gwyndolen | Welsh | White browed. | F | |
| 515 | Gwyndolyn | Welsh | Fair; blessed. | F | |
| 516 | Gwynedd | Welsh | White, happiness, blessed. Also a North Wales county name. | F | |
| 517 | Gwyneth | Welsh | White. Fair. Happiness. Blessed. | F | |
| 518 | Gwynfor | Welsh | Fair lord or fair place. | M | |
| 519 | Gwyngad | Welsh | Legendary son of Caw. | M | |
| 520 | Gwynn | Welsh | Fair; blessed. | F | |
| 521 | Gwynn | Welsh | Handsome. Son of Nudd. | M | |
| 522 | Gwynne | Welsh | White. | F | |
| 523 | Gwynneth | Welsh | White. Fair. Happiness. Blessed. | F | |
| 524 | Gwyr | Welsh | Pure or from Gower. | M | |
| 525 | Gwystyl | Welsh | Legendary son of Nwython. | M | |
| 526 | Gwythyr | Welsh | Legendary son of Greidyawl. | M | |
| 527 | Hayden | Welsh | Variant of Haydn: Fire. Derived from the Celtic name Aidan. | M | |
| 528 | Haydn | Welsh | Fire. Derived from the Celtic name Aidan. | M | |
| 529 | Haydon | Welsh | Variant of Haydn: Fire. Derived from the Celtic name Aidan. | M | |
| 530 | Heilyn | Welsh | Legendary son of Gwynn. | M | |
| 531 | Hen Beddestyr | Welsh | Legendary son of Erim. | M | |
| 532 | Hen Was | Welsh | Old servant. | M | |
| 533 | Hen Wyneb | Welsh | Old face. | M | |
| 534 | Heulwen | Welsh | Sunshine. | F | |
| 535 | Howel | Welsh | Variant of Hywel: Eminent. Attentive. | M | |
| 536 | Howell | Welsh | Variant of Hywel: Eminent. Attentive. | M | |
| 537 | Hu | Welsh | Welsh form of Hugh 'intelligent'. | M | |
| 538 | Huabwy | Welsh | Legendary son of Gwryon. | M | |
| 539 | Huarwar | Welsh | Legendary son of Avlawn. | M | |
| 540 | Hueil | Welsh | Legendary son of Caw. | M | |
| 541 | Huey | Welsh | Variant of the Latin Hugh. A thinker. Intelligent. | M | |
| 542 | Hugh | Welsh | Variant of the Latin Hugh. A thinker. Intelligent. | M | |
| 543 | Hughie | Welsh | Variant of the Latin Hugh. A thinker. Intelligent. | M | |
| 544 | Huw | Welsh | Welsh form of Hugh. A thinker. Intelligent. | M | |
| 545 | Hydd | Welsh | Deer. | M | |
| 546 | Hywel | Welsh | Eminent. | M | |
| 547 | Iago | Welsh | Supplanter. Can be either a variant of James or Jacob. Associated with the wicked Iago in Shakespeare's Othello'. | M | |
| 548 | Iau | Welsh | Welsh form of Zeus 'life'. | M | |
| 549 | Iddawg | Welsh | Legendary son of Mynyo. | M | |
| 550 | Iddig | Welsh | Legendary son of Anarawd. | M | |