Search Welsh Baby Names
| # | Name | Origin | Meaning | Gender | Save |
| 551 | Idella | Welsh | Bountiful. | F |  |
| 552 | Idris | Welsh | Fiery lord. | M | |
| 553 | Ifor | Welsh | Lord. Can also be a variant of Ivor. | M | |
| 554 | Indeg | Welsh | Legendary daughter of GanKy. | F | |
| 555 | Ioan | Welsh | Welsh form of John 'God's gift'. | M | |
| 556 | Iob | Welsh | Diminutive of Iorwerth: Worthy lord. Derived from 'ior' and 'gwerth'. Legendary son of Maredudd. | M | |
| 557 | Iola | Welsh | Valued by the Lord. Feminine form of Iolo: Diminutive of Iorwerth. | F | |
| 558 | Iolo | Welsh | Diminutive of Iorwerth: worthy lord. | M | |
| 559 | Iona | Welsh | Legendary king of France. | M | |
| 560 | Iorwerth | Welsh | Worthy lord. Derived from 'ior' and 'gwerth'. Legendary son of Maredudd. | M | |
| 561 | Isolda | Welsh | Beautiful. Fair. | F | |
| 562 | Isolde | Welsh | Variant of Isolda: Beautiful. Fair. | F | |
| 563 | Ithel | Welsh | Generous lord. | M | |
| 564 | Iustig | Welsh | Legendary son of Caw. | M | |
| 565 | Ivor | Welsh | Variant of Ifor: Lord. Can also be a variant of Ivor. | M | |
| 566 | Iwan | Welsh | Welsh form of John 'God's gift'. | M | |
| 567 | Jennifer | Welsh | Fair one. Variant of Guinevere. In Arthurian Mythology Guinevere was Arthur's queen. | F | |
| 568 | Jesstin | Welsh | Variant of Justin 'Just; upright; righteous.'. | M | |
| 569 | Jestin | Welsh | Variant of Justin 'Just; upright; righteous.'. | M | |
| 570 | Jestina | Welsh | Just; upright. Feminine of Justin. | F | |
| 571 | Jestine | Welsh | Just; upright. Feminine of Justin. | F | |
| 572 | Jeston | Welsh | Variant of Justin 'Just; upright; righteous.'. | M | |
| 573 | Kai | Welsh | Keeper of the keys. Form of Kay. | M | |
| 574 | Kane | Welsh | Beautiful. Popular as a first name in Australia. | M | |
| 575 | Kay | Welsh | Fiery. | M | |
| 576 | Kei | Welsh | Legendary son of Kynyr. | M | |
| 577 | Keith | Welsh | Dwells in the woods. | M | |
| 578 | Kelemon | Welsh | Legendary daughter of Kei. | F | |
| 579 | Kelli | Welsh | From the wood. | M | |
| 580 | Kelyn | Welsh | Legendary son of Caw. | M | |
| 581 | Ken | Welsh | Clear water. | M | |
| 582 | Kendric | Welsh | Royal chieftain. Jehovah has remembered. Surname. | M | |
| 583 | Kendrick | Welsh | Royal chieftain. Surname. | M | |
| 584 | Kendrik | Welsh | Royal chieftain. Surname. | M | |
| 585 | Kendrix | Welsh | Royal chieftain. Surname. | M | |
| 586 | Kenn | Welsh | Clear water. | M | |
| 587 | Kenrick | Welsh | Royal chieftain. Surname. | M | |
| 588 | Kenrik | Welsh | Royal chieftain. Surname. | M | |
| 589 | Kent | Welsh | White. | M | |
| 590 | Kenyon | Welsh | From Ennion's mound. | M | |
| 591 | Kevyn | Welsh | From the ridge. | M | |
| 592 | Kian | Welsh | Legendary father of Lugh. | M | |
| 593 | Kigva | Welsh | Legendary wife of partholon's son. | F | |
| 594 | Kilydd | Welsh | Legendary son of Kelyddon. | M | |
| 595 | Kim | Welsh | Diminutive of Kimball: Chief of war. Leader. | M | |
| 596 | Kimball | Welsh | Warrior chief. | M | |
| 597 | Kimble | Welsh | Warrior chief. | M | |
| 598 | Kraig | Welsh | Variant of Craig: Rock. | M | |
| 599 | Kyledyr | Welsh | Legendary son of Nwython. | M | |
| 600 | Kynan | Welsh | Chief. | M | |