Search Welsh Baby Names
| # | Name | Origin | Meaning | Gender | Save |
| 551 | Plys | Welsh | Son of Rhys. | M |  |
| 552 | Powell | Welsh | Son of Howell. | M | |
| 553 | Preece | Welsh | Son of Rhys. | M | |
| 554 | Price | Welsh | Son of Rhys. | M | |
| 555 | Pryderi | Welsh | Legendary son of Pwyll. | M | |
| 556 | Prydwen | Welsh | Handsome. | M | |
| 557 | Puw | Welsh | Welsh form of Pugh 'son of Hugh'. | M | |
| 558 | Pwyll | Welsh | Son of Howell. | M | |
| 559 | Pyrs | Welsh | Welsh form of Pierce 'rock'. | M | |
| 560 | Reece | Welsh | Ardent; fiery. | M | |
| 561 | Rees | Welsh | Ardent; fiery. | M | |
| 562 | Reese | Welsh | Ardent; fiery. | M | |
| 563 | Ren | Welsh | Ruler. | M | |
| 564 | Renfrew | Welsh | Dwells near the still river. | M | |
| 565 | Rheged | Welsh | Legendary father of Gwres. | M | |
| 566 | Rhett | Welsh | Form of Rhys: ardent; fiery. Rhett Butler was hero of Margaret Mitchell's Gone With the Wind. | M | |
| 567 | Rhinffrew | Welsh | Dwells near the still river. | M | |
| 568 | Rhioganedd | Welsh | Legendary a prince of Ireland. | M | |
| 569 | Rhisiart | Welsh | Welsh form of Richard 'strong ruler'. | M | |
| 570 | Rhobert | Welsh | Welsh form of Robert 'brilliant renown'. | M | |
| 571 | Rhun | Welsh | Legendary son of Beli. | M | |
| 572 | Rhuvawn | Welsh | Legendary son of Deorthach. | M | |
| 573 | Rhyawdd | Welsh | Legendary son of Morgant. | M | |
| 574 | Rhychdir | Welsh | From the plow land. | M | |
| 575 | Rhyd | Welsh | From the ford. | M | |
| 576 | Rhys | Welsh | Ardour; rashness. | M | |
| 577 | Rice | Welsh | Ardent. | M | |
| 578 | Romney | Welsh | Dwells near the curving river. | M | |
| 579 | Rumenea | Welsh | Dwells near the curving river. | M | |
| 580 | Ryn | Welsh | Ruler. | M | |
| 581 | Sadwm | Welsh | Welsh form of Saturn 'god of the harvest'. | M | |
| 582 | Saer | Welsh | Carpenter. | M | |
| 583 | Saith | Welsh | Seven. | M | |
| 584 | Sayer | Welsh | Carpenter. | M | |
| 585 | Sayers | Welsh | Carpenter. | M | |
| 586 | Sayre | Welsh | Carpenter. | M | |
| 587 | Sayres | Welsh | Carpenter. | M | |
| 588 | Seith | Welsh | Seven. | M | |
| 589 | Sel | Welsh | Legendary son of Selgi. | M | |
| 590 | Selwyn | Welsh | Ardour; fair. | M | |
| 591 | Selyf | Welsh | Welsh form of Solomon 'peace'. | M | |
| 592 | Selyv | Welsh | Legendary son of Kynan. | M | |
| 593 | Siarl | Welsh | Welsh form of Charles 'manly'. | M | |
| 594 | Siawn | Welsh | Legendary son of Iaen. | M | |
| 595 | Siencyn | Welsh | Welsh form of Jenkin 'God is gracious'. | M | |
| 596 | Sinnoch | Welsh | Legendary son of Seithved. | M | |
| 597 | Sion | Welsh | Welsh form of John 'God is gracious'. | M | |
| 598 | Sior | Welsh | Welsh form of George 'farmer'. | M | |
| 599 | Steffan | Welsh | Crown; wreath. Variant of Stephen. | M | |
| 600 | Steffen | Welsh | Crown; wreath. Variant of Stephen. | M | |