| Baby Name | Meaning | Gender |
|---|
| Owain | Son Of Urien | Male |
| Owen | Young Fighter | Male |
| Owin | Young Fighter | Male |
| Owyn | Young Fighter | Male |
| Penn | From The Enclosure | Male |
| Pryderi | Care | Male |
| Pwyll | Myth Name (Lord Of Annwn) | Male |
| Reece | Ardent: Fiery. | Male |
| Reese | | Female |
| Ren | Raven | Male |
| Rhett | "Enthusiastic, Stream." | Male |
| Rhianna | Goddess. | Female |
| Rhiannon | Myth Name (Daughter Of Hefeydd) | Female |
| Rhydderch | Meaning Unknown | Male |
| Rhys | Fiery. | Male |
| Roderick | Famous Ruler | Male |
| Rodric | Famous Ruler. | Male |
| Roland | Renowned In The Land. Roland Was A Legendary Hero Who Served Charlemagne. | Male |
| Sara | From Sarah In The Bible (Princess) | Female |
| Scilti | Legend Name (Messenger Of Arthur) | Male |
| Selwyn | Friend At Court | Male |
| Seren | Star | Female |
| Seth | Myth Name (Murdered Osiris) | Male |
| Sion | A Form Of John | Male |
| Tad | Abbreviation Of Thaddeus Who Was One Of Christ's 12 Apostles. | Male |