Boys Aled A river and lake in Clwyd Alun A river in Clwyd Aneirin The name of an early Welsh poet Arfon An area in Gwynedd around Caernarfon Arthur A Welsh king famous for his bravery in battle and his horsemanship Bedwyr One of king Arthur's right hand men Bleddyn Wolf Brychan This name means freckled, and was the name of the ruler from which the name of Breckonshire is derived Cai An officer of Arthur's court Caid The king of Esyllwg who ruled South East Wales from Porthceri, Barry and fought bravely against the Romans Ceri This name is derived from the word for love. It can be used for either a boy or a girl. Clwyd A territory in North East Wales Cybi A saint whose name lives on in Caergybi (Holyhead) Dafydd A saint Deiniol A sixth century saint regarded as the first bishop of Bangor Dewi The patron saint of Wales whose death is celebrated on 1 March every year Dyfed A territory in South West Wales Dyfrig The name of an early Welsh saint Dylan A sea god from mythology Einion/Eynon Anvil Eirian This name is derived from the word for silver. It can be used for either a boy or a girl. Eurig This means 'golden ruler'. Euryn A golden boy Garan Heron. Gareth Benign, caring Geraint This is the name of the hero of one of the romances in the Mabinogion. Gruffydd This name means 'strong lord'. It is also used in the diminutive form of Guto. Gwyn White, holy, fair Gwynedd A territory in North West Wales Hedd Peace Hefin This name derives from the word for summer. Huw Warm hearted Hywel Eminent. Hywel Dda was a 10th century king whose name is associated with the Welsh Laws Idris The name of the mythical giant that gave his name to the mountain Cader Idris. Iestyn A Welsh form of Justin, meaning fairness. Ieuan/Ifan/Ioan Along with Iwan, these are all Welsh forms of John. A diminutive form is Ianto. Llwyd One with grey hair. Iolo or Iori Diminuatives of Iorwerth Iorwerth Worthy lord or worthy of God Irfon A river in Powys where Llywelyn ap Gruffydd, the last independent prince of Wales, died in 1282 Iwan Form of John Llywelyn Leader, prince Meilir This name is derived from the ancient British for 'great king'. Meirion This name is derived from the Roman name Marianus. Meirion was said to be one of the sons of Cunedda Wledig and to have given his name to the district of Merionethshire. Meredydd Great lord. Morgan An old name which could mean either 'born great' or 'born of the sea'. This was the name of the early Welsh ruler who gave his name to Glamorgan. Myrddin The Welsh form of Merlin. A mythological poet and wizard. Nefydd Heavenly Osian The name in its Welsh form of the hero who features in the Irish love story of Niamh and Oisin Owain Well-born Pedr Stone or rock Peredur The name of one of King Arthur's knights Rhisiart The Welsh form of Richard, which means 'strong ruler'. Rhodri An old Celtic name which literally means 'king of the wheel'. Rhodri Fawr was the name of the king who united most of Wales under his rule in the ninth century. Rhun Loved Rhydderch This means 'generous lord'. Rhydderch Hael was the ruler of the ancient British kingdom of Rheged, which corresponds to the modern Cumbria. Rhys King Seiriol A saint who gave his name to Ynys Seiriol (Puffin Island) off Anglesey. Steffan A Welsh form of Stephen. Tristan The name of the hero associated in Welsh with the story of Tristram and Isolde. Wyn White, pure. Ynyr This is a Welsh form of the Roman name Honorius. This was the name of one of the kings of Gwent who lived in the fifth century.