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| Name |
Gender |
Origin |
Meaning |
| Aderyn | Female | Welsh | A bird. |
| Aeron | Male | Welsh | An unusual boy's name. |
| Aled | Male | Welsh | Offspring. |
| Almedha | Female | Welsh | Shapely. |
| Alun | Male | Welsh | Harmony, or the cheerful handsome one. |
| Aneira | Female | Welsh | Truly golden. The feminine form of Aneurin. |
| Aneurin | Male | Welsh | Truly golden. |
| Angharad | Female | Welsh | Free from shame, or much loved. |
| Angwen | Female | Welsh | Very handsome. |
| Angwyn | Male | Welsh | Very handsome. |
| Ariene | female | Welsh | silvery |
| Arthus | male | Welsh | bear hero, a rock |
| Atawn | Male | Welsh | Harmony. Can be used as a form of Alan. |
| Awsta | Female | Welsh | Majestic, or revered. The Welsh form of Augusta. |
| Aylwen | Female | Welsh | A fair brow. |
| Bari | male | French, Celtic, Welsh | spear thrower, son of Harry, marksman |
| Bari | female | French, Celtic, Welsh | spear thrower, son of Harry, marksman |
| Berwyn | Male | Welsh | Fair-haired, or a bright friend. A boy or girl's name. |
| Berwyn | Female | Welsh | Fair-haired, or a bright friend. A boy or girl's name. |
| Bethan | Female | Welsh | A form of Elizabeth, meaning consecrated to God. |
| Betrys | Female | Welsh | The blessed one. She who brings joy. Form of Beatrice. |
| Bevan | Male | Welsh | Son of Evan Young warrior. |
| Bledig | Male | Welsh | Like a wolf. |
| Blodwen | Female | Welsh | White flower, or blessed flower. |
| Bowen | Male | Welsh | Son of Owen. |
| Branwen | Female | Welsh | Beautiful, or a holy raven. |
| Brecon | Male | Welsh | The name of a group of mountains. |
| Breok | Male | Cornish/Welsh | The name of an early saint. |
| Briallen | Female | Welsh | A Primrose. |
| Broderick | Male | Welsh | Son of Roderick. A renowned ruler. |
| Brody | Male | Welsh | Son of Roderick. A renowned ruler. |
| Bronwen | Female | Welsh | White or fair breasted. |
| Bronwyn | female | Welsh | fair breast |
| Brychan | Male | Welsh | The speckled, or freckled, one. |
| Bryn | Male | Welsh | A hill. A boy or girl's name. |
| Bryn | Female | Welsh | A hill. A boy or girl's name. |
| Brynmor | Male | Welsh | A large hill. |
| Cadell | Male | Welsh | The battle spirit. |
| Cadogan | Male | Old Welsh | Honour in battle. |
| Caerwyn | Male | Welsh | A blessed or holy fort. |
| Caradoc | Male | Celtic/Welsh | Beloved or amiable. |
| Cardew | Male | Cornish/Welsh | The black fort. |
| Carryl | Female | Welsh | Love. Also see Carol. |
| Carwyn | Male | Welsh | Blessed love. |
| Carys | Female | Welsh | The beloved one. |
| Catrin | Female | Welsh | Pure. |
| Ceinwen | Female | Welsh | Blessed and fair. |
| Ceridwen | Female | Welsh | Fair poetry. |
| Cledwyn | Male | Welsh | Rough but blessed. |
| Conway | Male | Welsh/Irish | Welsh: Holy water. Irish: A yellow hound. |
| Cranog | Male | Welsh | A heron. |
| Crisiant | Male | Welsh | Like a crystal. A boy or girl's name. |
| Crisiant | Female | Welsh | Like a crystal. A boy or girl's name. |
| Cynfor | Male | Welsh | A great chief. |
| Dafydd | Male | Welsh | Beloved. |
| Dai | Male | Welsh/Japanese | Welsh: The beloved, the adored one. Japanese: Great. A boy or girl's name. |
| Dai | Female | Welsh/Japanese | Welsh: The beloved, the adored one. Japanese: Great. A boy or girl's name. |
| Delwyn | Male | Old English/Welsh | Old English: A friend from the valley. Welsh: Neat and fair. A boy or girl's name. |
| Delwyn | Female | Old English/Welsh | Old English: A friend from the valley. Welsh: Neat and fair. A boy or girl's name. |
| Delyth | Female | Welsh | Neat and pretty. |
| Derryth | Female | Welsh | Of the Oak. |
| Derwent | Male | Welsh | The name of rivers in England and Tasmania. |
| Dewey | male | Welsh | Devin |
| Dewi | Male | Welsh | Welsh form of David. The beloved, the adored one. Also se Dafydd. |
| Dewitt | male | Welsh | blond |
| Dillon | Male | Welsh | Man from the sea. |
| Dilys | Female | Welsh | True, steadfast. |
| Dinsdale | Male | Welsh | Born on Sunday. |
| Dyfan | Male | Welsh | Welsh form of Damon. Day or constant. |
| Dylan | Male | Welsh | Man from the sea. |
| Eiddwen | Female | Welsh | The beloved fair one. |
| Eira | Female | Welsh | Snow. |
| Eirian | Female | Welsh | Silver. |
| Eirwen | Female | Welsh | As white as snow. |
| Eleri | Female | Welsh | The name of a river. |
| Elgan | male | Welsh | bright circle |
| Eluned | Female | Welsh | A waterfall. |
| Emlyn | Male | Welsh | Industrious. The masculine form of Emily. |
| Emrick | male | Welsh | immortal |
| Emrys | Male | Welsh | Welsh form of Ambrose. Immortal. |
| Emyr | Male | Welsh | Honour. |
| Eurwen | Female | Welsh | Fair. |
| Eurwyn | Male | Welsh | Fair and golden. |
| Evan | Male | Welsh | Young warrior. Also see John and Owen. |
| Ffionn | male | Welsh | Foxglove Flower |
| Floyd | Male | Welsh | The hollow. |
| Folant | Male | Welsh | Welsh form of Valentine. Strong, healthy. |
| Gareth | Male | Welsh | Gentle, or an old man. |
| Gaynor | Female | Welsh | Fair and soft. See Guinevere. |
| Geraint | Male | Welsh | Gentle, or an old man. |
| Gerwyn | Male | Welsh | Fair love. |
| Gethin | Male | Welsh | Dark-skinned. |
| Gladys | Female | Welsh | The lame one. Possibly a form of Claudia. |
| Glen | Male | Gaelic/Welsh/Cornish | From the valley or glen. A boy or girl's name. |
| Glen | Female | Gaelic/Welsh/Cornish | From the valley or glen. A boy or girl's name. |
| Glenda | Female | Welsh | Pure and good. Also see Glenys. |
| Glenys | Female | Welsh | Holy, pure. Also see Glenda. |
| Glyn | Male | Gaelic/Welsh/Cornish | From the valley or glen. |
| Glynn | Male | Gaelic/Welsh/Cornish | From the valley or glen. |
| Goronwy | Male | Welsh | A figure from Celtic mythology. |
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