| Girl | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Boy | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Girl | ||||||||||||
| A | B | C | D | E | F | G | H | I | J | K | L | M |
| N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Boy | ||||||||||||
| A | B | C | D | E | F | G | H | I | J | K | L | M |
| N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Name | Meaning | Gender | Numerology |
|---|---|---|---|
| Ab Owen | Son of Owen | Boy | 6 |
| Aberfa | From the mouth of the river | Girl | 6 |
| Abertha | Sacrifice | Girl | 1 |
| Aberthol | Sacrifice | Boy | 9 |
| Adain | Winged | Girl | 2 |
| Adara | Catches birds | Girl | 7 |
| Adda | Welsh form of Adam of the red earth | Boy | 1 |
| Addfwyn | Meek | Girl | 5 |
| Addien | Beautiful | Girl | 1 |
| Addiena | Beautiful | Girl | 2 |
| Addolgar | Devout | Boy | 8 |
| Adenydd | Winged | Girl | 3 |
| Adwr | Coward | Boy | 1 |
| Adyna | Wretched | Girl | 9 |
| Aedd | A king of Ireland | Boy | 5 |
| Aelwyd | From the hearth | Girl | 7 |
| Alawn | Harmony | Boy | 6 |
| Albanwr | From Scotland | Boy | 8 |
| Aled | Offspring | Boy | 4 |
| Aledwen | Feminine form of Aled Offspring | Girl | 1 |
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| Alwin | From Alwyn | Boy | 5 |
| Alwyn | From Alwyn | Boy | 3 |
| Alys | A form of the German Alice, meaning nobility | Girl | 3 |
| Amathaon | Legendary son of Don | Boy | 1 |
| Amerawdwr | Emperor | Boy | 7 |
| Amhar | Legendary son of Arthur | Boy | 5 |
| Amlawdd | Legendary father of Goieuddydd | Boy | 4 |
| Amren | Legendary son of Bedwyr | Boy | 6 |
| Amser | Time | Girl | 2 |
| Amynedd | Patient | Boy | 3 |
| Amyneddgar | Patient | Boy | 2 |
| Anarawd | Legendary father of Iddig | Boy | 8 |
| Andras | Manly brave Variant of English Andrew | Boy | 3 |
| Andreas | Welsh form of Andrew manly | Boy | 8 |
| Aneira | Feminine form of Aneurin Uncertain origin, but may be derived from the Latin Honorius meaning man of honour, or from the Welsh eur meaning gold | Girl | 3 |
| Aneirin | Uncertain origin, but may be derived from the Latin Honorius meaning man of honour, or from the Welsh eur meaning gold | Boy | 7 |
| Aneurin | Uncertain origin, but may be derived from the Latin Honorius meaning man of honour, or from the Welsh eur meaning gold | Boy | 1 |
| Anfri | Disgrace | Boy | 3 |
| Angawdd | Legendary son of Caw | Boy | 9 |
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| Anghard | Loved greatly | Girl | 8 |
| Anghrist | Antichrist | Boy | 6 |
| Angor | Anchor | Boy | 1 |
| Anwar | Wild | Boy | 3 |
| Anwas | Legendary father of Twrch | Boy | 4 |
| Anwell | Beloved | Boy | 4 |
| Anwen | Very beautiful | Girl | 3 |
| Anwil | Beloved | Boy | 5 |
| Anwill | Beloved | Boy | 8 |
| Anwir | Liar | Boy | 2 |
| Anwyl | Beloved | Boy | 3 |
| Anwyll | Beloved | Boy | 6 |
| Anynnawg | Legendary son of Menw | Boy | 9 |
| Anyon | Anvil | Boy | 6 |
| Ap Evan | Son of Evan | Boy | 5 |
| Ap Harry | Son of Harry | Boy | 6 |
| Ap Howell | Son of Howell | Boy | 2 |
| Ap Maddock | Son of Maddock | Boy | 5 |
| Ap Owen | Son of Owen | Boy | 2 |
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| Ap Roderick | Son of Roderick | Boy | 1 |
| Ardwyad | Protector | Boy | 4 |
| Argel | Refuge | Girl | 7 |
| ArgIwyddes | Lady | Girl | 7 |
| Arial | Vigorous | Girl | 5 |
| Arian | Silver | Girl | 7 |
| Ariana | Silver | Girl | 8 |
| Arianrhod | Legendary daughter of Don | Girl | 7 |
| Ariene | silvery | Girl | 7 |
| Arlais | From the temple | Girl | 6 |
| Armes | Prophetess | Girl | 2 |
| Artaith | Torment | Girl | 5 |
| Arthes | She bear | Girl | 8 |
| Arthur | Bear hero | Boy | 5 |
| Arthus | bear hero, a rock | Boy | 6 |
| Arthwr | Bear hero | Boy | 7 |
| Arval | Cried over | Boy | 9 |
| Arvel | Cried over | Boy | 4 |
| Arvil | Cried over | Boy | 8 |
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| Arwystli | Good advice good counsel | Boy | 1 |
| Asgre | Heart | Girl | 5 |
| Atgas | Hateful | Girl | 3 |
| Avaon | Legendary son of Talyessin | Boy | 8 |
| Awel | Breeze | Girl | 5 |
| Awst | Great | Boy | 9 |
| Awstin | August | Boy | 5 |
| Baddon | From Baddon | Boy | 4 |
| Baeddan | Boar | Boy | 4 |
| Banys | Son of Harry | Boy | 7 |
| Barris | Son of Harry | Boy | 4 |
| Beavan | Variant of Bevan Evans son | Boy | 9 |
| Beaven | Variant of Bevan Evans son | Boy | 4 |
| Beda | Welsh form of Bede name of a priest | Boy | 3 |
| Bedwyr | Legendary son of Pedrawd | Boy | 5 |
| Bedyw | Legendary son of Seithved | Boy | 5 |
| Beli Mawr | Legendary brother in law of the Virgin Mary | Boy | 2 |
| Bendigeidfran | Blessed raven | Boy | 8 |
| Berth | Legendary son of Cadwy | Boy | 8 |