| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 21 | Argraff | Welsh | Impression. | F | |
| 22 | Arial | Welsh | Vigorous. | F | |
| 23 | Arian | Welsh | Silver. | F | |
| 24 | Ariana | Welsh | Silver. | F | |
| 25 | Arianrhod | Welsh | Legendary daughter of Don. | F | |
| 26 | Arlais | Welsh | From the temple. | F | |
| 27 | Armes | Welsh | Prophetess. | F | |
| 28 | Artaith | Welsh | Torment. | F | |
| 29 | Arthes | Welsh | She bear. | F | |
| 30 | Arwydd | Welsh | Sign. | F | |
| 31 | Asgre | Welsh | Heart. | F | |
| 32 | Atgas | Welsh | Hateful. | F | |
| 33 | Awel | Welsh | Breeze. | F | |
| 34 | Banon | Welsh | Queen. | F | |
| 35 | Berth | Welsh | Beautiful. | F | |
| 36 | Berthog | Welsh | Wealthy. | F | |
| 37 | Bettrys | Welsh | The Welsh form of the Latin Beatrix, meaning 'brings joy. | F | |
| 38 | Blodwen | Welsh | White flower. | F | |
| 39 | Blodwyn | Welsh | White flower. | F | |
| 40 | Braith | Welsh | Freckled. | F | |