| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 81 | Arvel | Welsh | Cried over. | M | |
| 82 | Arvil | Welsh | Cried over. | M | |
| 83 | Arwydd | Welsh | Sign. | F | |
| 84 | Arwystli | Welsh | Good advice; good counsel. | M | |
| 85 | Asgre | Welsh | Heart. | F | |
| 86 | Atgas | Welsh | Hateful. | F | |
| 87 | Avaon | Welsh | Legendary son of Talyessin. | M | |
| 88 | Awel | Welsh | Breeze. | F | |
| 89 | Awst | Welsh | Great. | M | |
| 90 | Awstin | Welsh | August. | M | |
| 91 | Badan | Welsh | Boar. | M | |
| 92 | Badden | Welsh | Boar. | M | |
| 93 | Baddon | Welsh | From Baddon. | M | |
| 94 | Baeddan | Welsh | Boar. | M | |
| 95 | Banon | Welsh | Queen. | F | |
| 96 | Banys | Welsh | Son of Harry. | M | |
| 97 | Barris | Welsh | Son of Harry. | M | |
| 98 | Beavan | Welsh | Variant of Bevan: Evan's son. | M | |
| 99 | Beaven | Welsh | Variant of Bevan: Evan's son. | M | |
| 100 | Beda | Welsh | Welsh form of Bede: name of a priest. | M | |