| Ash | Ash Tree. | Male |
| Ashford | Lives By The Ash-Tree Ford | Male |
| Asopus | Myth Name (Son Of Hector Killed At Troy) | Male |
| Avonmora | From The Great River | Female |
| Avonmore | From The Great River | Male |
| Bain | Lives Near The Clear Stream | Male |
| Ballinamore | From The Great River | Male |
| Beck | Brook | Male |
| Beckham | | Male |
| Beresford | From The Barley Ford | Male |
| Beverly | Woman From The Beaver Meadow. Beaver Stream. | Female |
| Bickford | From The Hewer's Ford | Male |
| Biford | Lives At The River Crossing | Male |
| Birney | Lives On The Brook Island | Male |
| Blaine | Slender | Male |
| Blanford | Gray-Haired | Male |
| Blythe | Happy | Female |
| Bourne | From The Brook | Male |
| Boyd | Blonde: Fair-Haired. | Male |
| Boyne | White Cow | Male |
| Boynton | From Tbe White River | Male |
| Bradburn | From The Broad Brook | Male |
| Bradford | From The Broad Ford | Male |
| Bran | Raven | Male |
| Brent | Hilltop. | Male |