| N A M E | O R I G I N | M E A N I N G |
| Blaeey | English | Blond. |
| Blaesus | Latin | Stammerer |
| Blagdan | English | From the dark valley. |
| Blagden | English | From the dark valley. |
| Blagdon | English | From the dark valley. |
| Blaike | English | Variant of Blake: Light; dark. |
| Blain | Gaelic | Variant of Blaine: Thin. |
| Blaine | Scottish | Servant of St. Blaan |
| Blainey | Celtic | Slender. |
| Blainy | Modern English | Thin |
| Blair | Gaelic | Field, Plain |
| Blais | French | Lisp, stutter. |
| Blaisdell | French | Lisp, stutter. |
| Blaise | French | Stammerer |
| Blaize | French | Lisp, stutter. |
| Blake | Old English | Pale, Fair |
| Blakelee | English | Variant of Blakely: From the light meadow; from the dark meadow. |
| Blakeley | English | Variant of Blakely: From the light meadow; from the dark meadow. |
| Blakelie | English | Variant of Blakely: From the light meadow; from the dark meadow. |
| Blakely | Modern English | Pale, Fair |
| Blakemore | English | From the dark moor. |
| Blakey | English | Blond. |
| Blanco | Spanish | White; blond. |
| Bland | Latin | Gentle. |
| Blandford | English | Variant of Blanford: Gray man's ford; gray haired. |
| Blandon | Latin | Gentle. |
| Blane | English | The Source of a River |
| Blaney | English | Variant of Blaine. |
| Blanford | English | Gray man's ford; gray haired. |
| Blar | Irish | From the fields. |