Todos los nombres - Izen guztien zerrenda
| Bóveda | Ortiz de Zarate | 1916 | txoferra/chófer | | | BDST 38 |
| Bringas | Tellitu | 1916 | txoferra/chofer | | | BDST 38 |
| Bringas | - | - | - | | | BDST 38 |
| Briones | Briones | 1915 | Campesino | | | BDST 13 |
| Bronceño | García | 1915 | ferroviario | | | BDST 14 |
| Brotons | Flores | 1915 | Pintor | | | BDST 12 |
| Bruguet | Frutanella | 1920 | - | | | BB.TT. 106 |
| Buenaventura | Amat | 1920 | - | | | BB.TT. 127 |
| Bueno | Martín | 1916 | orgaria/carrero | | | BDST 6 |
| Bueno | Pérez | 1915 | Conductor | | | BDST 12 |
| Buera | Piquer | 1920 | * | | | BB.TT. 100 |
| Bujaldón | Hernández | 1916 | landa-langilea campo | | | BDST 6 |
| Bujaldón | Minero | 1916 | landa-langilea campo | | | BDST 6 |
| Bumbau | Pérez | 1915 | * | | | BDST 12 |
| Burchunduy? | Ormaechea | 1917 | Armero | | | BDST 14 |
| Burgos | Alba | 1916 | landa-langilea campo | | | BDST 6 |
| Burgos | Manella | 1916 | txoferra/chofer | | | BDST 6 |
| Busta | Pasenal | 1916 | fontanero | | | BDST 14 |
| Bustamante | Pulgar | - | - | | | BDST 38 |
| Bustingorri | Yus | 1915 | * | | | BDST 12 |
| Bustos | García | 1915 | Mecánico | | | BDST 12 |
| Butrón | - | - | - | | | BDST 38 |