| Serrano | Sánchez | 1915 | Ladrillero |  |  | BDST 14 |  
 | Serrat | Roda | 1915 | * |  |  | BB.TT. 3 |  
 | Sesé | Cayuela | 1915 | Albañil |  |  | BDST 12 |  
 | Severo | Zupiola | 1915 | Campesino |  |  | BDST 14 |  
 | Sevilla | Terrés | 1915 | * |  |  | BDST 12 |  
 | Sevilla | Paje | 1915 | Dependiente |  |  | BDST 14 |  
 | Sevilleja | García | 1915 | Labrador |  |  | BDST 14 |  
 | Sierra | Aguilar | 1916 | landa-langilea campo |  |  | BDST 6 |  
 | Sierra | Alvarez | 1917 | * |  |  | BB.TT. 3 |  
 | Sierra | Arena | 1920 | * |  |  | BB.TT. 100 |  
 | Sierra | Quintana | 1916 | Minero |  |  | BDST 14 |  
 | Silloniz | Madarieta | 1916 | metalurgikoa/metalúrgico |  |  | BDST 38 |  
 | Simón | López | 1916 | landa-langilea campo |  |  | BDST 6 |  
 | Simón | Milán | 1917 | * |  |  | BB.TT. 100 |  
 | Simón | Soler | 1915 | * |  |  | BDST 12 |  
 | Sirvent | Jordana | 1916 | - |  |  | BB.TT. 127 |  
 | Sobrino | Valmaseda | 1919 | * |  |  | BB.TT. 100 |  
 | Sobrino | Carrote | 1915 | Jornalero |  |  | BDST 13 |  
 | Solaegui | Arrien | 1916 | nekazaria/labrador |  |  | BDST 38 |  
 | Solanilla | Muñoz | 1916 | jornalaria/jornalero |  |  | BDST 6 |  
 | Solé | Marquilles | - | - |  |  | Hospital Militar Disciplinario |  
 | Soler | Gilabert | 0 | - |  |  | Hospital Militar Disciplinario |  
 | Soler | Mañez | 1915 | Ebanista |  |  | BDST 12 |  
 | Soler | López | 1915 | Comerciante |  |  | BDST 12 |  
 | Soler | Ferrandis | 1915 | Jornalero |  |  | BDST 12 |  
 | Solís | Sánchez | 1916 | - |  |  | BB.TT. 106 |  
 | Solozabal | Ormastea | 1916 | denda-saltzailea/dependiente |  |  | BDST 38 |  
 | Soria | Romero | 1915 |  |  |  | BDST 12 |  
 | Soria  | Fernández | 1915 | Campesino |  |  | BDST 14 |  
 | Soriano | Díaz | 1916 | bizargilea barbero |  |  | BDST 6 |  
 | Soriano | Montoro | 1916 | bizargilea barbero |  |  | BDST 6 |  
 | Soriano | Alexandre | 1915 | Transportista |  |  | BDST 12 |  
 | Sosa | Hermosel | 1916 | * |  |  | BB.TT. 100 |  
 | Soto | Jímenez | 1915 | Campesino |  |  | BDST 14 |  
 | Soto | Ruiz | 1915 | Metalúrgico |  |  | BDST 14 |  
 | Soto | Terrado | 1915 | Campesino |  |  | BDST 14 |  
 | Sta. Mª-Amurrio | Garma | - | - |  |  | BDST 38 |  
 | Suárez | García | 1916 | jornalaria/jornalero |  |  | BDST 6 |  
 | Suárez | Díaz | 1918 | - |  |  | BB.TT. 106 |  
 | Suárez | Díaz | 1916 | - |  |  | BB.TT. 106 |  
 | Suárez | Fernández | 1916 | - |  |  | BB.TT. 106 |  
 | Suárez | Fonseca | 1918 | - |  |  | BB.TT. 106 |  
 | Suárez | González | 1918 | - |  |  | BB.TT. 106 |  
 | Suárez | Martínez | 1915 | - |  |  | BB.TT. 106 |  
 | Suárez | Rodríguez | 1916 | - |  |  | BB.TT. 106 |  
 | Suárez | Suárez | 1916 | - |  |  | BB.TT. 106 |  
 | Suárez | Díaz | 1918 | * |  |  | BB.TT. 3 |  
 | Suárez | Suárez | 1917 | * |  |  | BB.TT. 100 |  
 | Suela  | Soto | 1915 | Campesino |  |  | BDST 14 |