| Insunza | Zarate | 1916 | desbideratzailea/desviador | | | BDST 38 |
| Iranzo | Moreno | 1915 | Labrador | | | BDST 12 |
| Irastorza | Iduain | 1918 | Obrero | | | BDST 14 |
| Iriarte | Aguerrebere | 1916 | landa-langilea/campo | | | BDST 6 |
| Iridona | Camuzo | 1915 | campesino | | | BDST 14 |
| Irigüen | Zallo | 1916 | enplegatua/empleado | | | BDST 38 |
| Iriondo | - | 1916 | - | | | BDST 38 |
| Isasi | Aguirre | 1916 | okina /panadero | | | BDST 38 |
| Istosella | Pidemont | 1918 | - | | | BB.TT. 106 |
| Itrube | San Emeterio | - | - | | | BDST 38 |
| Iturburuaga | Sorozabal | 1918 | * | | | BB.TT. 3 |
| Iturmendi | Busto | 1915 | merkataria/comercio | | | BDST 6 |
| Iturregui | Garay | - | - | | | BDST 38 |
| Iturregui | Unibaso | 1916 | sukaldaria/cocinero | | | BDST 6 |
| Ivanoff | Vodenicharoff | - | - | | | Hospital Militar Disciplinario |
| Izaguirre | Aldai | 1916 | soldatzaile elektrikoa/soldador eléctrico | | | BDST 38 |
| Izaguirre | Arambarri | 1916 | jornalaria /jornalero | | | BDST 38 |
| Izquierdo | San Julián | 1916 | - | | | BB.TT. 106 |
| Izquierdo | Laserna | 1916 | mariñela/marino | | | BDST 38 |
| Izquierdo | de la Parra | 1915 | Estudiante | | | BDST 13 |
| Jaime | Romero | 1919 | * | | | BB.TT. 3 |
| Jara | Aparicio | 1915 | chófer | | | BDST 14 |
| Jara | Fernández | 1915 | labrador | | | BDST 14 |
| Jareguibeitia | Elorriaga | - | - | | | BDST 38 |
| Jareño | Rabadan | 1918 | * | | | BB.TT. 100 |
| Javaloyos | Alcalá | 1919 | - | | | BB.TT. 127 |
| Javatera | Parras | 1916 | landa-langilea campo | | | BDST 6 |
| Jeiar? | Caperochipi? | 1917 | Linternero | | | BDST 14 |
| Jeijo | R. de Asua | - | - | | | BDST 38 |
| Jiménez | Alberte | 1919 | - | | | BB.TT. 106 |
| Jiménez | Fernández | 1918 | - | | | BB.TT. 106 |
| Jiménez | Morales | 1918 | - | | | BB.TT. 106 |
| Jiménez | Soto | 1918 | - | | | BB.TT. 106 |
| Jiménez | Ramírez | 1918 | - | | | BB.TT. 127 |
| Jiménez | Ariza | 1916 | landa-langilea campo | | | BDST 6 |
| Jiménez | Cano | 1916 | landa-langilea campo | | | BDST 6 |
| Jiménez | Escudero | 1916 | landa-langilea campo | | | BDST 6 |
| Jiménez | Hernández | 1916 | treneko langilea/ferroviario | | | BDST 6 |
| Jiménez | López | 1916 | errementaria/herrero | | | BDST 6 |
| Jiménez | Martínez | 1916 | landa-langilea campo | | | BDST 6 |
| Jiménez | Torres | 1916 | landa-langilea campo | | | BDST 6 |
| Jiménez | Badillo | 1916 | landa-langilea campo | | | BDST 6 |
| Jiménez | García | 1916 | landa-langilea campo | | | BDST 6 |
| Jiménez | Pérez | 1916 | landa-langilea campo | | | BDST 6 |
| Jiménez | Ruiz | 1916 | landa-langilea campo | | | BDST 6 |
| Jiménez | García | 1918 | * | | | BB.TT. 3 |
| Jiménez | Gil | 1915 | * | | | BB.TT. 100 |
| Jiménez | Andújar | 1919 | * | | | BB.TT. 100 |
| Jiménez | Martínez | 1919 | * | | | BB.TT. 100 |
| Jiménez | Valero | 1919 | * | | | BB.TT. 100 |