| Name | First names | Arrt | Date of death | Place of death | Regimental unity | Record | Initial data |
|---|---|---|---|---|---|---|---|
| COSTAILLE | Desire | 10e | SAVOY - | ||||
| COSTAILLE | Désiré Albert | 13e | 06/23/1916 | SORCY (55) - FRANCE | 10 RI | Fiche | CORR |
| COSTANG | Joseph | 8e | 09/24/1914 | FOUCAUCOURT (80) - FRANCE | 22 RI | Fiche | CORR |
| COSTANT | Louis Ernest | 20e | 09/27/1915 | SOUAIN (51) - FRANCE | 355 RI | Fiche | |
| COSTANTIN | Rene | 5e | 12/18/1914 | MAMETZ (80) - FRANCE | 45 RI | ||
| COSTANTINI | Auguste | 6e | 10/13/1918 | WESTROOSEBEKE - BELGIQUE | 133 RA | ||
| COSTANTINI | Ours Dominique | 16e | 06/17/1916 | VERDUN (55) - FRANCE | 106 BCP | Fiche | |
| COSTARD | Claude Auguste | 17e | 10/17/1917 | VERDUN (55) - FRANCE | 1 RG | Fiche | |
| COSTARD | Edouard Emile | 3e | 05/22/1916 | Vadelaincourt (55) - FRANCE | 151 RI | Fiche | CORR |
| COSTARD | Jean Henri Francois | 15e | 09/25/1915 | BEAUSEJOUR (51) - FRANCE | 146 RI | ||
| COSTAZ | Frederic | 20e | 08/23/1916 | LE-QUESNEL (80) - FRANCE | 28 RI | ||
| COSTE | Alexandre | 11e | VILLIERS-SUR-MARNE (78) - FRANCE | 100 RI | |||
| COSTE | Andre Marie Louis | 16e | 10/21/1914 | MORT-MARE (54) - FRANCE | 368 RI | ||
| COSTE | Auguste | 5e | 09/28/1914 | XIVRAY (55) - FRANCE | 163 RI | ||
| COSTE | Benoit Jean | 11e | 03/02/1916 | VAUX-FORT (55) - FRANCE | 408 RI | Fiche | |
| COSTE | Charles | 3e | 03/23/1915 | Gironville-sous-les-Côtes (55) - FRANCE | 62 RIT | Fiche | CORR |
| COSTE | Desire Marcel | 20e | 09/29/1914 | MARICOURT (80) - FRANCE | 79 RI | ||
| COSTE | Edouard | 18e | 04/03/1915 | BOIS-LE-PRETRE (54) - FRANCE | 168 RI | ||
| COSTE | Eugene Justin Gustave | 12e | 09/27/1915 | NEUVILLE-SAINT-VAAST (62) - FRANCE | 39 RI | ||
| COSTE | Fernand | 11e | 12/18/1918 | MONT-DE-MARSAN (40) - FRANCE | 501 RAA | Fiche | |
| COSTE | Gaston | 18e | 10/17/1918 | SAINT-AMAND (18) - FRANCE | 68 RI | ||
| COSTE | Georges | 15e | 02/06/1919 | MEUDON (78) - FRANCE | 23 RIC | ||
| COSTE | Georges Alexandre | 20e | 07/26/1918 | OULCHY-LA-VILLE (02) - FRANCE | 50 RI | Fiche | |
| COSTE | Henri | 18e | 04/19/1917 | BEAULNE-ET-CHIVY (02) - FRANCE | 5 RH | Fiche | |
| COSTE | Henri Justin | 13e | 10/04/1914 | SOMME-SUIPPE (51) - FRANCE | 7 RI | ||
| COSTE | Jean | 2e | 09/14/1914 | FONTENOY (02) - FRANCE | 305 RI | Fiche | |
| COSTE | Jean | 5e | 09/25/1916 | RANCOURT (80) - FRANCE | 94 RI | ||
| COSTE | Joseph | 11e | 09/24/1914 | PLESSIS-DE-ROYE (60) - FRANCE | 105 RI | Fiche | |
| COSTE | Joseph Jean | 13e | 09/26/1915 | BEAUSEJOUR (51) - FRANCE | 146 RI | ||
| COSTE | Jules | 12e | 10/25/1916 | VAUX-FORT (55) - FRANCE | 216 RI | ||
| COSTE | Julien | 11e | NEUVILLE-SAINT-VAAST (62) - FRANCE | 39 RI | |||
| COSTE | Justin | 10e | - | ||||
| COSTE | Louis Pierre | 18e | 12/18/1914 | BOIS-DE-LA-GRUERIE (51) - FRANCE | 120 RI | ||
| COSTE | Louis Marie Amedee | 12e | 05/05/1916 | ESNES-COTE-304 (55) - FRANCE | 268 RI | ||
| COSTE | Marcel | 18e | 10/08/1918 | HARINGHE - BELGIQUE | 152 RI | ||
| COSTE | Maurice | 18e | 08/25/1914 | CHAMPENOUX (54) - FRANCE | 26 RI | ||
| COSTE DE CHAMPERON | Gustave Pierre Henri | 9e | 04/04/1917 | CORMICY (51) - FRANCE | 215 RA | Fiche | |
| COSTE-CHAREYRE | Alphonse Henri Joseph | 20e | 01/08/1915 | THANN - ALSACE 68 | 359 RI | Fiche | CORR |
| COSTEAU | Marcel | 18e | 10/15/1914 | BAGATELLE (51) - FRANCE | 91 RI | ||
| COSTEL | Auguste Victor | 16e | 09/13/1914 | AGUILCOURT (02) - FRANCE | 332 RI | Fiche | |
| COSTEL | Louis | 5e | SOUVILLE (55) - FRANCE | 28 RI | |||
| COSTELLA | Andre | 20e | 08/05/1914 | VELAINE (54) - FRANCE | 153 RI | ||
| COSTELLE | Aime | 19e | 07/19/1915 | RENNES (35) - FRANCE | 408 RI | ||
| COSTEMALE LACOSTE | Felix | 16e | 06/12/1918 | BOURSAULT (51) - FRANCE | 20 ETEM | ||
| COSTERG | Pierre Joseph | 19e | 08/17/1916 | CLERY-SUR-SOMME (80) - FRANCE | 35 RI | Fiche | |
| COSTERIZAN | Hippolyte Charles | 11e 20e | 10/30/1914 | VAILLY (02) - FRANCE | 132 RI | Fiche | |
| COSTEROSTE | André Julien | 3e | 09/13/1918 | Vauxaillon (02) - FRANCE | 6 BCA | Fiche | CORR |
| COSTEROUSSE | Antoine Pierre Cesar | 2e | 09/23/1914 | SPADA (55) - FRANCE | 25 BCP | ||
| COSTEROUSSE | Etienne | 19e | 02/03/1918 | VERSAILLES (78) - FRANCE | 251 RI | Fiche | |
| COSTEROUSSE | Fernand Paul | 13e | 11/01/1914 | NIEUPORT - BELGIQUE | 19 BCP | Fiche |
Legend
In blue: information corrected by a citizen. The CORR link shows the initial data.
A whole row in blue indicates a Mémoire des Hommes reference.