| Name | First names | Arrt | Date of death | Place of death | Regimental unity | Record | Initial data |
|---|---|---|---|---|---|---|---|
| ORLHAC | Pierre | 17e | 04/09/1918 | HANGARD (80) - FRANCE | 165 RI | Fiche | |
| ORLIAC | Jean | 20e | 08/18/1914 | PETITMONT (54) - FRANCE | 121 RI | Fiche | |
| ORLIAGUET | Antoine | 10e | 09/05/1918 | VILLIERS-LE-BEL (78) - FRANCE | 277 RI | Fiche | |
| ORLIAGUET | François | 11e | 05/23/1916 | MOUILLY (55) - FRANCE | 51 RA | Fiche | CORR |
| ORLIAGUET | Paul Maurice Antoine | 18e | 10/18/1918 | THIELL - BELGIQUE | 5 RI | Fiche | CORR |
| ORLIANGE | Georges Baptiste | 19e | - | ||||
| ORLIANGE | Louis | 4e | 02/02/1919 | MESGRIGNY (10) - FRANCE | 8 RZ | Fiche | |
| ORLIANGES | François | 18e | 08/28/1914 | LA-BESACE (08) - FRANCE | 100 RI | ||
| ORLUC | Auguste | 18e | 04/11/1915 | CARENCY (62) - FRANCE | 226 RI | ||
| ORLUC | Octave Leger | 7e | 09/24/1914 | PERONNE (80) - FRANCE | 9 RC | ||
| ORNSTEIN | Albert Lazare | 12e | 12/12/1914 | VERBRANDEN-MOLEN - BELGIQUE | 4 RZ | Fiche | |
| ORNSTEIN | Joseph | 12e | 08/20/1917 | LEMMES (55) - FRANCE | 13 RA | Fiche | |
| ORREEL | Bernard | 13e | 09/06/1914 | VILLE-SUR-COUSANCES (55) - FRANCE | 165 RI | Fiche | |
| ORSAL | Auguste | 15e | 04/05/1915 | FLIREY (54) - FRANCE | 367 RI | ||
| ORSAL | Celestin Albert Guillaume | 12e | 09/06/1914 | GERBEVILLER (54) - FRANCE | 122 RI | Fiche | |
| ORSAL | Gabriel François | 18e | 11/21/1917 | DEVANT JUVINCOURT ET DAMARY (02) - FRANCE | 131 RI | Fiche | CORR |
| ORSAL | Joseph Albert | 16e | 04/16/1917 | SAPIGNEUL (02) - FRANCE | 150 RI | Fiche | |
| ORSAL | Louis Roger | 18e | 02/18/1916 | SOMMEDIEUE (55) - FRANCE | 51 RI | ||
| ORSAT | Lucien Clement | 12e | 09/08/1914 | SAINT-LOUP-TERRIER-LE-PREFERE (08) - FRANCE | 336 RI | ||
| ORSATTI | Jean Augustin | 2e 11e | 08/29/1914 | MURVAUX (55) - FRANCE | 165 RI | Fiche | |
| ORSAY | Alphonse Henri Albert | 14e | 02/25/1915 | PERTHES-LES-HURLUS (51) - FRANCE | 103 RI | Fiche | |
| ORSET | Marcel Alphse. | 13e | 09/17/1916 | BOUCHAVESNES (80) - FRANCE | 89 RI | ||
| ORSETTI (DE) | Alexandre Stanislas | 8e | 03/02/1918 | AMIENS (80) - FRANCE | 25 RD | ||
| ORSINI | Alexandre Louis | 20e | 04/30/1917 | MORONVILLIERS (51) - FRANCE | 41 RI | Fiche | |
| ORSINI | Antoine Auguste | 14e | 10/10/1917 | HAM (80) - FRANCE | |||
| ORSINI | Jacques | 18e | 09/26/1915 | NEUVILLE-SAINT-VAAST (62) - FRANCE | 5 RI | ||
| ORSINI | Jean Baptiste | 16e | 08/22/1914 | CHARLEROI - BELGIQUE | 5 RI | Fiche | |
| ORSINI | Marius | 6e | 09/19/1914 | BAILLY (60) - FRANCE | 1 RZ | Fiche | |
| ORSINO | Prosper | 20e | 12/13/1914 | FLIREY (54) - FRANCE | 10 RG | Fiche | |
| ORSY | Emile | 18e | FLEURY (55) - FRANCE | 167 RI | |||
| ORTEGA | Romain | 11e | 09/13/1914 | AGUILCOURT (02) - FRANCE | 332 RI | Fiche | |
| ORTHAVANT | Louis | 13e | 12/13/1914 | SAINTE-MENEHOULD (51) - FRANCE | 147 RI | Fiche | |
| ORTHON | Louis Henri | 11e | 09/03/1914 | SAINT-BENOIT-LA-CHIPOTTE (88) - FRANCE | 17 BCA | Fiche | CORR |
| ORTICONI | Francois | 5e | 03/14/1915 | LA-CHALADE (55) - FRANCE | 6 RIC | ||
| ORTICONI | Francois | 13e | PARIS (75) - FRANCE | 21 RIC | |||
| ORTIGE | Leon | 18e | 09/30/1915 | SOMME-SUIPPE (51) - FRANCE | 35 RIC | ||
| ORTION | Georges Louis | 14e | 05/17/1915 | BETHUNE (62) - FRANCE | 104 RI | Fiche | |
| ORTIZ | Lucien | 18e | 01/29/1915 | ZUYDCOOTE (59) - FRANCE | 4 RH | Fiche | |
| ORTLIEB | Clement | 2e | 08/09/1918 | GAOUZ - MAROC | 1 RE | ||
| ORTOLI | Antoine Padoue Quillien | 17e | CONDE-SUR-SUIPPE (02) - FRANCE | 254 RI | |||
| ORTOLI | Quilicus Joseph Noël | 12e | 06/16/1915 | NEUVILLE-SAINT-VAAST (62) - FRANCE | 69 RI | ||
| ORTOLLAND | Lucien Joseph | 2e | 08/11/1918 | TILLOLOY (80) - FRANCE | 22 BCP | Fiche | |
| ORTRIC | Louis Ernest | 4e | 10/14/1914 | BAGATELLE (51) - FRANCE | 91 RI | Fiche | |
| ORVAIN | Auguste | 13e | 12/20/1916 | DOUAUMONT (55) - FRANCE | 74 RI | ||
| ORY | Alexandre | 7e | 04/09/1916 | CUMIERES (55) - FRANCE | 8 BCP | Fiche | |
| ORY | Charles Raymond | 10e | 11/06/1914 | ALENCON (61) - FRANCE | 26 BCP | Fiche | |
| ORY | Eugène Édouard | 18e | 05/22/1915 | BAGATELLE, VIENNE-LE-CHÂTEAU (51) - FRANCE | 9 RG | Fiche | CORR |
| ORY | Felix | 19e | 09/18/1918 | VOYENNES (80) - FRANCE | 102 BCP | ||
| ORY | Gustave Constant Louis | 18e | 07/27/1917 | FERME D'HURTEBISE (02) - FRANCE | 290 RI | Fiche | CORR |
| OSBACH | André Gabriel | 11e | 09/26/1914 | SAINT-SOUPPLETS (77) - FRANCE | 289 RI | Fiche | CORR |
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.