| Nom | Prénoms | M/F | Lieu de naissance | Date de naissance | Pays |
| YACOMETTI | Bernardi | M | Trecate (NO - Piemont) | 1872/09/20 | I |
| YAGI | Johannes | M | Saanen (canton de Berne) | 1877/08/15 | CH |
| YAHN | Oscar Christian | M | Genève (conton de Genève) | 1880/10/16 | CH |
| YAKIN | Christine | F | Quisca (Slovénie) | 1898/12/06 | I |
| YANKULIK | Pascal | M | Terlauf | 1893/07/25 | CZ |
| YANOVSKY | Maximilien | M | Kharkoff | 1894/12/19 | RUS |
| YAT | Celso | M | Bruzolo (TO - Piemont) | 1882/07/27 | I |
| YAZLOVETZKY | Théodore | M | Pleteny Tashlyk (Oblast de Kherson - Ukraine) | 1894/08/13 | RUS |
| YERLI | Jeanne Claire | F | Treyvaux (canton de Fribourg) | 1922/01/15 | CH |
| YERLI | Louis Adrien | M | Siviriez (canton de Fribourg) | 1925/10/15 | CH |
| YERLI | Marcel Joseph | M | Treyvaux (canton de Fribourg) | 1915/09/27 | CH |
| YERLI | Marie Félicité | F | Essert, Le Mouret (canton de Fribourg) | 1881/01/22 | CH |
| YERLI | Maxime | M | Trèves (canton de Fribourg) ? | 1877/01/22 | CH |
| YERLI | Robert | M | Lausanne (canton de Vaud) | 1919/04/15 | CH |
| YERLY | Raymond Henri | M | Lovens (canton de Fribourg) | 1882/09/13 | CH |
| YERSIN | Ami David | M | Crassier (canton de Vaud) | 1881/09/14 | CH |
| YERSIN | Louis Samuel | M | Rougemont (canton de Vaud) | 1848/10/28 | CH |
| YEZUGNAN | Mouchegh | M | Arabkir | 14/04/1903 | ARM |
| YODER | Chrétien | M | Mulhouse (Haut-Rhin) | 1867/08/05 | D |
| YODER | Jean | M | Mulhouse (Haut-Rhin) | 1869/08/24 | D |
| YON | Stephana Domenico | M | Settimo Vittone (TO - Piemont) | 1885/11/09 | I |
| YOST | Adolphe | M | Berne (canton de Berne) | 1891/02/21 | CH |
| YOST | Emilie | F | Dorlisheim (Alsace) | 1876/08/20 | Als |
| YOTTI | Albert | M | ? | 1891/08/09 | I |
| YOUSSEF | Georges | M | Alep | 1925/09/18 | SYR |
| YRION | Frédéric Michel | M | Arlesheim (canton de Bâle-Campagne) | 1880/06/24 | CH |
| YULMY | Jean Baptiste Meinrad | M | Praroman, Le Mouret (canton de Fribourg) | 1862/02/10 | CH |
| YUNGBLUTH | Joseph | M | Strasbourg (Bas-Rhin) | 1852/06/23 | D |
| YUTZET | Pierre Joseph | M | ? | 1905/12/18 | CH |
| YVOD | Dominique | M | Chianoc (TO - Piemont) | 1863/10/22 | I |
| YVOL | André | M | Chianoc (TO - Piemont) | 1874/01/15 | I |
| YVOL | Augustin | M | Chianoc (TO - Piémont) | 1883/12/04 | I |
| YVOL | Dominique | M | Chianoc (TO - Piémont) | 1875/10/23 | I |
| YVOL | Stanislas | M | Chianoc (TO - Piémont) | 1874/02/20 | I |
| YVOL | Vincent | M | Chianoc (TO - Piémont) | 1879/07/17 | I |
| YVORRA LLORET | François | M | Milliane (Algérie) | 1875/03/08 | E |