* The National Archives and Records Administration (NARA) has a database of over 4 million U.S. military veterans who served in World War 1. The database can be searched by name, rank, unit, and other criteria.
* The American Battle Monuments Commission (ABMC) maintains a list of American military personnel who died in World War 1. The list can be searched by name, rank, unit, and other criteria.
* The Library of Congress has a collection of World War 1 service records. The records can be searched by name, rank, unit, and other criteria.
Other Countries
* The Commonwealth War Graves Commission (CWGC) maintains a list of British and Commonwealth military personnel who died in World War 1. The list can be searched by name, rank, unit, and other criteria.
* The French Ministry of Defense has a database of French military personnel who served in World War 1. The database can be searched by name, rank, unit, and other criteria.
* The German War Graves Commission (Volksbund Deutsche Kriegsgräberfürsorge) maintains a list of German military personnel who died in World War 1. The list can be searched by name, rank, unit, and other criteria.