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World War I: Genealogical Sources

Resources for history and genealogy

Sources for Records

Genealogical Guides

The United States entered the World War in April 1917. Over 4.7 million men and women served in the regular U.S. forces, national guard units, and draft units. Military deaths: there were 53,402 killed in action, 63,114 deaths from disease and other causes, and about 205,000 wounded.


Find in library catalogs:

World War, 1914-1918 -- Archival resources

"World War I" genealogy

Local Resources

Libraries, archives, and historical societies often feature local aspects in webpages and blogs.

Note: local records may also be in Ancestry or Familysearch.

Genealogy Resources at the University of Delaware Library

Although not aimed at genealogy and family history, the collections of the University of Delaware Library (Morris Library) include materials useful to genealogists and family historians.

This Genealogy Research Guide is provided as a service for genealogists. It presents topics and resources to assist researchers.

The UD Library does not specialize in genealogy and does not have staff responsible for genealogy. Library staff cannot conduct research.

For questions about library resources and holdings, use the Ask the Library service.

For questions about getting research assistance, see the suggestions on the home page of this guide or on the topic/resources pages.

Resources for Other Countries