The Delaware Historical Society holds rich, varied, and ever-growing collections of objects, published materials, images, maps, and manuscripts relating to Delaware history and genealogy, dating from earliest settlements to the present.  The collections include materials relating to all Delawareans:

- Male and female
- Rich, poor, and in-between
- New Castle, Kent, and Sussex counties
- All ethnic, racial, and religious groups

For information on donating materials to the collections, please click here

All materials are available to the public for research. 

Ask Caesar

Begin your search by visiting
Ask Caesar
the Society’s online catalog.


Take a peek into our collection - click here to view A few of our favorite things!

For Delaware genealogy, begin by visiting Delaware Genealogy: A Guide to Research at the Delaware Historical Society

Researchers may visit the Christopher Ward Reading Room of the Research Library during regular hours without appointment.  Click here for information on the library’s location and hours.  Click here for the library regulations

Access to items in the object collection that are not on exhibit is by appointment.  Contact the Curator of Objects at to make arrangements.

If you have a specific research request and cannot find the information you need online, please contact or call 302-655-7161.

Delaware History Museum   |  Mitchell Center for African American Heritage   |   Old Town Hall   |   Research Library   |   Willingtown Square    |   Read House & Gardens  

(302) 655-7161
505 N. Market Street, Wilmington, DE 19801
copyright 2018

The Delaware Historical Society is the statewide, non-profit organization that explores, preserves, shares, and promotes Delaware history, heritage, and culture to strengthen our community.