Monday, 11 a.m. - 7 p.m.
Tuesday, 9 a.m. - 1 p.m.
Wednesday, Closed
Thursday, 9 a.m. - 1 p.m.
Friday, 9 a.m. - 5 p.m.
Open third Saturday of the month (except December)

Closed major holidays - click here for the Society's Calendar of Events including open research Saturdays.


Collecting and preserving Delaware materials for over 150 years, the Society has a rich and varied collection of books, ephemera, newspapers, serials, maps, manuscripts and photographs relating to the history of Delaware and its people. The Society's online catalog includes books, rare books, pamphlets, newspapers, maps, manuscripts, and photograph collections.  Click here for a brief listing of our Library Collections.

Visitors are welcome to use the library free of charge, but there are fees for photocopies, use of digital cameras, etc.

The library also holds a strong collection of materials for individuals doing genealogical research.  For more information on genealogy at the Society, please see Delaware Genealogy: A Guide to Research at the Delaware Historical Society

Would you like to be a library volunteer?

505 N. Market Street, Wilmington, Delaware 19801 - Specific directions and parking

(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
© Delaware Historical Society 2020. All rights reserved.
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.