The Archives Records Information Access System (ARIAS) is designed to facilitate citizen access to archival records created by all branches and levels of Pennsylvania State Government. Included are: PA National Guard Veteran’s Card File, 1867-1921; Civil War Veterans’ Card File; Revolutionary War Military Abstract Card File and more.

  • Genealogy
  • Adults

The Ellis Island Archive contains the passenger lists of more than 51 million immigrants, passengers, and crew members who came through Ellis Island and the Port of New York from 1892 to 1957. The period from 1892 to 1924 at Ellis Island was the largest human migration in modern history.

  • History
  • Genealogy
  • Adults

For genealogical research, with digitized images of the U.S. Federal Census from 1790 forward, the American Genealogical Biographical Index, Passenger and Immigration Lists Index, and more.

  • Genealogy
  • Databases
  • Adults
  • Seniors

America's first immigration center.  This free site offers access to an extraordinary database of information on 11 million immigrants from 1820 through 1892, the year Ellis Island opened. More than 100 million Americans can trace their ancestors to this early immigration period.

  • Genealogy
  • History
  • Adults

Cyndi's List has been a trusted genealogy research site for more than 18 years. Cyndi's List is free for everyone to use and it is meant to be your starting point when researching online.  It is a categorized & cross-referenced index to genealogical resources on the Internet.

  • Genealogy
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  • Adults

The Archives houses most of the records created by the administrative offices of the county from 1789 – 1950. It should be noted that the records that are held by the Recorder of Deeds are not under the jurisdiction of the Archives.

  • Genealogy
  • Adults

Requires you to create an account, be sure to select the FREE option. Includes the Chester Daily Times (1876-1881), Chester Evening Times (1886), Chester Reporter (1941), Chester Times (1882-1959), Delaware County Daily Times (1959-1976).

  • Genealogy
  • General Research
  • History
  • Periodicals
  • Local Interest
  • Newspapers
  • Adults
  • Kids
  • Parents
  • Seniors
  • Teens

It's all about family. FamilySearch is a nonprofit family history organization dedicated to connecting families across generations. FamilySearch believes that families bring joy and meaning to life. A service of the Church of Jesus Christ of Latter-day Saints.

  • Genealogy
  • History
  • Adults

Essential collection of genealogical & historical sources .U.S. Federal Censuses, books, bank records, and more.

  • Biography
  • Genealogy
  • History
  • Adults
  • Seniors
  • Teens

Learn how you can use the resources at the National Archives to explore your family's ancestry.

  • Genealogy
  • History
  • Adults

Explore thousands of digitized documents and photographs from unique collections in libraries across Pennsylvania. You’ll be amazed by what you find!

  • Genealogy
  • History
  • Homework Help
  • Primary Sources
  • Images
  • Adults
  • Teens

The resources below require a DCL library card when used remotely.  You can get a temporary card for the state supplied databases using the link above.

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  • Investment
  • Languages
  • Legal Resources
  • Literature
  • Local Interest
  • Medical
  • Mythology
  • Non-profits
  • Periodicals
  • Photography
  • Science
  • Social Sciences
  • Technology
  • Test Prep
  • Adults
  • Kids
  • Parents
  • Readers
  • Seniors
  • Teens

Retrieve actual images of the newspaper. Includes some issues from the 1830s, 1840s, and 1850s. Primary source material detailing the expansion of the city of Philadelphia and the development of the western suburbs.

  • Genealogy
  • History
  • Periodicals
  • Newspapers
  • Adults
  • Teens
  • Kids

Any way you slice it, these 75 top state-focused websites are must-visits for tracing your ancestors across the United States. From Family Tree Magazine.

  • Genealogy
  • Adults