Genealogy Resources

Getting better acquainted with your ancestors? Piecing together family mysteries? We can help! Here are some resources to help you get started.

If you would like one-on-one assistance, feel free to sign up for an Ask a Librarian appointment at one of our libraries.

Online Genealogy Resources (at library)

The library edition of the popular genealogy service features billions of records from the United States, United Kingdom, Canada, Europe and Australia. Search census records, the Social Security Death Index, as well as military and immigration records. This resource is only available within a library - visit one of our branches for access.

Rootsweb Charts and Forms

Get started with genealogy by downloading Ancestral Charts and Family Group Sheets to keep track of family lines.

Find a Grave

Search millions of cemetery records on this crowd-sourced website.

Nationwide Gravesite Locator

Search for the grave sites of veterans and their families (contains mostly post-1960s records, but there are some older records).

Ellis Island Archive Passenger Records Database

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. Create a free account to search and access records.


Create a free online family tree and search a huge collection of free genealogy records.

Denver Public Library's Genealogy Resources

If you have a Denver Public Library card, you can access their resources including genealogy databases and local and country-wide obituaries.

Cyndi's List

An extensive compilation of links to genealogy resources on a variety of topics.

Genealogy Magazines and Newsletters

Family Tree Magazine

  • Available at Castlewood Library, Koelbel Library and Smoky Hill Library

Colorado Genealogist

  • Quarterly journal published by the Colorado Genealogical Society
  • Recent issues available at Smoky Hill Library
  • In-library use only

Colorado Genealogy Society (CGS) Newsletter

Your Family Tree presents: Get started in Military Family History

  • 196 pages of expert advice for tracing your military ancestors. Find service records, identify medals, discover war diaries, locate memorabilia, Army, Navy and RAF.
  • Single issue published in 2013
  • Available in RBdigital Magazines (formerly Zinio)

Looking for Obituaries?

Colorado Historic Newspaper CollectionA database of almost a million digitized pages from more than 200 individual newspaper titles published in Colorado primarily from 1859 to 1923.

Denver Obituary Project from Denver Public Library. An index of Denver obituaries from 1922 to 2014.

Colorado Obituary Project from Colorado Genealogical Society. An index of non-Denver obituaries from Colorado from 1969 to 1990. Obituaries can be requested through Denver Public Library.

Denver Public Library’s Guide to Obituaries, Cemeteries & the DeadAn in-depth guide with links to resources to help you locate Colorado death records and obituaries.

Note: If you are looking for obituaries from outside Colorado, try (above), and contact the largest library near where your ancestor passed away.

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