Family & Local History eResources

Ancestry Library
Billions of records in census data, vital records, directories, photos, and more for genealogy research. (In-library use only.)
MyHeritage
Birth, death and marriage records from 48 countries, the complete U.S. and U.K. censuses, immigration, military, and tombstone records, and more than 2 billion family tree profiles.
Genealogy Workshops
Join professional genealogist Carol Cooke Darrow for virtual classes on how to research your family history. Offered on six Saturdays throughout the year. Check back regularly for upcoming sessions.

Westminster Archive Center
Website for the repository of historical records of the City of Westminster, including papers, photos, and artifacts. Located at College Hill Library.
Westminster History
Assembled by the Westminster Historical Society.
Westminster Historical Society
Began in 1962 to promote and preserve local Westminster history.
Westminster Historical Society Online Collections
The full catalog of the Historical Society’s collection of Westminster artifacts, including museum objects, photographs, and papers.

Adams County Historical Society and Museum
A full complex representing Adams County history, including a museum, cultural center, replica and original historic buildings, and Hoffman Hall for exhibits.
Broomfield History and Museums
History resources for the City and County of Broomfield, including information on Broomfield Depot Museum and Broomfield Veterans Museum.
Federal Heights History
Online history articles on the City of Federal Heights.
History Jeffco
The go-to organization for Jefferson County historic sites and preservation.
Northglenn Historic Preservation Commission
Main resource for the preservation of historic landmarks in the City of Northglenn.
Thornton Archives
Archives of the City of Thornton, serving as the repository of Thornton’s historic records.

Colorado Encyclopedia
A comprehensive and interactive source of reliable information on the state of Colorado, organized around six themes–origins, diversity, community, ecology, political economy, and place.
Colorado Historical Newspapers Collection
Over 600 newspapers published in Colorado from 1859-2021, including Journal-Sentinel and Westminster Journal. Maintained by Colorado State Library.
Colorado State Archives
The official archives for the State of Colorado. Collection holdings include departmental, governor, court, State Guard, and genealogical/vital records.
Denver Public Library’s Special Collections & Archive
Dedicated to sharing resources and services about African American History, Western History, Genealogy, and the Conservation Movement in the Rocky Mountain West.
History Colorado
History Colorado provides access to archival records and exhibits on Colorado state and local history.
National Archives at Denver
Repository of permanent records created by federal agencies and courts in Colorado, Montana, New Mexico, North Dakota, South Dakota, Utah, and Wyoming.
Plains to Peaks Collective
The Colorado and Wyoming Service Hub of the Digital Public Library of America (DPLA). The Plains to Peaks Collective helps libraries, archives, and museums share unique digital collections with a wider audience.