The Genealogy Collection is the official depository of materials from the Colorado Genealogical Society, the Colorado Council of Genealogical Societies, Colorado Chapter of Palatines to America, the Colorado Chapter of the Ohio Genealogical Society, the Olibama Lopez Tushar Hispanic Heritage Research Center, and Wales, Ireland, Scotland, England Family History Society, as well as many hereditary and patriotic societies. The Genealogy Collection is primarily a U.S. research collection. The past few years have seen an emphasis on acquiring Southern, African American, American Indian, and Hispanic resources. There is a sizable number of works on Great Britain and Europe.
Statewide index of approximately 50,000 non-Denver obituaries mostly from the 1970s through 1990. Researchers may request a copy of the full-text obituary through the Western History and Genealogy Department.