Colorado Genealogy on the Internet

Online Colorado Genealogy Records

Statewide Records

Colorado Vital Records

Online Colorado Naturalization Records Indexes

Colorado Census Records & Indexes Online...
- Colorado 1870 Census Index (free)
- These 8 items are included in a U.S. genealogy records subscription at Ancestry...
- 1860 Every Name Census Index & Images Colorado (not yet a territory) is included as part of Kansas, Nebraska, New Mexico & Utah Territories (requires payment)
- 1870 Every Name Census Index & Images for Colorado Territory & All States (requires payment)
- 1880 Every Name Census Index & Images for Colorado & All States (index is free - viewing images requires payment)
- 1885 Colorado State Census Index & Images (requires payment)
- 1900 Every Name Census Index & Images for Colorado & All States (requires payment)
- 1910 Every Name Census Index & Images for Colorado & All States (requires payment)
- 1920 Every Name Census Index & Images for Colorado & All States (requires payment)
- 1930 Every Name Census Index & Images for Colorado & All States (requires payment)

Ancestry's Online Colorado Databases (requires subscription) includes...
- All 8 of the above listed census databases for Colorado 1860-1930
- Colorado Soldiers in WWI, 1917-1918
- Leadville, Colorado City Directories, 1882-1890
- Colorado Marriages, 1859-1900 (Arapahoe, Boulder & Mesa Counties)
  - Arapahoe County Marriages 1859-1901: including territory that became Adams, Denver and other counties
  - Boulder County Marriages, 27 June 1864-1900
  - Mesa County Marriages 1883-1900
- Denver Land Office Records, 1862-1908
- Navajo Springs, Colorado Ute Census, 1904-1908

Military Records...
- Colorado Veterans' Grave Registrations 1862-1949
- Veterans Affairs Burial Search (includes Fort Logan National Cemetery in Denver & Fort Lyon National Cemetery in Fort Lyon)
- Also See... Online Military Indexes, Records & Rosters of Soldiers

Colorado Unclaimed Property Database

Colorado Genealogy Data Files from the Denver Public Library

Colorado Genealogy Records by County

Colorado Historical Records Index includes...
- Boulder County Birth Index 1892-1906
- Denver (City) Birth Index 1875-1906
- Elbert County Birth Index 1869-1906
- Kit Carson County Birth Report Register 1892-1907
- Also has probate records, wills, military indexes, marriage & divorce records, and more for assorted Colorado counties

Arapahoe County (also see the Denver section below)
- Arapahoe County (Includes City of Denver) Marriages 1861-1868
- Arapahoe County, Colorado Marriage Index 1940-1965 also has other indexes
- 1885 Colorado State Census - Arapahoe County includes the present Denver, Arapahoe and Adams counties
- Arapaphoe County Voter Registrations 1893-1905
- Arapahoe County Hospital Records 1895-1899 (this hospital was later called Denver General Hospital; today it is Denver Health Medical Center)
Boulder County Marriages 1860-1900
Clear Creek County Online Records includes Marriage Licenses 1882-1905
Clear Creek Pioneers Index
Denver City & County Records also see Arapahoe County above
- Online Denver Property Records Data
- Denver Public Library: Creating Communities - Building Histories includes...
  - Sanborn Historical Insurance Maps
  - Denver City Directories and Householder Directories (for assorted years 1873-1937)
  - Denver Assesor Records (indexes for City of Denver Grantor/Grantee information, late 1800s-1950s)
- Denver City Directories (includes the 1876 city directory and parts of others)
- 1887 Denver City Directory (PDF files)
- Highlights of the 1866 City of Denver Business Directory
- 1866 History of Denver with Business Directory online transcription
Douglas County Marriage Search 1874-current
El Paso County: Colorado Springs City Directories, 1879-1922
Foothills Genealogical Society Online Databases (for Clear Creek, Gilpin, Jefferson & Park Counties) includes obituaries, World War One draft cards, census records & naturalization records
Gilpin County Marriage Index 1864-1944
Grand County Marriage Index 1874-1974
La Plata County Marriage Records Index 1877-1959
Larimer County...
- Larimer County and Fort Collins City Directories 1902-2005 (not all years included)
- Larimer County: Fort Collins Public Library History Connection Search Engine
Ouray County Marriage License Index 1877-2010
Pitkin County Marriage Records 1882-1930

Ordering Vital Records

Obtaining Colorado Birth, Marriage, Divorce & Death Records by Mail (fees and restrictions apply)

Archives, Libraries, Societies and Miscellaneous

For information on the Denver Public Library, Colorado State Archives, Denver National Archives Branch & Denver Area Family History Centers see: Denver Area & Colorado Genealogy Resources
Fort Collins Public Library Local History Archive
Bemis Public Library Genealogy (Littleton, Colorado) - genealogy information page
National Society of Hispanic Genealogy located in Colorado
Colorado Adoption Search & Reunion Resources [on this website]

Nearby (New Mexico)...

New Mexico Genealogy Resources

More Online Genealogy Records and Databases

Online Genealogy Records and Resources vital records, ship passenger lists, military records, naturalization indexes and more

Online Genealogy Records and Resources