Colorado Genealogy on the Internet

Online Colorado Genealogy Records and Indexes

Statewide Records

Colorado Vital Records
- Death Records Indexes...
  - Online Colorado Death Records Indexes, Cemetery Burials, Probate Indexes and Obituaries
- Marriage and Divorce Records Indexes...
  - Colorado, Select County Marriages at Ancestry/requires payment; for Denver County (1950-2017), El Paso County/Colorado Springs (1863-2018), Jefferson County (c. 1860-1981), Mesa County/Grand Junction (1883-2018), and Pitkin County/Aspen (1882-2018)
  - Colorado Marriage Records Index, 1858-1939 PDF; from the Denver Public Library
  - Colorado Statewide Marriage Index, 1853-2006 at FamilySearch coverage may vary by county; not complete
  - Colorado Divorce Index, 1861-1941 PDF; from the Denver Public Library
  - Colorado Divorce Index, 1851-1985 at Ancestry/requires payment
  - Colorado Statewide Divorce Index, 1900-1939 from FamilySearch
  - Colorado Divorce Records Index, 1880-1939: see the Colorado State Archives Historical Records Index Search below

Colorado Naturalization Records
- Online Colorado Naturalization Records Indexes

Colorado Census Records and Indexes Online...
- Colorado 1870 Census Index: see the Colorado State Archives Historical Records Index Search below (free)
- 1880 Census Index and Images at Ancestry for Colorado and All States (index is free - viewing images requires payment)
- Colorado 1885 State Census Images and Index at FamilySearch (free with registration)
- 1940 U.S. Census Records and Index at Ancestry for Colorado and all states (free with registration)
- 1940 Census Images and Index at FamilySearch includes Colorado and all states (free with registration)
- Also see the next section...

Colorado Genealogy Records at Ancestry (requires fee-based subscription) includes...
- Colorado Census Records 1860-1940:
  - 1860 Census Index and Images Colorado (not yet a territory) is included as part of Kansas, Nebraska, New Mexico and Utah Territories (requires payment)
  - 1870, 1880, 1900, 1910, 1920, 1930 and 1940 Census Indexes with Scanned Images of the Census Records
  - 1885 Colorado State Census Index and Images

Colorado Military Records...
- Colorado Veterans' Grave Registrations, 1862-1949
- Colorado Soldiers in WWI, 1917-1918 (at Ancestry/requires payment)
- Veterans Affairs Burial Search (includes Fort Logan National Cemetery in Denver and Fort Lyon National Cemetery in Fort Lyon)
- Also See... Online Military Indexes, Records and Rosters of Soldiers

Colorado State Archives Historical Records Index Search includes...
- Colorado Divorce Records Index, 1880-1939 (Note: some divorce records are indexed under "court case," some under "divorce" as record type)
- Colorado 1870 Census Index
- Colorado Veterans' Grave Registrations, 1862-1949
- Arapahoe County (Includes City of Denver) Marriages, 1861-1868
- Arapahoe 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 Birth Index, 1892-1906
- Denver (City) Birth Index, 1875-1906
- Highlights of the 1866 City of Denver Business Directory
- Elbert County Birth Index, 1869-1906
- Gilpin County Marriage Index, 1864-1944
- Kit Carson County Birth Report Register, 1892-1907
- Also indexes probate records, wills, military records, marriage and divorce records, and other items for some Colorado counties

Colorado Unclaimed Property Database

Colorado Genealogy Records by County

Colorado, Select County Marriages at Ancestry/requires payment; for Denver County (1950-2017), El Paso County/Colorado Springs (1863-2018), Jefferson County (c. 1860-1981), Mesa County/Grand Junction (1883-2018), and Pitkin County/Aspen (1882-2018)
Colorado Marriages, 1859-1900 (Arapahoe, Boulder and Mesa Counties) at Ancestry/requires payment; includes...
- 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
Colorado, County Marriage Records and State Index, 1862-2006 at Ancestry/requires payment; includes images of the index cards for the state index (coverage may vary by county, index appears to end in the 1930s); the county marriage records include these counties: Clear Creek, Fremont, Kit Carson, Logan, Moffat, Phillips, Saguache, Sedgwick, Washington, and Yuma -- coverage varies by county (most are for c. mid 1800s-c. 1950s)

Adams County Marriage License Search
Adams County, Colorado, Marriage License Index, 1960-2010 at Ancestry/free to search
Arapahoe County...
- Arapahoe County (also see the Denver section below)
- Arapahoe County Marriage License Search
- 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
- Arapahoe County Marriages Index, 1861-1868; Voter Registrations, 1893-1905; and Hospital Records Index, 1895-1899: see the Colorado State Archives Historical Records Index Search above
Boulder County...
- Boulder County: Search Public Records - Recording Division includes marriage licenses
- Boulder County Marriages, 1860-1900
- Boulder County Marriage Index, 1980-2001
Clear Creek Pioneers Index
Colorado Springs: see El Paso County below
Denver City and County Records also see Arapahoe County above
- Denver Office of the Clerk and Recorder - Search Records Online includes marriage licenses, marriage indexes, property records, and other items
- Denver Marriage Records Index, 1940-1974 from the Denver Public Library
- Online Denver Property Records Data
- Denver Public Library: Research Tools A-Z includes...
  - Sanborn Historical Insurance Maps
  - Denver City Directories and Householder Directories (for assorted years 1873-1937)
  - Denver City Directories at the Denver Public Library for assorted years beginning with 1873
  - Denver Assesor Records (indexes for City of Denver Grantor/Grantee information, late 1800s-1950s)
- Denver City Directories Online...
  - Denver City Directories (includes the 1876 city directory and parts of others)
  - Highlights of the 1866 City of Denver Business Directory: see the Colorado State Archives Historical Records Index Search above
  - 1866 History of Denver with Business Directory online transcription
  - Also see the Denver Public Library link above
- Denver Land Office Records, 1862-1908 (at Ancestry/requires payment)
- Archdiocese of Denver Digital Repository includes the Denver Catholic Register, some yearbooks and other items
Douglas County Marriage Search, 1874-current
Douglas County Marriage Index, 1800-2000
El Paso County and Colorado Springs...
- El Paso County Marriage Licenses and Marriage/Civil Union Records Index Search for Marriage Licenses, 1940 to 4/30/1991; and Marriage/Civil Union Records, 5/1/1991 to current
- El Paso County: Colorado Springs City Directories (assorted years)
Foothills Genealogical Society Online Databases (for Clear Creek, Gilpin, Jefferson and Park Counties) includes obituaries, World War One draft cards, census records and naturalization records
Gilpin County Marriage Index, 1864-1944: see the Colorado State Archives Historical Records Index Search above
Grand County Official Records Search includes marriages
Grand County Marriage Index, 1874-1974 at FamilySearch (free with registration)
Grand Junction - see Mesa County below
Jefferson County Clerk and Recorder - Records Index Search indexes marriage and civil union applications
La Plata County Marriage Records Index, 1877-1959
Lake County: Leadville, Colorado City Directories, 1882-1890 (at Ancestry/requires payment)
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
- Larimer County Genealogy Databases includes indexes for cemetery burials, marriages, divorces, and other items
Mesa County, Colorado Marriage Index, 1883-2010 (at Ancestry/requires payment)
Mesa County Clerk and Recorder - Search Recorded Documents includes marriages
Ouray County Marriage License Index, 1877-2012
Pitkin County Genealogy Indexes includes marriage records, 1882-1930; census records; cemetery burials; and more

Ordering Vital Records

Information for Ordering Colorado Birth, Marriage, Divorce and Death Records (fees and restrictions apply)

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

Places to Find Colorado Genealogy Records and Resources Online