Colorado Genealogy on the Internet

Places to Find Colorado Genealogy Records and Resources Online

Online Colorado Genealogy Records and Indexes

Statewide Records
  • 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 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 Genealogy Records by County
  • Colorado, Select County Marriages at Ancestry/requires payment; for Denver County (1950-2017), El Paso County/Colorado Springs (1863-2018) and Mesa County/Grand Junction (1883-2018)
  • 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)
Ordering Vital Records Archives, Libraries, Societies and Miscellaneous Nearby (New Mexico)... More Online Genealogy Records and Databases

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