Jefferson County, Colorado Genealogy
Guide to Jefferson County, Colorado ancestry, genealogy and family history, birth records, marriage records, death records, census records, family history, and military records.
- 1 County Information
- 2 Resources
- 2.1 Bible Records
- 2.2 Biographies
- 2.3 Business, Commerce, and Occupations
- 2.4 Cemeteries
- 2.5 Census Records
- 2.6 Church Records
- 2.7 Court Records
- 2.8 Directories
- 2.9 Emigration and Immigration
- 2.10 Ethnic, Political, and Religious Groups
- 2.11 Funeral Homes
- 2.12 Genealogies
- 2.13 Guardianship
- 2.14 Land and Property Records
- 2.15 Local Histories
- 2.16 Maps and Gazetteers
- 2.17 Migration
- 2.18 Military Records
- 2.19 Naturalization and Citizenship
- 2.20 Newspapers
- 2.21 Obituaries
- 2.22 Other Records
- 2.23 Periodicals
- 2.24 Probate Records
- 2.25 School Records
- 2.26 Tax Records
- 2.27 Vital Records
- 3 Research Facilities
- 4 Societies
- 5 Websites
- 6 Research Guides
- 7 References
Jefferson County, commonly referred to as the Gateway to the Rockies, is the fourth most populated county in Colorado. The county runs along the west side of the Denver Metro area along the front range. The county website can be found at Jefferson Co..
Jefferson County Courthouse
100 Jefferson County Pkwy #2530
Golden, CO 80419-2530
Jefferson County website
Jefferson County Vital Records
800 Jefferson County Parkway
Golden, CO 80419
Jefferson Co. website
Has Birth and Death Certificates
County Clerk has marriage records from 1868 and land records from 1860;
County Health Department has birth, death and burial records;
Clerk District Court has divorce records;
County Court has probate and court records
Jefferson County, Colorado Record Dates
There is no known history of courthouse disasters in this county.
The following are locations in Jefferson County, Colorado:
A chronological history timeline for Jefferson County can be found on the county website.
Business, Commerce, and Occupations
- Arvada Cemetery
5581 Independence Street
Arvada, CO 80002-2973
- Evergreen Memorial Park
26624 N. Turkey Creek Rd.
Evergreen, Colorado 80439
- Golden Cemetery
755 Ulysses St.
Golden, CO 80401 (303) 279-1435
- Golden Hill Cemetery (Jewish)
12000 West Colfax Avenue
Lakewood, CO 80215-3717
- Mount Olivet Cemetery
12801 W. 44th Avenue
Wheat Ridge, Colorado 80033
- Olinger Crown Hill Mortuary & Cemetery
7777 West 29th Avenue
Wheat Ridge, CO 80033
- Olinger Mt Lindo Cemetery
5928 South Turkey Creek Road
Morrison, CO 80465-9501
For tips on accessing Jefferson County, Colorado Genealogy census records online, see: Colorado Census.
- 1860-1940 Colorado Census Records from 1860 to 1940 at FamilySearch.org — index/images
Church records vary significantly depending on the denomination and the record keeper. They may contain information about members of the congregation, such as age, date of baptism, christening, or birth; marriage information and maiden names; and death date. For general information about Colorado denominations, view the Colorado Church Records wiki page.
Emigration and Immigration
Ethnic, Political, and Religious Groups
Land and Property Records
Land and property records can place an ancestor in a particular location, provide economic information, and reveal family relationships. Land records include: deeds, abstracts and indexes, mortgages, leases, grants and land patents.
See Colorado Land and Property for additional information about early Colorado land grants.
After land was transferred to private ownership, subsequent transactions were usually recorded at the county courthouse, where current records are also housed.
Local histories are available for Jefferson County, Colorado Genealogy. County histories may include biographies, church, school and government history, and military information. For more information about local histories, see the wiki page section Colorado Local Histories.
Maps and Gazetteers
- Interactive Formation Boundary Map of Colorado - shows boundary changes for Colorado Counties
- Colorado Historical Boundary Changes - list of all boundary changes by county provided by Newberry Library
Naturalization and Citizenship
Colorado Newspapers Online
- Colorado Online Historical Newspapers online - in the Colorado Historic Newspaper Collection by the Colorado State Library
- Colorado Newspapers at Ancestry.com - ($)
- GenealogyBank - ($), contains images of Colorado newspapers
- Newspaper Archive - ($), contains images of Colorado newspapers
- Chronicling America - contains images of some Colorado newspapers; searching tips
- Elephind - Free; search engine that retrieves newspaper images from other free newspaper websites
Colorado Newspaper Catalogs
- U.S. Newspaper Directory, 1690-Present on Chronicling America - contains a list of all known newspapers and the dates they cover; once you locate a newspaper name, contact the local library to see if they have copies of the newspaper
For more information see Colorado Newspapers.
Probate records have been kept by the county courts. Colorado probate records include bonds, affidavits, letters, claims, appraisals, fee accounts, minutes, judgments, dockets, calendars, case files, and wills. The Family History Library does not have copies of probate records from Colorado.
You may obtain copies of documents from the clerk's office in the county courthouse.
Colorado tax records complement land records and can be used as supplements to censuses. There may be gaps of several years in the records. To find tax records in the FamilySearch Catalog, do a Place Search for the county.
1913-1945 Colorado State Archives has put the Jefferson County Inheritance Tax Records Index for 1913-1945 on-line.
Vital Records consist of births, adoptions, marriages, divorces, and deaths recorded on registers, certificates, and documents. A copy or an extract of most original records can be purchased from the Vital Records Section Colorado Department of Public Health and Environment or the County Clerk's office of the county where the event occurred.
For some online statewide indexes, see the FamilySearch Historical Record Collections for Colorado.
See also the Colorado Vital Records.
Birth records may become public records when 100 years have elapsed after the date of birth. EXCEPTION: The birth record of any individual who is known to be currently alive will remain confidential even if they are 100 years of age or greater. 
For in-state births from 1903 to present, certificates can be obtained from Jefferson County Vital Statistics office. For birth certificates before 1903 contact the county where the birth occurred or the State Health Department at (303) 756-4464.
If you are obtaining a birth certificate for a sibling, parent, grandparent, etc., you will need to show chain of relationship. Examples are: A sibling could provide their birth certificate to show same parents. If you are trying to get a grandparent's birth certificate you will need to show your birth certificate, plus your parent's birth certificate to show chain of relationship. If you have questions on this please call our office at 303-271-6450.
The Jefferson County Recorder's office will search their indexes if you call or come in to the office. If a record is found, a copy can be purchased in person or by mail. Call 303-271-8121.
- 1853-2006 Colorado Statewide Marriage Index, 1853-2006 at FamilySearch.org — index/images
- 1859-1900 Colorado Marriages, 1859-1900 at Ancestry.com — index $
- 1864-1995 Colorado, County Marriages, 1864-1995 at FamilySearch — index and images
- 1900-1939 Colorado, Statewide Marriage Index, 1900-1939 at Ancestry.com — index $
Death records may become public records when 75 years have elapsed after the date of death. 
Certificates can be obtained from the Jefferson County Vital Statistics office.To obtain a recent death certificate, you must show a direct and tangible interest to the deceased. Relatives include wife, mother, father, child (if they are listed on the death certificate). If they are not listed on the death certificate they must show proof of relationship. This would include maternal grandparents, paternal grandparents, siblings if they can prove chain of relationship. If you have questions on this please call our office at 303-271-6450.
All divorces and divorce records are handled by the Jefferson County Combined Courts, Colorado Judicial District 1. Please contact their office directly at 303-271-6145 or Fax: 303-271-6188.
Jefferson County Combined Courts
100 Jefferson County Parkway
Golden CO 80401
The Colorado State Archives has the following records available for Jefferson County, Colorado Genealogy in this online database Archives Search. For a full list of online holdings, click here.
1880-1939 Divorce Index
1883-1900 Mine Accidents, Non - fatal
1936-1942 Civilian Conservation Corps Enrollments
1966-1968 Vietnam Deaths
1862-1977 Jefferson County Probates
1864-1886 Jefferson County Civil Cases
1868-1930 Jefferson County Coroner Reports
1913-1945 Jefferson County Inheritance
Family History Centers
Family History Centers provide one-on-one assistance and free access to premium genealogical websites. In addition, many centers have free how-to genealogy classes.
- Arvada Colorado Family History Center
- Columbine Colorado Family History Center (Littleton)
- Golden Colorado Family History Center
- Lakewood Colorado Family History Center
Jefferson County Public Library
10200 W 20th Ave
Lakewood, CO 80215
Phone: (303) 235-5275
Jefferson Co. Public Lib. website
List of all societies for Jefferson County can be found on their County website.
Golden Landmarks Association
14th and Washington St.
PO Box 1136
Golden, Colorado 80402-1136
- FamilySearch Catalog - The FamilySearch catalog contains descriptions and access information for all genealogical materials (including books, online materials, microfilm, microfiche, and publications) in their collection. Use Historical Records to search for specific individuals in genealogical records
- Jefferson County, Colorado Genealogy and Family History (Linkpendium)
- The Handybook for Genealogists: United States of America,10th ed. (Draper, UT: Everton Publishers, 2002).
- Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Jefferson County, Colorado. Page 99 At various libraries (WorldCat); FHL Book 973 D27e 2002.
- The Red Book, American State, County, and Town Sources. Edited by Alice Eichholz. (Ancestry, Provo; 3d ed, 2004.) Colorado article by Birdie Monk Holzclaw and Marsha Hoffman Rising. page 93.
- Letter from Colorado State Registrar, Dated September 1, 2011. Policy Number 2011- 08. http://www.colorado.gov