Adams County, Colorado Genealogy

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This article is about a northeast Colorado county. For other uses, see Adams.

United StatesGotoarrow.pngColoradoGotoarrow.pngAdams County

Guide to Adams County Colorado genealogy. Birth records, marriage records, death records, census records, family history, and military records.

Hand and keyboard.jpg Colorado
Online Records

Adams County, Colorado
Map of Colorado highlighting Adams County
Location in the state of Colorado
Map of the U.S. highlighting Colorado
Location of Colorado in the U.S.
Founded April 15, 1901
County Seat Brighton
Address Adams County Courthouse
450 S 4th Avenue
Brighton, CO 80901-3196
Phone 303.654.6020
Adams County Website

County Courthouse

County Clerk has marriage and land records from 1902,
some burial records, some land records from Arapahoe
County prior to 1901, school census 1902-1964 and military
discharge records, 17th Judicial District Court Clerk has divorce records;
Probate Court has probate records; Hall of Justice has court records [1]

Historical Facts

Beginning dates for major county records

*For earlier dates, try... Church | Obituaries | Cemeteries

County Seat

Brighton [2]

Parent County

15 April 1901: Adams County was created from Arapahoe County.

Neighboring Counties

Record Loss

Boundary Changes

Record Loss


Bible Records


Business Records and Commerce


Belleview Cemetery, Westminister BillionGraves
Bennett Cemetery
Black Cemetery
Eastlawn Memorial Gardens
Elmwood Cemetery
Fairview Cemetery
Highland Memorial Gardens
Mount Nebo Cemetery
Riverside Cemetery, Commerce City BillionGraves
Rose Hill Cemetery
Wesley Chapel Cemetery
Woolsey Cemetery


For tips on accessing Adams County, Colorado Genealogy census records online, see: Colorado Census.

Church Records

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.

Court Records

Adams County Old Age Pension Records 1933 - 1936. An Index compiled from the offical record of the applications granted by the Adams County Commissioners during these years. Record may show the following:

  • Name of Applicant
  • Date and Amount of pension payment
  • Any adjustments to the pension
  • Person's age
  • Town nearest to where they lived
  • Other Actions done by the County


Emigration and Immigration

Ethnic, Political, or Religious Groups




Local History

Template:CO History Intro

Land and Property

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.


Ancestry maps - Top cities by ethnic group

Historic maps of CO cities - Library of Congress
Historic maps of Colorado

Adams County Maps  Adams County, Colorado


American Battle Monuments Commission - Overseas cemeteries
Civil War Soldiers & Sailors database
Military records - National Archives
Nationwide grave locator - U.S. Dept. of Veterans Affairs
Search military records (historic)

Naturalization and Citizenship


Additional newspapers abstracts can sometimes be found using search phrases such as Adams County, Colorado Genealogy newspapers in online catalogs like:

Aurora Sentinel




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.

Public Records

School Records

Colorado State Archives has put an index of the Adams County teachers who were approved to teach in the county by the County Superintendent of Schools for the years 1913-1935 on-line. This list shows their name and may include the date, type of teaching certificate they possess and the town of residence.


Archives and Libraries
Family History Centers
  • Aurora Family History Center
    950 Laredo St
    Aurora, CO 80011
  • Brighton Genealogy Society
    343 S. 21st Street
    Brighton, CO 80601-2525
  • Adams County Historical Society
    9601 Henderson Rd.
    Brighton, CO 80601
    Telephone 303-659-7103


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.

Colorado State Archives has put the Adams County Inheritance Tax Record Index for the years 1929-1943 on-line. Read more.

Vital Records

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.

Colorado Vital Records Search


The Colorado State Archives has put a name only Index to the Adams County Divorce Records for the period 1904-1913 on-line.


Populated Places

Aurora (city)
Bennett (town)
Brighton (city)
Commerce City (city)
Federal Heights (city)
Northglenn (city)
Thornton (city)
Westminster (city)

Web Sites


  1. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Adams County, Colorado. Page 97At various libraries (WorldCat); FHL Book 973 D27e 2002.
  2. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).