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Union County, Arkansas
Genealogy, History & Facts

Union County, Arkansas Facts

When was Union County, AR Created?
Union County was established on November 2, 1829 and was formed from Hempstead County and Clark County.

What is the County Seat of Union County, AR?
The County Seat is located in El Dorado (The first county seat was at Camden before moving to El Dorado in the 1840s) and in addition the county government website is

What counties are adjacent to Union County, AR?
Bordering Counties are Ouachita CountyCalhoun CountyBradley CountyAshley CountyMorehouse Parish, Louisiana, Union Parish, Louisiana, Claiborne Parish, Louisiana, Columbia County.

Union County, AR Vital Records

Where can find Union County Birth, marriage, Divorce and Death Records?
Union County vital records can be found at the Arkansas Deptartment of Health has Birth & Death records since February 1, 1914, Marriage Records since January 1917 and Divorce Records since January 1923. You may go to the Union County health department to obtain a Birth or Death certificates which can be issued while you wait. Please refer to the information to the Statewide Vital Records in Arkansas for current fees and application process.

You can search online for Union County BirthMarriageDivorce or Death Records. You can also order Order Electronically Online or you can download an application for copies of Union Co. Birth CertificatesMarriage CertificatesDivorce CertificatesDeath Certificates  to mail.

Union County, AR Census Records

What Union County, AR census records are available?
There are many types of census records for Union County guide you in researching your family tree. Federal Population Schedules are available for 183018401850186018701880 (free index)1890 (fragment)1900191019201930 and 1940.

Union Co. Slave Schedules can be acquired for 1850 & 1860. Union Co. Mortality Schedules can be obtained for 1850, 1860, 1870 and 1880. Union Co. Industry and Agriculture Schedules can be obtained for 1850, 1860, 1870 and 1880. Union Co. Union Veterans Schedules can be acquired for 1890. You’ll find free online and also printable census forms to help you with your research. See Also Arkansas Census Records Research Guide

Union County, AR Courthouse and Government Records

Union County Courthouse

What genealogical records can I find in the Union County Courthouse?

Researchers frequently overlook the great importance of Union County court, probate, and land records data as a useful resource of ancestry and genealogy information. Buried away in Arkansas courthouses and archives everywhere are the ambitions and frustrations of countless Arkansas residents.

The possibilities are excellent that your forefathers have left a comprehensive document of at least a number of facets of their lives in the Union County court records. Even if your forebears is not referred to in a Court case, contemplate all of the other procedures that could have lead to him or her to appear in court records. See Also Arkansas Corthouse Records Research Guide.

All County Offices Records are located in the Courthouse at 101 North Washington Street, El Dorado 71730; 870-864-1900, unless otherwise noted.

Union County, AR Societies and Family History Resources

What genealogical and historical societies, archives, museums, associations and libraries are available for Union County, AR?
A list of Union County Historical  and Genealogical Societies, Libraries, Archives. See also list of Statewide Arkansas Archives, Historical & Genealogical Societies.

  • Union County Genealogical Society, Barton Library, 200 E. 5th, El Dorado, AR 71730-3897
  • Smackover Genealogical & Historical Society, 700 N. Broadway, Smackover, AR 71762
  • Arkansas History Commission, One Capitol Mall, Little Rock, AR 72201; 501.682.6900
  • Arkansas Genealogical Society, 1411 Shady Grove Road, P.O. Box 908, Hot Springs, AR 71902-0908
  • Arkansas Historical Association, 416 Old Main, University of Arkansas, Fayetteville, AR 72701; 479-575-5884

Where can I connect with other Union County, AR Researchers through message boards and forums?

What other genealogical resources are available in Union County, AR?
The following are web links to Genealogy, Records and Resources pertaining to Union County. A lot of these genealogy links fall into 3 categories: Professional Sites, Private Sites or Organization Sites. Some have free access some have to have a cost. This is merely a list which has been compiled or submitted. I do not recommend or promote one genealogy site above another.

Union Co. AR Books, Newspapers & Publications

Union Co. AR Cemeteries & Church Records

Union Co. AR Family Websites, Pictures & Histories

Union Co. AR General and History Websites

Union Co. AR Maps, Atlases & Gazetteers

Union Co. AR Military Records