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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. Parts of Union County was used to form the following counties: Ashley 1848, Bradley 1840, Calhoun 1850, Columbia 1852, Ouachita 1842. Other county boundry changes occured when Boundaries defined 5 November 1836, line with Lafayette defined 26 November 1846, line with Ouachita changed 6 January 1853, part annexed to Columbia 21 December 1851, and part annexed to Calhoun 19 October 1862. The county was named for the concept of the union of the states.

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 County (northwest), Calhoun County (north), Bradley County (northeast), Ashley County (east), Morehouse Parish, Louisiana (southeast), Union Parish, Louisiana (south), Claiborne Parish, Louisiana (southwest), Columbia County (west).

What cities and towns are in Union County, AR?
Cities and towns located in the County include Calion, El Dorado, Felsenthal, Huttig, Junction City, Mount Holly, Norphlet, Smackover, Strong.

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 Birth, Marriage, Divorce 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 1830, 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930 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?
The below facts shows exactly what death, marriage, birth, property, wills, and court records are typically in Union County. The years listed below are the first noted records with this county. 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 Clerk of Circuit Court is the clerk of the circuit, chancery court, and juvenile court and usually acts as the ex-officio recorder of Union county. The duties of the clerk are to maintain a record of all proceedings of the circuit, chancery and juvenile courts and to prepare the dockets for courts in Union County. They are also the ex-officio Union county recorder; and is responsible for recording deeds, mortgages, liens, and surety bonds, and many other orders and instruments which involve property within Union county.
    • Phone: (870) 864-1920
    • Court Records: 1839
    • Land Records: 1830
    • Divorce Records: are maintained among the equity records (Divorces issued prior to 1950 are located here. Divorces issued after 1950 can be found  at the Arkansas Department of Public Health)
  • Union County Clerk, as clerk to the probate court, the clerk files all instruments making them a matter of record in descendent estate cases, and swears in all witnesses in contested estates. The clerk, also in this capacity, maintains all records relative to adoptions and guardianship cases within Union county.
    • Phone: (870) 864-1910
    • Marriage Records: 1847 
    • Probate Records: 1830
  • Union County Assessor's Office maintains County tax records. These records are usually arranged by legal description and are not indexed.
    • Phone: (870) 864-1940
  • BLM Land Records

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

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