McClain County, Oklahoma Genealogy

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United States
McClain County

Guide to McClain County, Oklahoma ancestry, genealogy and family history, birth records, marriage records, death records, census records, family history, and military records.

County Facts
County seat: Purcell
Organized: July 16, 1907
Parent County(s): Chickasaw Lands[1]
Neighboring Counties
Canadian  • Cleveland  • Garvin  • Grady  • Pontotoc  • Pottawatomie
See County Maps
Location Map

County Information


McClain County is located in central Oklahoma. Purcell served as the county seat. [2] Founded 1907.[3]

County Courthouse

McClain County Courthouse
P.O. Box 629
Purcell, Oklahoma 73080
Phone: 405.527.3360

McClain County Courthouse
PO Box 629;
Purcell, OK 73080
Phone: 405.527-3360

County Clerk has land records, military records from 1918 and school records 1912-1968[1]

McClain County, Oklahoma Record Dates

Information for this chart was taken from various sources, often containing conflicting dates. This information should be taken as a guide and should be verified by contacting the county and/or the state government agency.

Known Beginning Dates for Major County Records
Birth* Marriage Death* Court Land Probate Census
1908 1895 1903 1895 1907

Record Loss

There is no known history of courthouse disasters in this county.

Boundary Changes

Populated Places

The following are locations in McClain County, Oklahoma:[4]

  • Blanchard
  • Byars
  • Cole
  • Criner
  • Dibble
  • Goldsby
  • Newcastle
  • Payne
  • Purcell (county seat)
  • Rosedale
  • Washington
  • Wayne
  • Woody Chapel

History Timeline


Bible Records


Business, Commerce, and Occupations


Cemeteries of McClain County, Oklahoma online and in print
Tombstone Transcriptions Online
Tombstone Transcriptions in Print (Often more complete)
List of Cemeteries in the County
See Oklahoma Cemeteries for more information


Census Records

Historical populations
Census Pop.  %±
1910 15,659
1920 19,326 23.4%
1930 21,575 11.6%
1940 19,205 −11.0%
1950 14,681 −23.6%
1960 12,740 −13.2%
1970 14,157 11.1%
1980 20,291 43.3%
1990 22,795 12.3%
2000 27,740 21.7%
2010 34,506 24.4%
Source: "".

For tips on accessing McClain County, Oklahoma Genealogy census records online, see: Oklahoma Census.

Federal Census Records

Federal Censuses were taken for Oklahoma starting in 1860. For links to Federal census indexes, see Oklahoma Census.

State Census Records

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 Oklahoma denominations, view the Oklahoma Church Records Wiki page.

Court Records


Emigration and Immigration

Ethnic, Political, and Religious Groups

American Indians


Land and Property

Funeral Homes



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 Oklahoma Land and Property for additional information about early Oklahoma land grants. After land was transferred to private ownership, subsequent transactions were usually recorded at the county courthouse, where records are currently housed.

Online Land Records

For more information see Oklahoma Land and Property

Local Histories

Local histories are available for McClain County, Oklahoma Genealogy. County and town histories may include biographies, church, school and government history, and military information. For more information about local histories, see the wiki page section Oklahoma Local Histories.

Maps and Gazetteers

Canadian CountyOklahoma CountyCleveland CountyGrady CountyGarvin CountyPottawatomie CountyPontotoc CountyOK McCLAIN.PNG
About this image
Click a neighboring county
for more resources


Military Records

Revolutionary War

Civil War

World War I

World War II

Naturalization and Citizenship


Oklahoma Newspapers Online

Oklahoma Newspaper Catalogs

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


Other Records


Probate Records

In most counties in Oklahoma, probate records have been kept by the county judge. They include wills, fee books, claim registers, legacy records, inheritance records, probate ticklers, and dockets. The records are available at the county courthouse.

The FamilySearch Catalog lists films of probate records. To find the records for this county, use the Place Search for Oklahoma - McClain - Probate records.

Online Records

School Records

Tax Records

Oklahoma tax records complement land records and can be used to supplement the years between censuses. There may be gaps of several years in the records.

Vital Records

Vital Records consist of births, adoptions, marriages, divorces, and deaths recorded on registers, certificates, and documents. See the CDC Where to Write website for information on acquiring copies of these records.


Online Birth Records Indexes and Images


Online Marriage Records Indexes and Images


Online Death Records Indexes and Images


Online Divorce Records Indexes and Images

Research Facilities


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.




Mcclain County Historical And Genealogical Society
203 W. Washington Street
Purcell 73080
Telephone: 405-527-5894 or 405-701-3171
Facebook Page


  • McClain County OKGenWeb
  • USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.
  • 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

Research Guides


  1. 1.0 1.1 1.2 Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Oklahoma. At various libraries (WorldCat); FHL Book 973 D27e 2002.
  2. accessed 09/29/2016
  3.,_Oklahoma accessed 09/29/2016
  4. Wikipedia contributors, "McClain County, Oklahoma," in Wikipedia: the Free Encyclopedia,,_Oklahoma, accessed 6 August 2016.