1852 - Formed from Texas
Mt. Prairie, Washita, and Bartholomew Presbyteries
1856 - Spelling changed to Ouachita Synod
Report No. 4--The committee on Overtures.
Also, a petition from certain members of the Texas Synod, praying a division of said Synod, and the constitution of a new one, to be composed of Mount Prairie, Washita, and Bartholomew Presbyteries; the Synod to be known by the name of Washita, and that the first meeting be held at Woodlawn, Washita county, Ark., on Friday before the 4th Sabbath in October next, and that Rev. J. H. Black be the first Moderator, and A. Fortenbury be his alternate.
[Source: Minutes of the Twenty-Second General Assembly of the Cumberland Presbyterian Church, 1852, page 29]
October 23, 1853 - Warren, Bradley County, Arkansas
[Source: Session Minutes of Pine Grove Cumberland Presbyterian Church, September 11, 1853]