6th Cavalry Regiment [also called 2nd Regiment] was organized with 1,150 men at Dallas, Texas, in September, 1861. Many of the men were from Dallas, McKinney, Waco, Austin, and Lancaster, and Bell County. The unit skirmished in the Indian Territory, fought at Elkhorn Tavern, then moved wast of the Mississippi River.

6th Cavalry Regiment [also called Southwest Cavalry] was formed during the late spring of 1862. Many of its members were form the counties of Barry, Newton, McDonald, Jasper, and Lawrence. The unit skirmished in the Indian Territory and Missouri, then was assigned to General Shelby's Brigade, Trans-Mississippi Department.

The 6th Cavalry ("Fighting Sixth'") is a regiment of the United States Army that began as a regiment of cavalry in the American Civil War. It currently is organized into aviation squadrons that are assigned to several different combat aviation brigades.

6th Cavalry Regiment was organized during the summer of 1862 with men from the central and eastern section of Kentucky. It was mustered into Confederate service in September. For a time the unit skirmished in Kentucky attached to Buford's Brigade, then it fought with J.H. Morgan.