4th Regiment, Texas Cavalry
(4th Mounted Volunteers)
4th Cavalry Regiment was organized with about 1,000 men during the late summer of 1861. Its members were from Gonzales, San Antonio, Bonham, Austin, Livingston, Crockett, and Alto, and Milam and Parker counties. The unit served in the Army of New Mexico, then was assigned to Green's and Hardeman's Brigade, Trans-Mississippi Department. It saw action in numerous conflicts in Louisiana and reported 28 casualties at Cox's Plantation and 6 at Bayou Bourbeau. The unit was ordered to Hampstead, Texas, during the spring of 1865 and soon disbanded. The field officers were Colonels William P. Hardeman and James Reily, Lieutenant Colonels G. J. Hampton and William R. Scurry, and Majors Charles M. Mesueur and Henry W. Raguet.
5th Regiment, Texas Cavalry
(5th Mounted Volunteers)
5th Cavalry Regiment was formed at San Antonio, Texas, during the late summer of 1861 with about 1,000 officers and men. Most of its members were from Waco, San Antonio, Bonham, Weatherford, and Austin. After serving with the Army of New Mexico it was assigned to Green's, Hardeman's, and Debray's Brigade in the Trans-Mississippi Department. The regiment fought in Louisiana and reported 99 casualties at Cox's Plantation and 7 at Bayou Bourbeau. Later it moved to Huntsville, Texas, and disbanded before the surrender in June, 1865. The field officers were Colonels Thomas Green and Henry C. McNeill, Lieutenant Colonel Denman W. Shannon, and Majors Samuel A. Lockridge and Hugh A. McPhaill.
21st Regiment, Texas Cavalry
(1st Texas Lancers)
21st Cavalry Regiment [also called 1st Texas Lancers] was organized during the spring of 1862, with about 800 men. They were from Parker, Dallas, Bell, and Austin counties. It was assigned to Hawes', Cooper's, Steele's, and Lane's Brigade in the Trans-Mississippi Department. The unit was active in Marmaduke's Missouri Raid, then skirmished in various conflicts in Louisiana where a detachment reported 5 killed and 4 wounded at Calcasieu Pass. Later it saw action in Arkansas. The 21st disbanded before the surrender in June, 1865. Colonel George W. Carter, Lieutenant Colonel DeWitt C. Giddings, and Major Benjamin D. Chenoweth were in command.
For a complete listing of those who served in these units, please see the National Park Service Website.