Organized at New Orleans, La., November 6, 1862. Attached to Independent Command, Dept. of the Gulf, to January, 1863. Defences of New Orleans to May, 1863. Cavalry, 19th Army Corps, Dept. of the Gulf, to July, 1863. Defences of New Orleans to October, 1863. Unattached Cavalry, 13th Army Corps, Dept. of the Gulf, to June, 1864. Cavalry Brigade, United States Forces, Texas, to July, 1864. District of Morganza, La., Dept. of the Gulf, to August, 1864. Cavalry Brigade, 19th Corps, Dept. of the Gulf, to November, 1864. 2nd Separate Cavalry Brigade, 19th Corps, Dept. of the Gulf, to December, 1864. Separate Cavalry Brigade, Reserve Corps, Dept. of the Gulf, to February, 1865. Cavalry Brigade, District of Baton Rouge, La., to July, 1865. Dept. of Texas to November, 1865.

SERVICE:
Duty in the Defences of New Orleans, La., till September, 1863. Sabine Pass Expedition September 4-11. Western Louisiana ("Teche") Campaign October 3-17. Nelson's Bridge, near New Iberia, October 4. Vermillion Bayou October 9-10. Carrion Crow Bayou October 14-15. Ordered to New Orleans, La., October 17. Expedition to the Rio Grande, Texas, October 23-December 2. Occupation of Brazos Santiago November 2, and of Brownsville November 6 Duty at Brownsville and on line of the Rio Grande till July, 1864. Rancho las Rinas June 26, 1864 (Cos. "A" and "C"). Ordered to New Orleans July, thence to Morganza, La., August 6, and duty there till November. (A Detachment remained in Texas at Brownsville till January, 1865. Participated in skirmish at Palmetto Ranch September 6, 1864. Ordered to join Regiment at Baton Rouge, La., January 27, 1865.) Operations about Morganza September 16-25, 1864. Williamsport September 16. Atchafalaya River September 17. Bayou Alabama and Morgan's Ferry September 20. Ordered to Baton Rouge November 19. Davidson's Expedition against Mobile & Ohio Railroad November 27-December 13. Ordered to Lakeport December 17. United States Forces at mouth of White River and at Baton Rouge, La., till May, 1865. Expedition to Clinton and the Comite River March 30-April 2, 1865. Ordered to Vidalia, District of Natchez, Miss., May 23, 1865, and duty there till June 29. Ordered to Military District of the Southwest and duty in Texas till November. Mustered out November 4, 1864.