Organized at New Orleans, La., November 25, 1863, as 3rd Louisiana Infantry. Attached to Defences of New Orleans, Dept. of the Gulf.

SERVICE-Duty in the Defences of New Orleans, La., at Brashear City, Baton Rouge and Port Hudson, La., till September, 1864. Skirmish at Spanish Hill, La., April 2, 1864. Bayou Boeuf May 7. Wilson's Landing May 14. Expedition to Clinton August 23-29. Skirmishes at Olive Branch, Comite River and Clinton August 25. Consolidated with 1st Louisiana Cavalry September 7, 1864.