[1] The unit was organized at New Orleans, Louisiana, November 24, 1862, and remained there until May 1863.

Between May and July, the regiment was involved in the Siege of Port Hudson.

The designation was changed to 3rd Regiment, Corps d'Afrique June 6 at Port Hudson.

[2] The Confederate garrison at Port Hudson surrendered on July 9, five days after the fall of Vicksburg farther up the Mississippi River.

The regiment remained on duty in southern Louisiana for the remainder of the war and mustered out November 25, 1865.