On 17 December 1861, the Sumter Regiment was accepted into state service at New Orleans.

On 1 March 1862, the militia regiment transferred to Confederate service for a 90-day enlistment.

The regiment fought at Baton Rouge before being assigned to garrison Port Hudson.

The men fought at Spanish Fort in March and April 1865, and surrendered in May 1865.

This article about a specific military unit of the American Civil War is a stub.