The 30th Massachusetts was an infantry regiment that served in the Union Army during the American Civil War.
The regiment was attached to 3rd Brigade, Department of the Gulf, to October 1862.
3rd Brigade, 1st Division, XIX Corps, Department of the Gulf, to August 1863.
1st Brigade, 1st Provisional Division, Army of the Shenandoah, to April 1865.
Sailed from Boston on steamer Constitution for Fort Monroe, Va., January 13, arriving January 16; then sailed for Ship Island, Miss., February 6, arriving there February 12, and duty there until April 15.
Operations against Forts St. Phillip and Jackson, Mississippi River, April 15–28, 1862.
Williams' Expedition to Vicksburg, Miss., and operations in that vicinity June 18-July 23.
Moved to New Orleans, then to Fort Monroe, Va., and Washington, D.C., July 2–13.
Sheridan's Shenandoah Valley Campaign August to December.
Duty at Winchester, Kernstown, and Stephenson's Depot until April 1, 1865.
Duty in 3rd Sub-District Eastern South Carolina until December.