Historical Notes:
The Mississippi 4th U.S. Infantry Regiment was organized December 11, 1863 - January 11, 1864, as 4th Mississippi Infantry (African Descent). It was redesignated as the 66th Regiment U.S. Colored Troops.
Regimental and Company Books of the 66th U.S. Colored Troops Infantry Regiment are available at the National Archives, but are not currently on line.
The regiment mustered out March 20, 1866.
Service:
Post and garrison duty at Goodrich Landing and at Lake Providence, La., till February, 1865. Actions at Issaqueena County March 22, 1864. Goodrich Landing March 24. Bayou Mason July 2. Issaqueena County July 10. Goodrich Landing July 16. Bayou Tensas July 30. Issaqueena County August 17. Bayou Tensas August 26. Post and garrison duty at Little Rock, Ark., till March, 1865, and at Vicksburg, Miss., and in the Dept. of Mississippi till March, 1866. Mustered out March 20, 1866.
Assignments:
March 11, 1864, Attached to Post of Goodrich Landing, District of Vicksburg, Mississippi, Depts. of the Tennessee and Mississippi, to February, 1865.
Rosters:
The roster of this unit contains the names of 1106 men.
Bibliography for Research: