The 9th Regiment United States Colored Troops lost 1 officer and 46 enlisted men killed or mortally wounded and 2 officers and 266 enlisted men to disease during the Civil War.

1863
November 11-30 Organized at Camp Stanton, Md.
December Duty at Benedict, Md.
1864
March 3-7 Moved to Port Royal, S.C. Duty at Hilton Head, S.C. attached to District of Hilton Head, S.C., Dept. of the South
April At Port Royal Island, S.C. Attached to District of Beaufort, S.C., Dept. of the South.
May 24-27 Ashepoo Expedition
June 30-July 10 Expedition to Johns and James Islands
July 7 and 9 Engaged
July Duty at Beaufort, S.C.
August 4-8 Moved to Bermuda Hundred, Va.
August Siege operations against Petersburg and Richmond attached to 1st Brigade, 3rd Division, 10th Corps, Army of the James, Dept. of Virginia and North Carolina
August 13-18 Demonstration on north side of James River
August 14-15 Skirmishes at Deep Bottom
August 16 Russell’s Mills
August 18 Moved to Bermuda Hundred front
August 24 To Petersburg, and duty in trenches
September 26-30 Demonstration on north side of James
September 28-30 Battle of Chaffin’s Farm, New Market Heights
September 29 Fort Gilmer
October 13 Darbytown Road
October 27-28 Battle of Fair Oaks
November-April In trenches before Richmond
December Attached to 2nd Brigade, 3rd Division, 25th Corps
1865
January Attached to 2nd Brigade, 1st Division, 25th Corps
April 3 Occupation of Richmond
April-June Duty at Richmond, Petersburg and City Point
June 7-July 1 Moved to Brazos Santiago, Texas, then to Brownsville,
July-October Duty at Brownsville and on the Rio Grande, Texas
October 2 Ordered to New Orleans, La.
1866
November 20 Mustered out