The 9th Connecticut Volunteer Infantry Regiment lost 10 enlisted men killed or mortally wounded and 3 officers and 240 enlisted men to disease during the Civil War.

September 26 Organized at New Haven
November 4 Moved to Lowell, Mass. then to Boston
November 25 Embarked on steamer Constitutionfor Ship Island, Mississippi.
December 3 Arrived Ship Island, Miss. and duty there
April 2-5 Expedition to Biloxi and Pass Christian
April 3 Biloxi
April 4 Pass Christian
April 15 Attached to Butler’s New Orleans Expeditionary Corps. Assigned to Phelps’ 1st Brigade, Dept. of the Gulf
April 15-28 Operations against Forts St. Phillip and Jackson, Miss. River
April 29-May 1 Moved to New Orleans
May 1 Occupation of New Orleans
May 9-10 Expedition to New Orleans and Jackson R. R.
May 13 Moved to Baton Rouge
May 14-29 Reconnaissance to Warrenton
June 20-July 23 Williams’ expedition to Vicksburg, Miss., and operations against that city
June 22 Ellis Cliff
June 24 Hamilton Plantation, near Grand Gulf
June 25 Arrived at Vicksburg
July Fatigue duty on Vicksburg Canal
July 23-26 Moved to Baton Rouge
August 5 Battle of Baton Rouge
August 21-22 Moved to Carrollton
September 7-8 Expedition to St. Charles
September 8 Near St. Charles Court House
September Duty in the defenses of New Orleans, Dept. of the Gulf
October 19 At New Orleans, Algiers, Mexican Gulf R. R. and mouth of the Mississippi and at Pass Manchac, Bonnet Carte, St. John Baptist District
February Assigned to 1st Brigade, 3rd Division, 19th Army Corps, Dept. of the Gulf
March Assigned to 2nd Brigade, 2nd Division, 19th Corps
March 21-30 Expedition to Ponchatoula (Detachment)
March 24 Capture of Ponchatoula (Detachment)
June 24 Action at Chackahoola Station, La. (Cos. C, E, G, I and K)
August Assigned to 2nd Brigade, 4th Division, 19th Corps
January 3 Expedition to Madisonville
February Attached to 1st Brigade, 2nd Division, 19th Corps
April 15-July 16 On veteran furlough in Connecticut
July 16-20 Moved to Bermuda Hundred, Va.and attached to Bermuda Hundred, Va., 10th Corps, Dept. Virginia and North Carolina
July 20-28 On Bermuda Hundred front
July 28-29 Deep Bottom
July 30-August 1 Moved to Washington, D.C.
August 1 To Tenallytown
August Sheridan’s Shenandoah Valley Campaign, attached to 1st Brigade, 2nd Division, 19th Army Corps, Army of the Shenandoah, Middle Military Division
September 19
Battle of Third Winchester (Opequan)
September 22
Battle of Fisher’s Hill
October 19
Battle of Cedar Creek
October-January Duty in the Shenandoah Valley
January 6-20 Moved to Savannah, Ga. and attached to 1st Brigade, Grover’s Division, District of Savannah, Ga., Dept. of the South
March Attached to 1st Brigade, 1st Division, 10th Army Corps, Dept. of North Carolina
May 24 Moved to Hilton, S.C. and attached to District of Port Royal, S.C., Dept. of the South
August 3 Mustered out at Savannah, Ga.