15th Connecticut Volunteer Infantry

Organized at New Haven August 25, 1862. Left State for Washington, D. C., August 28. Attached to Casey's Provisional Brigade, Military District of Washington, to October, 1862. 1st Brigade, Casey's Division, Military District Washington to December, 1862. 2nd Brigade, 3rd Division, 9th Army Corps, Army of the Potomac, to April 1863. 2nd Brigade, 2nd Division, 7th Army Corps Department of Virginia, to July, 1863. 2nd Brigade, Getty's Division, Portsmouth, Virginia, Department of Virginia and North Carolina, to January, 1864. District of the Albemarle, N. C., Dept. Virginia and North Carolina, to February, 1864. Defenses of New Berne, North Carolina, Dept. Virginia and North Carolina to January 1865. Sub-district of New Berne, Dept. of North Carolina, to March, 1865. 2nd Brigade 2nd Division, District of Beaufort, North Carolina, Dept. North Carolina, March 1865. 1st Brigade, 1st Division, District of Beaufort and District of New Berne, to June, 1865.

SERVICE-Duty in the Defenses of Washington, D. C., till September 17, 1862. At Arlington Heights, Virginia, till November 3. At Fairfax Seminary, Va., till December 1. March to Fredericksburg, Va., December 1-6. Battle of Fredericksburg December 12-15. Burnside's 2nd Campaign, "Mud March," January 20-24, 1863. Moved to Newport News, Va., February 6-9, thence to Suffolk March 13. Siege of Suffolk April 12-May 4. Edenton Road April 24. Providence Church Road, Nansemond River, May 3. Siege of Suffolk raised May 4. Reconnaissance to the Chickahominy June 9-17. Dix's Peninsula Campaign June 24-July 7. Expedition from White House to South Anna River July 1-7. Moved to Portsmouth, Va., and duty there till January, 1864. (Five Companies moved to South Mills September 20, 1863). Skirmish Harrellsville January 20, 1864. (Detachment). Moved to New Berne, North Carolina, and duty there till March, 1865. Expedition to near Kinston June 20-23, 1864. Southwest Creedk June 22. Battle of Wise's Forks March 8-10, 1865. Occupation of Kinston March 14. Provost duty at Kinston and at New Berne till June. Mustered out June 27, 1865. Discharged at New Haven July 12, 1865.

Regiment lost during service 4 Officers and 34 Enlisted men killed and mortally wounded and 5 Officers and 142 Enlisted men by disease. Total 185.