The 1st Regiment, Connecticut Cavalry was originally organized as a battalion of four companies at West Meriden. They were mustered in November 2, 1861. The regiment was mustered out at Washington, D.C., August 2, 1865, and left that city August 3 for New Haven, Connecticut where they were discharged.
Of the twelve Congressional Medals of Honor awarded to Connecticut troops from all branches of the service four went to men of the 1st Connecticut Cavalry.
Regiment lost during service 4 Officers and 36 Enlisted men killed and mortally wounded, and 4 Officers and 149 Enlisted men by disease. Total 193.
Attached to R. R. District, Mountain Department, to April, 1862. Schenck's Brigade, Mountain Department, to June, 1862. Cavalry Brigade, 1st Army Corps, Army of Va., to September, 1862. Cavalry Brigade, 11th Army Corps, Army Potomac, to January, 1863. Defenses of Baltimore, Md. 8th Army Corps, Middle Dept., to July, 1863. Maryland Heights Division, Dept. of West Va., to October, 1863. Cavalry Brigade, 1st Division, Dept. West. Va. to January, 1864. Cavalry Reserve, 8th Army Corps, defenses of Baltimore to March, 1864. 1st Brigade, 3rd Division, Cavalry Corps, Army of the Potomac and Army of the Shenandoah, Middle Military Division, to June, 1865. Cavalry Division, Dept. of Washington to August, 1865.
Operations against guerrillas in Hardy County, W. Va., until May, 1862. Action at Moorefield, W. Va., April 3. March to relief of Milroy May 2-7. McDowell May 8. Franklin May 10-12. Strasburg May 24. Wosdensville May 28. Raid to Shaver River May 30. Strasburg June 1. New Market June 5. Harrisonburg June 7. Cross Keys June 8. Port Republic June 9. Movement down the valley to Madison C. H. June 10-July 28. Scout from Strasburg June 22-30 (Co. "B"). Scouting in vicinity of Madison C. H. until August. Pope's campaign in Northern Va. Aug. 16-Sept. 2. Provost duty during the Bull Run battles Aug. 27-30. Duty at Tennallytown, Fairfax C. H., Kalorama Heights and Hall's Farm until December. March to Fredericksburg, Va., and duty at Stafford C. H. until January, 1863. Kelly's Ford December 20-22, 1862. Moved to Baltimore, Md., and duty there, organizing as a regiment until March, 1864 (Cos. "A," "B," "C," "D" and "E"). Moved to Harper's Ferry, W. Va., July 5, 1863, and duty in that vicinity until January, 1864. Skirmish at Waterford Aug. 8, 1863 (Detachment). Berryville October 18. Expedition from Charlestown to New Market November 15-18. Operations in Hampshire and Hardy Counties, W. Va., January 27-February 7, 1864. Moorefield, February 4, 1864 (Detachment). Regimental organization completed at Baltimore January, 1864, and duty there until March. Moved to Annapolis Junction March 8, thence to Brandy Station, Va., March 15. Joined brigade March 15. Rappahannock April 1. Rapidan Campaign May-June. Craig's Meeting House May 5. Todd's Tavern May 5-6. Alsop's farm, Spottsylvania, May 8. Sheridan's raid to James River May 9-24. North Anna River May 9-10. Ground Squirrel Bridge and Yellow Tavern May 11. Brook Church or fortifications of Richmond May 12. Strawberry Hill May 12. Demonstration on Little River May 26. Line of the Totopotomoy May 28-31. Mechump's Creek and Hanover C. H. May 31. Ashland June 1. Totopotomoy and Gaines' Mills June 2. Haw's Shop June 3. Cold Harbor June 3-12. Bethesda Church June 11. Long Bridge June 12. St. Mary's Church June 15. Cold Harbor June 18. Wilson's raid on south side and Danville R. R. June 20-30. Black and White Station and Nottaway C. H. June 23. Staunton Bridge or Roanoke Station June 25. Sappony Church or Stony Creek June 28-29. Ream's Station June 29. Siege of Petersburg until August. Sheridan's Shenandoah Valley Campaign August to December. Winchester August 17. Abraham's Creek September 13. Battle of Opequan, Winchester, September 19. Near Cedarville September 20. Front Royal Pike September 21. Milford September 22. Tom's Brook, "Woodstock Races," October 8-9. Battle of Cedar Creek October 10. Cedar Creek October 13. Cedar Run Church October 17. Newtown, Cedar Creek, November 12. Rude's Hill, near Mt. Jackson, November 22. Raid to Lacy Springs December 19-22. Lacy Springs December 21. Expedition from Winchester to Moorefield, W. Va., February 4-6, 1865. Sheridan's Raid February 27-March 25. Occupation of Staunton March 2. Waynesboro March 2. Charlottesville March 3. Ashland March 15. Appomattox Campaign March 28-April 9. Dinwiddie C. H. March 30-31. Five Forks April 1. Fall of Petersburg April 2. Namozine Church April 3. Sailor's Creek April 6. Appomattox Station April 8. Appomattox C. H., April 9. Surrender of Lee and his army. Expedition to Danville April 23-29. Moved to Washington, D.C., May. Grand review May 23. Provost duty at Washington until August. Mustered out August 2, 1865.
The roster of the 1st Cavalry contains 972 names.
Company B - New Haven County.
Company C - New London County.
Company D - Fairfield County.
Company E - New Haven County.