The 5th West Virginia Infantry Regiment was organized at Ceredo, West Virginia, beginning on September 3, 1861, and mustered in on October 18, 1861. Originally mustered into service as the 5th Virginia Regiment of the Union Army, it became the 5th West Virginia when West Virginia was designated a distinct state. Organized in southwestern West Virginia, the majority of men were recruited from southern Ohio and eastern Kentucky, with many others from Wayne County, West Virginia. Lawrence County, Ohio, alone provided 419 men to the regiment. Served Unattached, District of the Kanawha, West Virginia, to March, 1862. District of Cumberland, Md., Mountain Department, to April, 1862. Milroy's Independent Brigade, Mountain Department, to June, 1862. Milroy's Independent Brigade, 1st Army Corps, Army of Virginia, to September, 1862. Under Milroy, the 5th Virginia (later to be designated the 5th West Virginia) fought at the Battle of McDowell, May 8, 1862 and the Battle of Cross Keys on June 8, 1862, with the regiment under the command of Col John L. Ziegler. Defenses of Washington, D.C., to October, 1862. District of the Kanawha, West Virginia, Dept. Ohio, to January, 1863. Unattached, District of the Kanawha, West Virginia, to March, 1863. 1st Brigade, 3rd Division, 8th Army Corps, Middle Department, to June, 1863. 1st Brigade, Scammon's Division, Dept. of West Virginia, to December, 1863. 1st Brigade, 3rd Division, West Virginia, to April, 1864. 1st Brigade, 2nd Infantry Division, West Virginia, to November, 1864.