The 4th West Virginia Cavalry Regiment lost 30 men to disease during the Civil War.

1863
July and August Organized at Parkersburg and Wheeling, W. Va. , for one year’s service under Colonel Joseph Snider, former colonel of the 7th West Virginia Infantry
August Duty at Parkersburg, Clarksburg, Grafton, New Creek and other points on the Baltimore & Ohio Railroad guarding railroad and operating against guerrillas. Attached to Wilkinson’s Brigade, Army of West Virginia.
October 11 and 14 Actions at Salt Lick Bridge
December Attached to 3rd Brigade, 2nd Division, West Virginia
1864
January 27 to February 7 Operations in Hampshire and Hardy Counties
January 29-30 Action at Medley, Williamsport
April Attached to Kelly’s Command, Reserve Division, West Virginia
June 23 Mustered out