County	Founded	Parent County	County Seat
Barbour	1843	Harrison, Lewis, Randolph	Philippi
Berkeley	1772	Frederick	Martinsburg
Boone	1847	Kanawha, Cabell, Logan	Madison
Braxton	1836	Kanawha, Lewis, Nicholas, Randolph	Sutton
Brooke	1796	Ohio	Wellsburg
Cabell	1809	Kanawha	Huntington
Calhoun	1856	Gilmer	Grantsville
Clay	1858	Braxton, Kanawha, Nicholas	Clay
Doddridge	1845	Harrison, Tyler, Ritchie, Lewis	West Union
Fayette	1831	Kanawha, Greenbrier, Nicholas, Logan	Fayetteville
Gilmer	1845	Lewis, Kanawha	Glenville
Grant	1866	Hardy	Petersburg
Greenbrier	1778	Montgomery, Botetourt	Lewisburg
Hampshire	1754	Frederick, Augusta	Romney
Hancock	1848	Brooke	New Cumberland
Hardy	1786	Hampshire	Moorefield
Harrison	1784	Monongalia, Randolph, Ohio	Clarksburg
Jackson	1831	Kanawha, Mason, Wood	Ripley
Jefferson	1801	Berkeley	Charles Town
Kanawha	1789	Greenbrier, Montgomery	Charleston
Lewis	1816	Harrison, Randolph	Weston
Lincoln	1867	Boone, Cabell, Kanawha	Hamlin
Logan	1824	Cabell, Kanawha, Giles, Tazewell	Logan
Marion	1842	Harrison, Monongalia	Fairmont
Marshall	1835	Ohio	Moundsville
Mason	1804	Kanawha	Point Pleasant
McDowell	1858	Tazewell	Welch
Mercer	1837	Giles, Tazewell	Princeton
Mineral	1866	Hampshire	Keyser
Mingo	1895	Logan	Williamson
Monongalia	1776	District of West Augusta	Morgantown
Monroe	1799	Greenbrier, Botetourt	Union
Morgan	1820	Berkeley, Hampshire	Berkeley Springs
Nicholas	1818	Greenbrier, Kanawha, Randolph	Summersville
Ohio	1776	Augusta	Wheeling
Pendleton	1788	Hardy, Augusta, Rockingham	Franklin
Pleasants	1851	Ritchie, Tyler, Wood	Saint Marys
Pocahontas	1821	Pendleton, Randolph, Greenbrier, Bath	Marlinton
Preston	1818	Monongalia, Randolph	Kingwood
Putnam	1848	Kanawha, Mason, Cabell	Winfield
Raleigh	1850	Fayette	Beckley
Randolph	1787	Harrison	Elkins
Ritchie	1843	Harrison, Lewis, Wood	Harrisville
Roane	1856	Kanawha, Jackson, Gilmer	Spencer
Summers	1871	Greenbrier, Monroe, Mercer	Hinton
Taylor	1844	Harrison, Barbour, Marion	Grafton
Tucker	1856	Randolph	Parsons
Tyler	1814	Ohio	Middlebourne
Upshur	1851	Randolph, Barbour, Lewis	Buckhannon
Wayne	1842	Cabell	Wayne
Webster	1860	Braxton, Nicholas, Randolph	Webster Springs
Wetzel	1846	Tyler	New Martinsville
Wirt	1848	Wood, Jackson	Elizabeth
Wood	1798	Harrison, Kanawha	Parkersburg
Wyoming	1850	Logan	Pineville