| Hampshire |
Formed 1754 |
From Augusta and Frederick. |
| Berkley |
Formed 1772 |
From Frederick. |
| Monongalia |
Formed 1776 |
From Augusta. |
| Ohio |
Formed 1776 |
From Augusta and Yohogania. |
| Greenbrier |
Formed 1778 |
From Botetourt and Montgomery. |
| Jefferson |
Formed 1780 |
From Kentucky County. |
| Harrison |
Formed 1784 |
From Monongalia. |
| Hardy |
Formed 1786 |
From Hampshire. |
| Randolph |
Formed 1787 |
From Harrison. |
| Pendleton |
Formed 1788 |
From Augusta, Hardy, Rockingham and Bath. |
| Kanawha |
Formed 1789 |
From Greenbrier and Montgomery. |
| Woodford |
Formed 1789 |
From Fayette. |
| Brooke |
Formed 1797 |
From Ohio County. |
| Wood |
Formed 1798 |
From Harrison and Kanawha. |
| Monroe |
Formed 1799 |
From Greenbrier and Botetourt. |
| Mason |
Formed 1804 |
From Kanawha. |
| Cabell |
Formed 1809 |
From Kanawha. |
| Tyler |
Formed 1814 |
From Ohio County. |
| Lewis |
Formed 1816 |
From Harrison and Randolph Counties. |
| Preston |
Formed 1818 |
From Monongalia and Randolph. |
| Nicholas |
Formed 1818 |
From Greenbrier, Kanawha and Randolph. |
| Morgan |
Formed 1820 |
From Berkley and Hampshire. |
| Pocahontas |
Formed 1821 |
From Bath, Pendleton, Randolph and Greenbrier. |
| Logan |
Formed 1824 |
From Giles, Cabell, Tazewell and Kanawha. |
| Fayette |
Formed 1831 |
From Logan, Greenbrier, Nicholas and
Kanawha. |
| Jackson |
Formed 1831 |
From Mason, Wood and Kanawha. |
| Marshall |
Formed 1835 |
From Ohio County. |
| Braxton |
Formed 1836 |
From Lewis, Nicholas, Randolph and
Kanawha. |
| Mercer |
Formed 1837 |
From Giles and Tazewell. |
| Marion |
Formed 1842 |
From Monongalia and Harrison. |
| Barbour |
Formed 1843 |
From Harrison, Lewis and Randolph. |
| Ritchie |
Formed 1843 |
From Harrison, Lewis and Wood. |
| Taylor |
Formed 1844 |
From Harrison, Barbour and Marion. |
| Gilmer |
Formed 1845 |
From Lewis and Kanawha. |
| Doddridge |
Formed 1845 |
From Harrison, Tyler, Ritchie and Lewis. |
| Wetzel |
Formed 1846 |
From Tyler. |
| Boone |
Formed 1847 |
From Logan, Cabell and Kanawha. |
| Wirt |
Formed 1848 |
From Wood and Jackson. |
| Hancock |
Formed 1848 |
From Brooke. |
| Putnam |
Formed 1848 |
From Mason, Cabell and Kanawha. |
| Raleigh |
Formed 1850 |
From Fayette. |
| Upshur |
Formed 1851 |
From Randolph, Barbour and Lewis. |
| Pleasants |
Formed 1851 |
From Wood, Tyler and Ritchie. |
| Calhoun |
Formed 1856 |
From Gilmer. |
| Roane |
Formed 1856 |
From Gilmer, Jackson and Kanawha. |
| Tucker |
Formed 1856 |
From Randolph County. |
| McDowell |
Formed 1858 |
From Tazewell. |
| Clay |
Formed 1858 |
From Braxton and Nicholas. |
| Webster |
Formed 1860 |
From Braxton, Nicholas and Randolph. |
