Mercer County, Virginia has existed twice in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...

Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...

's history. Formed in 1785, and 1837, respectively, both

counties A county is a geographic region of a country used for administrative or other purposesChambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...

were named for Revolutionary War

General A general officer is an officer of high rank in the armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers to a rank above colonel."general, adj. and n.". OED ...

Hugh Mercer Hugh Mercer (16 January 1726 – 12 January 1777) was a Scottish-born American military officer and physician who participated in the Seven Years' War and Revolutionary War. Born in Pitsligo, Scotland, he studied medicine in his home country ...

, who was killed at the Battle of Princeton in 1777, and each was separated from Virginia due to the creation of a new state, partitioned in accordance with Article IV, Section 3, Clause 1 of the United States Constitution. The two counties continued in existence as: *

Mercer County, Kentucky Mercer County is a county located in the U.S. Commonwealth of Kentucky. As of the 2020 census, the population was 23,772. Its county seat is Harrodsburg. The county was formed from Lincoln County, Virginia in 1785 and is named for Revoluti ...

, separated when Kentucky was admitted to the Union in 1792. *

Mercer County, West Virginia Mercer County is a county on the southeastern border of the U.S. state of West Virginia. At the 2020 census, the population was 59,664. Its county seat is Princeton. The county was originally established in the State of Virginia by act of its ...

, separated when West Virginia was admitted to the Union in 1863.

See also