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Kentucky County Formation

County

Founding 

date

Parent County County Seat Named in Honor of

Adair

1802

Green

Columbia

Gen John Adair
8th gov. of KY

Allen

1815

Barren, Warren

Scottsville

  Col. John                           Allen                     

Anderson

1827

Franklin, Mercer, Washington

Lawrenceburg

Richard Clough
Anderson, Jr.

Ballard

1842

Hickman, McCracken

Wickliffe

N/A 

Barren

1799

Green, Warren

Glasgow

Named for the
" Barren Section"
Of KY

Bath

1811

Montgomery

Owingsville

Named for a spring
found there

Bell

1867

Harlan, Knott

Pineville

N/A 

Boone

1799

Campbell

Burlington

Daniel Boone

Bourbon

1786

Fayette

Paris

Royal House of
Bourbon, France

Boyd

1860

Carter, Greenup, Lawrence

Catlettsburg

N/A 

Boyle

1842

Lincoln, Mercer

Danville

 N/A

Bracken

1797

Campbell, Mason

Brooksville

William Bracken
pioneer settler

Breathitt

1839

Clay, Estill, Perry

Jackson

N/A 

Breckinridge

1800

Hardin

Hardinsburg

John Breckinridge

Bullitt

1797

Jefferson, Nelson

Shepherdsville

Alexander Scott Bullitt
Lt. Gov. 1796

Bulter

1810

Logan, Ohio

Morgantown

Gen. Richard Bulter

Caldwell

1809

Livingston

Princeton

Gen. John Caldwell
Lt. Gov of Ky

Calloway

1821

Hickman

Murray

Col. Richard Callaway
early Ky pioneer

Campbell

1795

Harrison, Mason, Scott

Alexandria, Newport

Col. John Campbell
member of  Ky's
1st Constitutional
Convention 

Carlisle

1886

Ballard, Breckinridge, Green

Bardwell

N/A 

Carroll

1838

Gallatin, Henry, Trimble

Carrollton

N/A 

Carter

1838

Greenup, Lawrence

Grayson

N/A 

Casey

1807

Lincoln

Liberty

Col. William Casey

Christian

1797

Logan

Hopkinsville

Col. William Christian
of Virginia

Clark

1793

Bourbon, Fayette

Winchester

Gen. George Rogers Clark

Clay

1807

Floyd, Knox, Madison

Manchester

Gen. Green Clay

Clinton

1836

Cumberland, Wayne

Albany

 N/A

Crittenden

1842

Livingston

Marion

 N/A

Cumberland

1799

Green

Burkesville

Cumberland River

Daviess

1815

Ohio

Owensboro

Maj. Joesph H. Daveiss

Edmonson

1825

Grayson, Hart, Warren

Brownsville

Capt. John Edmonson

Elliott

1869

Carter, Lawrence, Morgan

Sandy Hook

 N/A

Estill

1808

Clark, Madison

Irvine

Capt. James Estill

Fayette

1780

Kentucky

( Virginia )

Lexington

 N/A

Fleming

1798

Mason

Flemingsburg 

 N/A

Floyd

1800

 Montgomery, Mason,  Fleming

 Prestonsburg

Col. John Floyd
one of the 1st
surveyors of Ky

Franklin

1795

 Mercer, Shelby, Woodford

 Frankfort

Benjamin Franklin 

Fulton

1845

 Hickman

 Hickman

 N/A

Gallatin

1799

 Franklin, Shelby

 Warsaw

 Albert Gallatin

Garrard

1797

 Lincoln, Madison, Mercer

 Lancaster

 James Garrad, Ky's 2nd Gov

Grant

1820

 Pendleton

 Williamstown

 Named for either Samuel Grant or Col John Grant (Brothers)

Graves

1821

 Hickman

 Mayfield

 Major Benjamin Graves

Grayson

1810

 Hardin, Ohio

 Leitchfield

 Col William Grayson

Green

1793

 Lincoln, Nelson

 Greensburg

 Gen Nathaniel Greene

Greenup

1804

 Mason

 Greenup

 Christopher Greenup Ky's 3rd Gov

Hancock

1829

 Breckinridge, Daviess, Ohio

 Hawesville

 John Hancock

Hardin

1793

 Nelson

 Elizabethtown

 Col John Hardin of Va.

Harlan

1819

 Floyd, Knox

 Harlan

 Major Silas Hardin

Harrison

1794

 Bourbon, Scott

 Cynthiana

 Col Benjamin Harrison

Hart

1819

 Green, Hardin

 Munfordville

 Capt Nathaniel G T Hart

Henderson

1799

 Christian

 Henderson

 Col Richard Henderson

Henry

1799

 Shelby

 New Castle

 Patrick Henry

Hickman

1821

 Caldwell, Livingston

 Clinton

 Capt Paschal Hickman

Hopkins

1807

 Henderson

 Madisonville

 Gen Samuel Hopkins

Jackson

1858

 Clay, Estill, Laurel, Owsley, Madison, Rockcastle

 McKee

N/A 

Jefferson

1780

 Kentucky (Virginia)

 Louisville

 Thomas Jefferson

Jessamine

1799

 Fayette

 Nicholasville

Jessamine Douglass

Johnson

1843

 Floyd, Lawrence, Morgan

 Paintsville

N/A 

Kenton

1840

 Campbell

 Covington, Independence

N/A 

Knott

1884

 Breathitt, Floyd, Letcher, Perry

 Hindman

N/A 

Knox

1800

 Lincoln

 Barbourville

 Gen Henry Knox

LaRue

1843

 Hardin

 Hodgenville

N/A 

Laurel

1826

 Clay, Knox, Rockcastle, Whitley

 London

 Named for the Laurel River and the flower "The Mountain Laurel"

Lawrence

1822

 Floyd, Greenup

 Louisa

 Capt James Lawrence

Lee

1870

 Breathitt, Estill, Owsley, Wolfe

 Beattyville

N/A 

Leslie

1878

 Clay, Harlan, Perry

 Hyden

 N/A

Letcher

1842

 Harlan, Perry

 Whitesburg

 N/A

Lewis

1807

 Mason

 Vanceburg

 Capt Meriwether Lewis

Lincoln

1780

 Kentucky (Virginia)

 Stanford

 Gen Benjamin Lincoln

Livingston

1799

 Christian

 Smithland

 Robert Livingston

Logan

1792

 Lincoln

 Russelville

 Gen Benjamin Logan of Va

Lyon

1854

 Caldwell

 Eddyville

 N/A

Madison

1786

 Lincoln

 Richmand

 N/A

Magoffin

1860

 Floyd, Johnson, Morgan

 Salyersville

N/A 

Marion

1834

Washington 

 Lebanon

 N/A

Marshall

1842

 Calloway

 Benton

 N/A

Martin

1870

 Floyd, Johnson, Lawrence, Pike

 Inez

N/A 

Mason

1789

 Bourbon

 Maysville

 N/A

McCracken

1821

 Hickman

 Paducah

 Capt Virgin McCracken

McCreary

1912

 Pulaski, Wayne, Whitley

 Whitley City

 N/A

McLean

1854

 Daviess, Muhlenburg, Ohio

 Calhoun

N/A 

Meade

1824

 Breckinridge, Hardin

 Brandenburg

 Capt James Meade

Menifee

1869

 Bath, Montgomery, Morgan, Powell, Wolfe

 Frenchburg

 N/A

Mercer

1786

 Lincoln

 Harrodsburg

 Gen Hugh Mercer

Metcalfe

1860

 Adair, Barren, Cumberland, Green, Monroe

 Edmonton

 N/A

Monroe

1820

 Barren, Cumberland

 Tompkinsville

 President James Monroe

Montgomery

1797

 Clark

 Mt Sterling

 Gen Richard Montgomery

Morgan

1823

 Bath, Floyd

 West Liberty

 Gen Daniel Morgan

Muhlenberg

1799

 Christian, Logan

 Greenville

 Gen Peter Muhlenberg

Nelson

1785

 Jefferson

 Bardstown

 Gen Thomas Nelson Gov of VA

Nicholas

1800

 Bourbon, Mason

 Carlisle

 Col George Nicholas

Ohio

1799

 Hardin

 Hartford

 Named for the Ohio River

Oldham

1824

 Henry, Jefferson, Shelby

 La Grange

 Col William Oldham

Owen

1819

 Franklin, Gallatin, Scott

 Owenton

 Col Abraham Owen

Owsley

1843

 Breathitt, Clay, Estill

 Booneville

 N/A

Pendleton

1799

 Bracken, Campbell

 Falmouth

 Judge Edmond Pendleton

Perry

1821

 Clay, Floyd

 Hazard

 Commodore Oliver Hazard Perry

Pike

1822

 Floyd

 Pikeville

 Gen Zebulon Montgomery Pike

Powell

1852

 Clark, Estill, Montgomery

 Stanton

 N/A

Pulaski

1799

 Green, Lincoln

 Somerset

 Gen Casimir Pulaski

Robertson

1867

 Bracken, Harrison, Mason, Nicholas

 Mt Olivet

 N/A

Rockcastle

1810

 Knox, Lincoln, Madison, Pulaski

 Mt Vernon

 Named for the Rockcastle River

Rowan

1856

 Fleming, Morgan

 Morehead

N/A 

Russell

1826

 Adair, Cumberland, Wayne

 Jamestown

 Col William Russell

Scott

1792

 Woodford

 Georgetown

 Gen Charles Scott of VA

Shelby

1792

 Jefferson

 Shelbyville

 Gov Isaac Shelby

Simpson

1819

 Allen, Logan, Warren

 Franklin

 Capt John Simpson

Spencer

1824

 Bullitt, Nelson, Shelby

 Taylorsville

 Capt Spear Spencer

Taylor

1848

 Green

 Campbellsville

 N/A

Todd

1820

 Christian, Logan

 Elkton

 Col John Todd

Trigg

1820

 Caldwell, Christian

 Cadiz

 Col Stephen Trigg

Trimble

1837

 Gallatin, Henry, Oldham

 Bedford

 N/A

Union

1811

 Henderson

 Morganfield

 N/A

Warren

1797

 Logan

 Bowling Green

 Gen Joseph Warren

Washington

1792

 Nelson

 Springfield

 George Washington

Wayne

 1801

 Cumberland, Pulaski

 Monticello

 Gen Anthony Wayne

Webster

1860

 Henderson, Hopkins, Union

 Dixon

N/A 

Whitley

1818

 Knox

 Williamsburg

 Col William Whitley

Wolfe

1860

 Breathitt, Morgan, Owsley, Powell

 Campton

 Nathaniel Wolfe

Woodford

1789

 Fayette

 Versailles

 Gen William Woodford