Indiana County Creation Dates and Parent Counties

Name of County	Date Formed	Parent County	Progeny County
Adams	07 Feb 1835	Warren	none
Allen	17 Dec 1823	Indian lands	DeKalb 1835, Wells 1835
Bartholomew	08 Jan 1821	Indian lands	none
Benton	18 Feb 1840	Indian lands	none
Blackford	15 Feb 1838	Jay	none
Boone	29 Jan 1831	Indian lands	none
Brown	04 Feb 1836	Morgan, Johnson, Monroe, Lawrence	none
Carroll	07 Jan 1828	Indian lands	White 1834
Cass	18 Dec 1828	Indian lands	Miami 1832, Pulask 1835
Clark	03 Feb 1801	Knox	Floyd 1819, Scott 1820
Clay	12 Feb 1825	Indian lands	none
Clinton	29 Jan 1830	Indian lands	none
Crawford	29 Jan 1818	Harrison	Orange 1815
Daviess	24 Jan 1816	Indian lands	none
Dearborn	07 Mar 1803	Indiana Territory	Ohio 1844, Orange 1815
Decatur	31 Dec 1821	Indian lands	none
DeKalb	07 Feb 1835	Allen	none
Delaware	26 Jan 1827	Indian lands	Grant 1831, Morgan 1822
Dubois	20 Dec 1817	Orange, Perry	none
Elkhart	29 Jan 1830	Indian lands	Noble 1835
Fayette	28 Dec 1818	Wayne	Madison 1823
Floyd	02 Jan 1819	Harrison, Clark	none
Fountain	20 Dec 1825	Montgomery	none
Franklin	27 Nov 1810	Wayne, Ripley	Rush 1821
Fulton	07 Feb 1835	Indian lands	none
Gibson	09 Mar 1813	Knox	none
Grant	10 Feb 1831	Delaware	Huntington 1832
Greene	05 Jan 1821	Knox	none
Hamilton	08 Jan 1823	Hancock, Marion	Tipton 1844
Hancock	26 Jan 1827	Madison	Hamilton 1823
Harrison	11 Oct 1808	Indiana Territory	Crawford 1818, Floyd 1819, Perry 1814
Hendricks	20 Dec 1823	Indian lands	none
Henry	31 Dec 1821	Indian lands	none
Howard	28 Dec 1846	renamed from Richardsville	none
Huntington	02 Feb 1832	Grant	Wabash 1832, Wells 1835, Whitley 1835
Jackson	18 Dec 1815	Washington	Scott 1820
Jasper	07 Feb 1835	Indian lands	Newton 1835
Jay	07 Feb 1835	Randolph	Blackford 1838
Jefferson	23 Nov 1810	Indian lands	none
Jennings	27 Dec 1816	Indian lands	none
Johnson	31 Dec 1822	Indian lands	Brown 1836
Knox	20 Jun 1790	Northwest Territory	Clark 1801, Gibson 1813, Green 1821, Posey 1814
Kosciusko	07 Feb 1835	Indian lands	none
LaGrange	02 Feb 1832	state lands	none
Lake	28 Jan 1836	Porter, Newton	none
La Porte	09 Jan 1832	Indian lands	none
Lawrence	07 Jan 1818	Orange	Brown 1836
Madison	04 Jan 1823	Fayette	Hancock 1827
Marion	31 Dec 1821	Ohio	Hamilton 1823
Marshall	07 Feb 1835	Indian lands	Starke 1835
Martin	17 Jan 1820	Indian lands	none
Miami	02 Feb 1832	Cass	none
Monroe	14 Jan 1818	Orange	Brown 1836, Morgan 1821
Montgomery	21 Dec 1822	Indian lands	Fountain 1825, Tippecanoe 1826
Morgan	31 Dec 1821	Monroe	Brown 1836
Newton	07 Feb 1835	Jasper	Lake 1836
Noble	07 Feb 1835	Elkhart	none
Ohio	04 Jan 1844	Dearborn	Marion 1821
Orange	26 Dec 1815	Dearborn	Dubois 1817, Lawrence 1818, Monroe 1818
Owen	21 Dec 1818	Indian lands	none
Parke	09 Jan 1821	Indian lands	Vermillion 1824
Perry	07 Sep 1814	Harrison, Warrick	Dubois 1817
Pike	21 Dec 1816	Indian lands	none
Porter	07 Feb 1835	Indian lands	Lake 1836
Posey	07 Sep 1814	Knox	none
Pulaski	07 Feb 1835	Cass	none
Putnam	31 Dec 1821	Indian lands	none
Randolph (new)	10 Jan 1818	Wayne	Jay 1835
Ripley	27 Dec 1816	Indian lands	Franklin 1810
Rush	31 Dec 1821	Franklin	none
St. Joseph	29 Jan 1830	Indian lands	none
Scott	12 Jan 1820	Clark, Jackson	none
Shelby	31 Dec 1821	Indian lands	none
Spencer	10 Jan 1818	Warwick	none
Starke	07 Feb 1835	Marshall	none
Steuben	07 Feb 1835	Indian lands	none
Sullivan	30 Dec 1816	Indiana Territory	none
Switzerland	07 sep 1814	Indian lands	none
Tippecanoe	20 Jan 1826	Montgomery	none
Tipton	15 Jan 1844	Hamilton	none
Union	05 Jan 1821	Wayne	none
Vanderburgh	07 Jan 1818	Indian lands	none
Vermillion	02 Jan 1824	Parke	none
Vigo	21 Jan 1818	Indian lands	none
Warren	19 Jan 1827	Indian lands	Adams 1835
Washington	21 Dec 1813	Indian lands	Jackson 1815
Wayne	1811 Jan 01	Indiana Territory	Clark, Dearborn, Knox
Wells	07 Feb 1835	Huntington, Allen	none
White	01 Feb 1834	Carroll	none
Whitley	07 Feb 1835	Huntington	none