New Horizons Genealogy

"Specializing in New England and New York Colonial American Ancestry"


1839 Illinois County Formation Map


Try our genealogy search engine


1839--TWENTY-ONE NEW COUNTIES

As counties of the State of Illinois


1839 Illinois county formation map


1837-1839--TWENTY-ONE NEW COUNTIES

1837

Livingston...................Established Feb. 27.....Laws 1837, page...... 83
Bureau.......................Established Feb. 28.....Laws 1837, page...... 93
Cass.........................Established Mar.  3.....Laws 1837, page......101
Boone........................Established Mar.  4.....Laws 1837, page...... 96
DeKalb.......................Established Mar.  4.....Laws 1837, page...... 97
Stephenson...................Established Mar.  4.....Laws 1837, page...... 96
Winnebago, boundary re-defined...........Mar.  4.....Laws 1837, page...... 96
McHenry, eastern boundary defined........Mar.  4.....Laws 1837, page...... 89
Henry, territory detached................Mar.  4.....Laws 1837, page...... 89
Adams, Hancock, Warren and Mercer, western boundary defined, Mar. 4, Laws
1837, page................................................................ 91

1839

Marshall.....................Established Jan. 19.....Laws 1839, page...... 43
Brown........................Established Feb.  1.....Laws 1839, page...... 52
DuPage.......................Established Feb.  9.....Laws 1839, page...... 73
Dane (now Christian).........Established Feb. 15.....Laws 1839, page......104
Logan........................Established Feb. 15.....Laws 1839, page......104
Menard.......................Established Feb. 15.....Laws 1839, page......104
Scott........................Established Feb. 16.....Laws 1839, page......126
Carroll......................Established Feb. 22.....Laws 1839, page......160
Lee..........................Established Feb. 27.....Laws 1839, page......170
Jersey.......................Established Feb. 28.....Laws 1839, page......208
Warren.......................Established Feb. 28.....Laws 1839, page......110
DeWitt.......................Established Mar.  1.....Laws 1839, page......199
Lake.........................Established Mar.  1.....Laws 1839, page......216
Hardin.......................Established Mar.  2.....Laws 1839, page......234
Stark........................Established Mar.  2.....Laws 1839, page......229
Ogle, territory added.................Feb. 22........Laws 1839, page......162
Dane, territory added.................Feb. 26........Laws 1839, page......188
Macon, territory added................Mar.  2........Laws 1839, page......265
Hardin-Pope, line defined.............Jan.  8, 1840..Laws 1840, page...... 38
Logan, territory added................Jan. 29, 1840..Laws 1840, page...... 39
Dane, name changed to Christian.......Feb.  1, 1840..Laws 1840, page...... 80


[ Illinois Genealogy ]