Jackson County ILGenWeb is a free genealogical site about the history of
the county. We hope you find helpful clues for your research of ancestors
and relatives of Jackson county, Illinois.
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County was organized on January 10, 1816 from Johnson and Randolph
Counties. It was named for Andrew Jackson, whose army of Tennessee
and Kentucky volunteers defeated an invading British force of 7,500
men in the Battle of New Orleans during the War of 1812.
Jackson County is located in the south-western part of Illinois. It
is bounded on the north by Perry County, on the east by Franklin and
Williamson Counties, on the south by Union County, on the south-west
by the Mississippi River which divides the state of Illinois from
Missouri, and on the north-west by Randolph County.
county seat is Murphysboro. The original county seat and courthouse
were located along the Big Muddy River at Brownsville.