Crossroads of America: Early Indiana History

POSEY COUNTY

Named for Revolutionary War hero Thomas Posey who later became United States Senator from Louisiana and Indiana Territory Governor.

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A Few Facts About Posey County
  • Posey County is divided into 10 Civil Towhships as follows: Bethel, Black, Center, Harmony, Lynn, Marrs, Point, Robb, Robinson and Smith.
  • Posey County was organized November 1, 1814. 
  • Mt. Vernon wasn't always the County Seat.
    • The first location was at Blackford, in the northeastern corner of Marrs Township, the town being named after Judge Isaac Blackford, a famous lawyer in Indiana for more than forty years. 
    • In 1817, it was removed to Springfield, near the town of Harmonie, where Frederick Rapp and his colony of Rappites lived. 
    • The legislative act of February 12, 1825 moved the County Seat to Mt. Vernon. First settled in 1803 by Andrew McFadin, the town site long ago known as McFadin's Bluff. By 1849 Mt. Vernon contained substantial buildings for the Courthouse and public offices, two good hotels and about 200 houses with 1,000 inhabitants.
  • According to the Society of Indiana Pioneers, an individual was a pioneer of our county if they resided here on or before December 31, 1825.
  • Indiana automobile License Plates issued in Posey County start with the prefix 65 because it is the sixty-fifth county in alphabetical listing.
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