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Mercer County USGenWeb Project > Maps

Mercer County Genealogy

.

Schematic History of 

Mercer County Townships

Compiled and contributed by John MacDonald

If, for instance, you find your ancestor in Mill Creek Township in 1880, in French Creek Township in 1840, and in Sandy Creek Township in 1810, you can see by this diagram that the ancestor never moved, but rather that the Townships changed.


Map of the Six Townships of Mercer County as of 1804: 

NORTH

SALEM

SANDY CREEK
PYMATUNING COOLSPRING
NESHANNOCK WOLF CREEK

SOUTH


Evolution of Mercer County Townships (based on maps available on the map page that were created by Richard Winder.)

 

SALEM
----- by 1830 eastern half remains SALEM
-------------------------- by 1873 northeast quarter remains SALEM
-------------------------- by 1873 southeast quarter is OTTER CREEK
-------------------------- by 1873 southwest quarter is HEMPFIELD
-------------------------- by 1873 northwest quarter is SUGAR GROVE
----- by 1830 western half is WEST SALEM
--------------- by 1850 northern third of West Salem is GREENE

SANDY CREEK
----- by 1830 western half remains SANDY CREEK
-------------------------- by 1873 northwest quarter remains SANDY CREEK
-------------------------- by 1873 northeast quarter is DEER CREEK
-------------------------- by 1873 southeast quarter is NEW VERNON
-------------------------- by 1873 southwest quarter is PERRY
----- by 1830 eastern half is FRENCH CREEK
--------------- by 1850 bottom half of French Creek is MILL CREEK

COOL SPRING
----- by 1830 western half remains COOL SPRING
-------------------------- by 1873 southwest quarter remains COOL SPRING
-------------------------- by 1873 northwest quarter is FAIRVIEW
-------------------------- by 1873 northeast quarter is LAKE
-------------------------- by 1873 southeast quarter is JACKSON
----- by 1830 eastern half by 1830 is SANDY LAKE
--------------- by 1850 bottom half of Sandy Lake is WORTH

WOLF CREEK
----- by 1830 northeastern quarter remains WOLF CREEK
-------------------------- by 1873 upper third remains WOLF CREEK
-------------------------- by 1873 middle third is PINE
-------------------------- by 1873 bottom third is LIBERTY
----- by 1830 northwestern quarter is SPRINGFIELD
--------------- by 1850 northern half of Springfield is FINDLEY
-----  by 1830 bottom half is SLIPPERY ROCK
--------------- by 1850  all of Slippery Rock goes to Lawrence County 

                       (no longer Mercer Co)

NESHANNOCK
-----
by 1830 southeastern quarter remains NESHANNOCK
--------------- by 1850  all of Neshannock goes to Lawrence County               

                        (no longer Mercer Co)
----- by 1830 northeastern quarter is LACKAWANNOCK
--------------- by 1850 bottom third of Lackawannock is WILMINGTON
--------------- by 1850  eastern third of Lackawannock is EAST

 

LACKAWANNOCK
-----
by 1830 northwestern quarter: is SHENANGO
----------by 1840, upper half to HICKORY (see Pymatuning)
----- by 1830 southwestern quarter is MAHONING
--------------- by 1850  all of Mahoning goes to Lawrence County 

                           (no longer Mercer Co)

PYMATUNING
-----
by 1830 western half remained PYMATUNING
--------------- by 1840 bottom half to HICKORY (see Shenango)
----- by 1830 eastern half is DELAWARE
-------------------------- by 1873 upper half remains DELAWARE
-------------------------- by 1873 bottom half is JEFFERSON



 

 

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