- COORDINATES: 40.963234, -80.432807
- COUNTY: Lawrence
- DISTANCE TO NEXT: New Castle - 5
- EXPLANATION OF NAME: Named for General Andrew Jackson
- FOUNDED: 1815
- MANUFACTURER: Geiser Manufacturing Company
- SHAPE: Standard 1-sided
- STATUS: Sign would have originally been west of town for eastbound traffic. Sign is now east of town near a veterans' memorial and cemetery. Marker and post were saved from the scrap heap and placed by local residents at its present location. Marker was reinstalled on July 16, 2017.
![June 2011 photo by Mike Natale](http://keystonemarkertrust.org/wp-content/uploads/town-mount_jackson-new_castle-1-285x159.jpg)
Undated photo by Denny Pine
![June 2011 photo by Mike Natale](http://keystonemarkertrust.org/wp-content/uploads/town-mount_jackson-new_castle-2-285x213.jpg)
June 2011 photo by Mike Natale
![June 2011 photo by Mike Natale](http://keystonemarkertrust.org/wp-content/uploads/town-mount_jackson-new_castle-3-285x213.jpg)
June 2011 photo by Mike Natale
![March 2014 photo by Mike Wintermantel](http://keystonemarkertrust.org/wp-content/uploads/town-mount_jackson-new_castle-0314mwintermantel-1-285x160.jpg)
March 2014 photo by Mike Wintermantel
![March 2014 photo by Mike Wintermantel](http://keystonemarkertrust.org/wp-content/uploads/town-mount_jackson-new_castle-0314mwintermantel-5-285x160.jpg)
March 2014 photo by Mike Wintermantel
![July 2017 photo by Mike Wintermantel shows the marker repainted and reinstalled](http://keystonemarkertrust.org/wp-content/uploads/town-mount_jackson-new_castle-0717mwintermantel-46-285x190.jpg)
July 2017 photo by Mike Wintermantel shows the marker repainted and reinstalled
![July 2017 photo by Mike Wintermantel shows the marker repainted and reinstalled](http://keystonemarkertrust.org/wp-content/uploads/town-mount_jackson-new_castle-0717mwintermantel-45-200x300.jpg)
July 2017 photo by Mike Wintermantel shows the marker repainted and reinstalled
![July 2017 photo by Mike Wintermantel](http://keystonemarkertrust.org/wp-content/uploads/town-mount_jackson-new_castle-0717mwintermantel-40-285x190.jpg)
July 2017 photo by Mike Wintermantel
![July 2017 photo by Mike Wintermantel](http://keystonemarkertrust.org/wp-content/uploads/town-mount_jackson-new_castle-0717mwintermantel-50-200x300.jpg)
July 2017 photo by Mike Wintermantel
PA 108 at Old Hickory Road