- COORDINATES: 40.887974, -79.588524
- COUNTY: Armstrong
- DISTANCE TO NEXT: East Brady - 15
- EXPLANATION OF NAME: Named For John Cowan Pioneer Settler
- FOUNDED: 1849
- MANUFACTURER: Geiser Mfg. Co. Waynesboro PA
- SHAPE: Standard 1-sided
- STATUS: Recently repainted by someone. Marker has been relocated from its original location to a church yard.

2012 photo by Mike Natale

- 2013 photo by Mike Wintermantel

April 2013 photo by Mike Wintermantel
Church yard PA Route 268 at Worthington Road