• ANNIN - From Liberty and Ceres Twps. in 1860. First settled in 1836.
  
• BRADFORD - From Ceres Twp. in 1828. First settled in 1793.
  
• BURLINGTON - From Sergeant Twp. in 1812.
  
• CERES - This was original township that included the whole county. First settled area.
  
• COOPER - From Sergeant Twp. in 1812.
  
• CORYDON - From Bradford Twp. in 1829.
  
• ELDRED - From Ceres Twp. in 1843.
  
• FOSTER - From Bradford Twp. in 1880.
  
• HAMILTON - From Sergeant Twp. in 1844.
  
• HAMLIN - From Sergeant Twp. in 1844.
  
• KEATING - From Ceres Twp. in 1824.
  
• LAFAYETTE - From Keating Twp. in 1843.
  
• LIBERTY - From Keating Twp. in 1828.
  
• NORWICH - From Sergeant Twp. in 1835
  
• OGDEN - Temporary township formed from Sergeant Twp. in 1812 and annexed back in 1817.
  
• OTTO - From Eldred Twp. in 1854.
  
• SERGEANT - From Ceres Twp. in 1811.
  
• SHIPPEN - From Sergeant Twp. in 1812.
  
• WALKER - Temporary township formed from Sergeant Twp. in 1812. Returned to Sergeant Twp. in 1817.
  
• WETMORE - From Hamlin & Sergeant Twps. in 1856.
  

BOROUGHS

• ELDRED - Incorporated in 1880 from Eldred Twp.
  
• KANE - Incorporated in 1887 from Wetmore Twp.
  
• LEWIS RUN - Incorporated in 1911 from Bradford and Lafayette Twps.
  
• MOUNT JEWETT - Incorporated in 1903 from Hamlin Twp.
  
• PORT ALLEGANY- Incorporated in 1882 from Liberty Twp.
  
• SMETHPORT - Incorporated in 1853 from Keating Twp.
  

More details of the above can be found in
Cemeteries of McKean County
published by the McKean County Historical Society.