List of Pennsylvania county name etymologies

This is a list of county name etymologies:
 * Adams is named for U.S. President.
 * Allegheny is named for the, which joins with the to form the  within the county.
 * Armstrong is named for general and man.
 * Beaver is named for the, which flows through the county.
 * Bedford is named for, which was named in turn for the.
 * Berks is named for the county of.
 * Blair is named for local leader.
 * Bradford is named for.
 * Bucks is named for the county of.
 * Butler is named for general, who was killed at the.
 * Cambria is so named because it was originally Cambria Township of . is an ancient name for.
 * Cameron is named for.
 * Carbon is named for the deposits found within its borders.
 * Centre is named for its location in the center of the state of Pennsylvania.
 * Chester is named for the county of, or Chester-shire.  The City of , now located in Delaware County, was formerly the county's seat.
 * Clarion is named for the.
 * Clearfield is named for the many clearings that were once within the county's forests.
 * Clinton was probably named for, a who agitated for the construction of the.
 * Columbia is named for the mythic.
 * Crawford is named for, a soldier of the.
 * Cumberland is named for the county of.
 * Dauphin is named for the, the title traditionally given to the oldest son of the.
 * Delaware is named for the, which forms part of the county's southern border. The river, in turn, was named for.
 * Elk is named for the once common to the area.
 * Erie is named for its location on, which was named for the tribe of Native Americans.
 * Fayette is named in honor of the.
 * Forest is named for the woodland within the county.
 * Franklin is named for.
 * Fulton is named for inventor.
 * Greene is named for U.S. general.
 * Huntingdon is named for.
 * Indiana is probably named for.
 * Jefferson is named for U.S. President.
 * Juniata is named after the which flows through the county; Juniata is a  word which translated as people of the standing stone.
 * Lackawanna is named for the, which flows through the county. Lackawanna is a name meaning stream that forks.
 * Lancaster is named for the county of.
 * Lawrence is named for the, 's first , which was in turn named for naval hero.
 * Lebanon is named for a ; Lebanon is a term meaning White Mountain.
 * Lehigh is named for the, which flows through the county. The name of the river derives from the Native American word Lechauwekink, meaning where there are forks in the stream.
 * Luzerne is named for the ambassador to the U.S. in 1786,.
 * Lycoming is named for, which flows through the county. Lycoming was a word meaning sandy or gravelly creek.
 * McKean is named for.
 * Mercer is named for general.
 * Mifflin is named for.
 * Monroe is named for U.S. President.
 * Montgomery is named for either U.S. general, two state legislators with the last named Montgomery who worked for its establishment, or for in.
 * Montour is named for, a French-Indian woman involved in Native American affairs.
 * Northampton is named for in, the home of the ,  to.
 * Northumberland was probably named for the county of.
 * Perry is named for naval commander.
 * Philadelphia was created by and named after a city called Philadelphus, meaning city of brotherly love, located in.
 * Pike is named for explorer.
 * Potter is named for and  general.
 * Schuylkill is named for the, the source of which is in the county; Schuylkill is for hidden stream.
 * Snyder is named for.
 * Somerset is named for the county of.
 * Sullivan is named for Pennsylvania state legislator.
 * Susquehanna is named for the, which flows through the county; Susquehanna is an word for muddy water.
 * Tioga is named for the, which flows through the county; Tioga is a word meaning the forks of a stream.
 * Union is named for the which was threatened by the.
 * Venango's name is taken from the name for.
 * Warren is named for, likely the first to die for the Continentals in the.
 * Washington is named for U.S. President.
 * Wayne is named for.
 * Westmoreland is named for the county of.
 * Wyoming is a word meaning meadows.
 * York is named for the or for the city and shire of  in.

Source

 * Counties of Pennsylvania