John Herron served as Mayor of Pittsburgh from 1849 to 1850.

John Herron was the son of Dr. Francis Herron, the well-known Presbyterian Minister. The Herrons were among the founding families of Pittsburgh. He captained the Duquesne Grays in the Mexican War during the Siege of Veracruz

Siege of Veracruz

The Battle of Veracruz was a 20-day siege of the key Mexican beachhead seaport of Veracruz, during the Mexican-American War. Lasting from 9-29 March 1847, it began with the first large-scale amphibious assault conducted by United States military forces, and ended with the surrender and occupation...

. His war feats greatly enhanced his electability and President Zachary Taylor

Zachary Taylor

Zachary Taylor was the 12th President of the United States and an American military leader. Initially uninterested in politics, Taylor nonetheless ran as a Whig in the 1848 presidential election, defeating Lewis Cass...

visited the city during Mayor Herron's term.