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

[1] He was the son of Dr. Francis Herron, the well-known Presbyterian Minister.

He captained the Duquesne Grays in the Mexican-American War during the Siege of Veracruz.

His war feats greatly enhanced his electability and President Zachary Taylor visited the city during Mayor Herron's term.

[citation needed] This article about a Pennsylvania politician is a stub.