Source:Street-nomenclature-1869-05-06

From Pittsburgh Streets

"Street nomenclature." Pittsburgh Commercial, May 6, 1869, [p. 4]. Newspapers.com 85540423.

Street Nomenclature.—All the streets in the boroughs of South Pittsburgh, Birmingham and East Birmingham, running north and south from the river, have been numbered, commencing with Bridge street, South Pittsburgh, as First Street, and running to McClurg street, East Birmingham, which is Twenty-ninth street.