Source:Manchester-plan
From Pittsburgh Streets
"Manchester: Plan of a subdivision of out lots Nos. 16, 17, 18, 19 and part of 15, in the Reserved Tract, Ross Township, Allegheny Co., called Manchester: Laid out by Charles L. Armstrong, Thos. Barlow, John Sampson, Thomas Hazleton & Robert Hall." Laid out Apr. 26, 1832; recorded in Plan Book 1, pp. 12–13. Allegheny County Recorder of Deeds 3778143.
