Source:Devon-plan
From Pittsburgh Streets
"Plan of the subdivision of Devon: Comprising 225 acres: Situated in the 22rd [sic] Ward City of Pittsburgh and Wilkins Township Allegheny Co. Pa.: Laid out for Jas. A. Hutchison Trustee under the will of Wm. Wilkins Dec'ed." Laid out Apr. 1872; recorded Oct. 1, 1872, Plan Book 4, pp. 304–305. Allegheny County Recorder of Deeds 3779036.
