"Plan of building lots situate in the 20th Ward City of Pittsburgh near Roup Station P. R. R. laid out for M. O'Hara Esq. at the request of Mrs. Frances A. O'Hara." Laid out Dec. 1871; recorded July 19, 1872, Plan Book 4, p. 242. Allegheny County Recorder of Deeds 3779002.
