Source:Samuel-p-hollis-heirs-plan

From Pittsburgh Streets

"Plan of lots situated in Lower St. Clair Twp. Allegy. Co. Pa. laid out for the heirs of Samuel P. Hollis." Laid out Aug. 1890; recorded Sept. 21, 1891, Plan Book 12, pp. 40–41. Allegheny County Recorder of Deeds 3780627.