I posted to find a Rev Joseph Patterson in Washington Co. Pa, 1780's.
A Genealogical Friend, posted some information back to me, confirming the tidbits I had heard and yet could not find.
Data was given in his own words to family.
John Patterson, to Robert Patterson b 1685 County Down, Ireland to Joseph and Robert his sons.
Rev Joseph Patterson, 2 Mar 1752 County Down, Ireland death 4 Feb 1832 Pittsburg, Alleghany Co. Pa. Minister
Jane Patterson daughter whom married Jacob DuVall.
Allegheny County PA Genealogy Jane Patterson wife of Rev Joseph Paterson Raccoon Chuch Cem Candor, WAshington Co. PA FAG M #66370347. This is Jane’s mother.
Jane's mother was also Jane. I will share as someone has shared with me if this is your line. Yes, they were in York Co. PA and Saratoga, NY earlier. Rev Joseph was in the Rev War twice.