This is a link to a lot of information in Washington County, Pa.
Many listings of at least 5 cemeteries.
Listings of Newspapers early.
Give it a try and learn more about your ancestors.
Remember Washington Co. was a part of Westmoreland before becoming it's on county.
Remembering also that Greene Co. was a part there of as was Fayette Co. when
Westmoreland Co was the parent county.
Then you have to remember Virginia was part time caretaker of some of this region prior to the 1790's. Many did not recognize PA as parent state because they did not like that states laws verses Virginia's.