My oldest Pierce is Job Pierce, bn abt 1800, Pa,...married to Elizabeth Callihan, bn abt 1810,..also Pa. They resided in Allegheny Co Pa most of their lives. They had several children,...including Jeremiah W., Issabella, Elizabeth, Mary,....??? They were located in East Deer twp of Allegheny Co during the early and mid 1800's. Please contact me if you even think you may have a connection,...willing to share alot of information I have on several Pierce's,..some connected,..some not. Ron Pierce