I have a William Driskell that came from Kinsale Cork county, Ireland around 1660 to Somerset county, Maryland. He had a son Dennis Birth 1680. Had a plantation there "called Kingsail". Some of his children made there way to Campbellsburg,IN. He had a brother named John birth around 1700. Your right the name has changed spelling many times so it is hard to know what is the right line to follow. I can go back to Moses Driskell birth 1689 for real. His father so the story goes could have been Dennis who had a brother John with a father william.