Greetings Do you find a Mary Dodson b.Dec.17th,1755. "born in Meriland, right accross the Potomac River near Harper's Ferry, where the seat of war was in this last struggle" She married William Riggs c1773 and they settled in Washington Co., PA. She is my GGGGGrandmother--The Family has been misspelling her name for years (Dowden)