David Walker was born about 1695. His wife's name was Mary. They had a son, Alexander, born abt 1714 in Malin, Donegal Co., Ireland. Alexander also married someone named Mary, in 1739 in Ireland. he died 1 May 1775 in Franklin Co. PA. His wife, Mary, was born abt 1718 and died 16 Oct. 1774, also in Franklin Co. They had a son, David, born abt 1749 in Forks of the Brandywine Creek, Chester Co. PA He married Elizabeth Elliott (daughter of John Elliott) before 1772. David died 25 March 1824 in Burnt Cabins, Fulton Co. PA. Elizabeth died in 1817. They had a daughter named Mary, born 17 Jan 1810 and died 9 SEpt 1900 in Dubuque Co. IA. She married James S. Hamilton. If any of this sounds familiar, email me! Thanks!