I may have some information on David Drennan b. 1774 Camden District, York Co. SC., who married Sarah/Mary Robinson. David is my 3rd Great Grand Uncle. His father is John Drennan, b. 1740 Pa., d. 1816, Wilson Co., Tn. According to my records David die about 1840 in Madison Co., Ill.I have the following children listed: Elizabeth, James, John, Charles,William, Harvey and Hinson.