http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=dennis7449&id=I05357 "Monongalia County Marriage Bond: 24 May 1817; Samuel Jackson; Bride Mary Miller, daughter of Peter Miller; Bondsman: Henry Miller." Based on author's tree I believe he meant to say Bride was Nancy Miller, dau of Peter and Mary Miller.
West Virginia, Marriages Index, 1785-1971 Name Samuel Jackson Gender Male Spouse's Name Nancy Milla Spouse Gender Female Marriage Date 1817 Marriage Place Monongalia, West Virginia, United States