Surnames of Interest to ME

My brickwalls are

Nancy, wife of Daniel Jennings (1770/75 VA - bef 1850 OH), maiden name thought to be Bryan; of Frederick Co., VA.

Sarah, wife of Samuel Ely (1782 NJ - ca 1834 OH), possibly DeWitt or Kline; of Northumberland Co., PA.

Parents of James Marshall (ca 1738 - 1783/97 PA) of Bucks Co., PA who married Jane Lindsay (or Lindsey); also parents of Jane.

Parents of Andrew Dixon (ca 1769 PA - 1850/1860 PA)