Looking for any information re: THOMPSON/TOMPSON/TOMPKINS possibly in SchuylerCo,NY. My gggrandmother, Sarah Adelaide Thompson, b. 1842, d. 1874, in Branch CO MI, father: David Thompson may have been from Schuyler or Steuben Cos., NY> David m. Emily WELLS daughter of Henry JACKSON WELLS, CT>Saratoga, NY>MI. This is a "dead end" line and any help would be appreciated. Thank you