LOOKING FOR INFO ON LEWIS F.KNIFFIN-M.-ELIZABETH BIRD-B-ABT.1800-N.Y.-HAD CHILDREN-ISAAC LEANDER-ANNA M.-LEWIS L. AND ALANSON.LIVED IN HORNBY,N.Y. AND ARE LISTED ON THE 1850 CENSUS AS NIFFIN AND THE 1860 CENSUS AS KNIFFIN. COULD SURE USE SOME HELP...