I have Ebenezer Dann who married Susan S. Williams abt 1843 in Colechester, NY. Delaware Co.Son Lester Dann born June 1851 same town and Co.. Lester Dann married Betsy Annette Gleason abt. 1872 NY.They have a daughter Cora May Dan born September 14, 1873 Martin Co., MN. Died June 1, 1857 in Wadena, Co., MN. Could these Dann's be of your Dann family?