M, b. 27 August 1768
Isaiah was born on Saturday, 27 August 1768 in Orange County, New York. He was the twin of Abigail. Isaiah married Hannah Horton
. 1800, Isaiah was listed on the U.S. Federal Census at the Town of Wallkill, Orange County, New York. Enumerated in this household were Isaiah Vail Jr. [211101:01100].2
The 1820 U.S. Federal Census enumerates at the Town of Wallkill, Orange County, New York, the family of Isaiah Vail [020100:01101].3
Isaiah's wife, Hannah, died before 14 May 1832 in Pennsylvania, leaving him a widower. Isaiah married 2nd Anna Vail
, daughter of William Vail
and Phebe Vail
, on 14 May 1832 in Orange County, New York.