There are two entries in the family Bible which apparently refer to Isaac Youngs, Jr.  One, in a straightforward listing of births, gives 9 March 1783.  Elsewhere in this record is a statement that this Israel Youngs was born 24 January 1784, or ten months and fifteen days later.  It is possible that the second date is correct, and that there were two sons of the same name, the first dying young. The birth record, however, lists only one son Israel.

       He married in the First Church, Huntington, L.I., 8 July 1812, Esther ...