Was he born in 1739 as in the question or 1743 in his profile biography?
Did he die in 1776 or 1777?
Found three sons of Joseph and Bethiah (Wetmore) Bacon at Familysearch.org , but did not find a son named Daniel.
One son is Moses born 16 Oct 1747, also a Joseph bacon born 11 May 1735, and a daughter, Bethiah Bacon born 29 Jun 1733.
These three were all born in Middletown, Middlesex, CT.
"Connecticut Births and Christenings, 1649-1906," database, FamilySearch