David C. Irwin - Pedigree | FamilyCentral
 18 May 1823 - 2 Oct 1895
 20 Dec 1776 - 31 May 1849
 15 Jan 1783 - 16 Jan 1837
 Abt 1748 - Feb 1822
 Abt 1750 - 5 May 1823
 Abt 1747 - 1821
 1754 - 9 Jan 1829
 14 Apr 1720 - 26 Jul 1784
 Abt 1728 -
 Abt 1716 - 2 Jan 1797
 Abt 1728 -
 23 Feb 1707 - Aug 1777
 Abt 1708 - Feb 1804