16 May 1744 - Birth of his biological father Jeremiah O'Rear at Prince William County, Virginia, USA 

1762 - Marriage of parents at Prince William County, Virginia, USA 

1763 - Birth of his biological mother Nancy Catlett at Covington, Kenton County, Kentucky, USA 

12 Oct 1765 - Birth at Fauquier County, Virginia, USA 

07 Jun 1776 - (10 years) Birth of his wife Tamar Calk at Boonesborough, Madison County, Kentucky, USA 

24 Apr 1796 - (30 years) Birth of his son Daniel O'Rear at Fleming County, Kentucky, USA 

09 May 1798 - (32 years) Birth of his daughter Sophia O'Rear at Montgomery County, Kentucky, USA 

Dec 1798 - (33 years) Death of his biological father Jeremiah O'Rear at Boonesborough, Madison County, Kentucky, USA 

1800 - (34 years) Death of his biological mother Nancy Catlett at Montgomery County, Kentucky, USA 

12 Sep 1803 - (37 years) Birth of his son Marquis O'Rear at Montgomery County, Kentucky, USA 

13 Jun 1805 - (39 years) Birth of his son John O'Rear at Montgomery County, Kentucky, USA 

13 Jun 1805 - (39 years) Birth of his son Newton O'Rear at Montgomery County, Kentucky, USA 

10 Apr 1808 - (42 years) Birth of his daughter Nancy O'Rear at Montgomery County, Kentucky, USA 

07 Feb 1813 - (47 years) Birth of his daughter Sarah O'Rear at Montgomery County, Kentucky, USA 

25 Aug 1847 - (81 years) Death at Montgomery County, Kentucky, USA 

1852 - Death of his daughter Sarah O'Rear at Quincy, Owen County, Indiana, USA 

15 Oct 1860 - Death of his son John O'Rear at Quincy, Owen County, Indiana, USA 

06 Aug 1865 - Death of his wife Tamar Calk at Montgomery County, Kentucky, USA 

19 Aug 1870 - Death of his son Marquis O'Rear at Quincy, Owen County, Indiana, USA 

1870 - Death of his daughter Nancy O'Rear

11 Nov 1871 - Death of his son Daniel O'Rear at Camargo, Montgomery County, Kentucky, USA 

1894 - Death of his son Newton O'Rear