Here's the information I have:
Birth 21 Apr 1831 in Livingston, Fayette, Kentucky, United States of America
Death 3 Oct 1909 in Unionville, Massac, Illinois, United States of America
His wife was Mary Ellafair Giles.
Here is a link to my family tree and Harvey Duvall's information. Feel free to download any information you need: http://trees.ancestry.com/tree/10338056/person/6959089592
If you happen to have any information on his grandfather, Elisha Duvall (Like Chancery Court Records) or Harvey's son, George Allen Duvall (Death certificate or cemetery.), I would appreciate it.