Isaiah was born about 1770 in NC, the son of Joseph Dunagan Sr. and Sarah Unknown.
He died about 1813 in Madison County, IL.
Isaiah Dunagan (c1770-c1813)
Joseph Dunagan Sr. (1740-1810)
Thomas Dunagan (1706->1782)
William Dunagan (1670-?)
Sarah (-?)
Sarah (c1706-?)
Sarah Unknown (-?)