His sources:
1820 US Census, Anson Co., NC
Jackson Family File, 4 Feb 2005, Heritage Room, Monroe, Union Co., NC
Pension Application John W. Hill, Hulda Jackson Hill (widow), 18014, FN46NC North Carolina Archives, Register from Family Bible.
"Will of Jonathan Jackson", Anson Co., NC Wills Vol 1 (1790-1834), 32, 28 Mar 1794, Laura Willis.
170716, pg 1198, Ref 49709, LDS.