Rev. John Barnett (James 1) was born on 14 Apr 1790 in South Carolina, died on 25 Jun 1854 in Lyon Co., Kentucky at age 64, and was buried in the Barnett Cemetery in Lyon County.
John a, Primitive Baptist preacher, was named in a lawsuit against the heirs of James Barnett in 1825 in Caldwell Co., Kentucky. John Barnett appears in Caldwell County as head of household in both the 1830 and 1840 U.S. censuses. In the 1850 U.S. census John was a farmer and head of household still in Caldwell Co., Kentucky. In 1854 part of Caldwell County was used to form Lyon Co., Kentucky which is where John died.
John married Leah Howard, daughter of Groves Howard and Catherine Graves, on 1 Oct 1817 in Daviess Co., Kentucky. Leah was born on 11 Sep 1796 in Caswell Co., North Carolina, died on 20 Aug 1856 in Lyon Co., Kentucky at age 59, and was buried in Barnett Cemetery in Lyon County.
John and Leah (Howard) Barnett were the parents of eight children:
- Nancy Barnett, b. 1818, d. 1906
- Lucinda Barnett, b. 1819, d. 1896
- John Franklin Barnett, b. 1822, d. 1840
- Green Graves Barnett, b. 1824, d. 1826
- William Henry Barnett, b. 1827, d. 1859
- Sarah Barnett, b. 1829, d. 1901
- Julia Ann Barnett, b. 1833, d. 1925
- Robert Calvin Barnett, b. 1836, d. 1914
 William P. Oliver, “Selected Caldwell County Deed Abstracts – 1815 – 1853,” database, USGenWeb Archives (http://files.usgwarchives.net/ky/caldwell/deeds/deeds-001.txt : 6 Mar 2009), accessed 6 Mar 2009), entry for suit of Jeremiah Rucker aga inst the heirs of James Barnett; citing Caldwell Co. Deedbo ok D, p. 389 – 390.
 1830 U.S. Census (Digital images. Ancestry.com (http://ancestry.com)), Caldwell County, Kentucky, John Barnett household; citing NARA micropublication M19, roll 34; accessed 26 Aug 2015 and 1840 U.S. Census (Digital Images. Ancestry.com (http://ancestry.com)), Caldwell County, Kentucky, John Barnett household; citing NARA micropublication M704, roll 106; accessed 26 Aug 2015.
 1850 U.S. Census (Digital images. Ancestry (http://ancestry.com)), Caldwell County, Kentucky, population schedule, Second Dist rict, page 393 [stamped], dwelling 778, family 778, John Ba rnett household; citing NARA micropublication M432, roll 19 4; accessed 7 Apr 2011.
 Dodd, Jordan, Kentucky Marriages to 1850 (Provo, Utah: Ancestry.com, 1997), Barnett-Howard marriage (1817).