Thomas Davis was born 1 November 1797 per bible record. his tombstone says 2 November 1797.

According to Thomas Davis Bible Record, Thomas was married to Zilphia (maiden name unknown)on 18 December 1817 in Tennessee. Zilphia was born 21 March 1800, d. 1840/1850.

They had the following known children:
1. Mary Ann Davis b. 1821 in Tennessee, d. abt 1851, married (1) James Wilson (2) Alfred C. Hicks
2. Nancy H. Davis b. 1824 in Tennessee, d. 28 October 1896 in Texas, married Alexander Sheldon Vaughan
3. William Brownlow Davis b. 7 February 1831, d. 19 February 1831
4. Martha Davis b. 2 September 1833 in Missouri, d.??(after 1880 in Texas?), married George D. Smith
5. James G. Davis b. ??, d. 17 September 1834
6. John H. Davis b. ??, d. 16 July 1836
7. Lumima Davis b. 16 April 1839 in Missouri, d. 19 June 1911, married John Harvey Tyree

Thomas married 2nd, Elizabeth Jane Hicks in Osage Co, MO on 30 August 1850.
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Home in 1880: Dry Creek, Maries, MO
Thomas Davice 82 m/w TN
E.J. Davice f/w 55 TN
Rachael Davice 23 f/w MO
Elizabeth Davice 32 f/w
Mary Davice 15 f/w MO
Nina Baugh 5

Home in 1870: Dry Creek, Maries, MO
Thos Davis 72 m/w MO
E J Davis 43 f/w MO
Lucy Davis 14 f/w MO
Elizabeth Davis 12 f/w MO
Racheal Davis 13 f/w MO
Mary Davis 5 f/w MO
Mc Kinny Newbery 13 m/w MO

Home in 1860: Osage Co, Washington Twp MO
PO: Westphalia
Davis, Thomas, 62, Tennessee
Davis, Jane, 25, Tennessee
Wilson, Thomas, 18, male, MO
Wilson, Caroline, 15, female, MO
McQueen, Maria M, 12, female, MO
Hicks, Polly, 10, female, MO
Davis, Allen, 8, male MO
Davis, Lucy, 5, female, MO
Davis, Rachel 3, female MO
Davis, Elizabeth, 2, female, MO
Assebrok, Louis, 30, male, Prussia

Home in 1850: Osage Co, Jefferson MO
Davis, Thomas, 52, male, TN
Davis, Martha, 16, female, MO
Davis, Jemima, 10, female, MO
Wilson, Zilpa, 4, female, MO
McQueen, Maria, 3, female, MO

1840 Missouri, Gasconade County - Federal Census
Davis, Thomas
Males 40/50 1 (Thomas Davis)
Females under 5 1 (Lumima Davis)
Females 5/10 1 (Martha Davis)
Females 10/15 1 (Nancy Davis)
Females 40/50 1 (Zilphia Davis)

Mary Ann Davis married James Wilson on 19 April 1840 not in Thomas Davis Household in 1840