On December 2, 1819, Thomas married Sarah Bush Johnston, a widow from Elizabethtown, Kentucky, with three children of her own.
ˌɔn dᵻsˈɛmbɚ tˈuː, wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd nˈaɪntiːn, tˈɑːməs mˈæɹid sˈɛɹə bˈʊʃ dʒˈɑːnstən, ɐ wˈɪdoʊ fɹʌm ᵻlˈɪzəbəθtˌaʊn, kɛntˈʌki, wɪð θɹˈiː tʃˈɪldɹən ʌv hɜːɹ ˈoʊn.