When Nicholas Caswell Thornton was born on 14 July 1880, in Jefferson, Tennessee, United States, his father, James Barnabas Thornton, was 35 and his mother, Sarah Proffitt, was 36. He married Thursa Birdie Lewis on 20 December 1913, in Jefferson, Tennessee, United States. They were the parents of at least 2 sons and 1 daughter. He lived in Civil District 8, Jefferson, Tennessee, United States in 1910. He died on 17 May 1926, in Jefferson, Tennessee, United States, at the age of 45, and was buried in Chestnut Hill Cemetery, Chestnut Hill, Jefferson, Tennessee, United States.
English and Scottish: habitational name from any of numerous places throughout England and Scotland so called, from Old English thorn ‘thorn tree’ + tūn ‘farmstead, estate’. The placename is most frequent in northern England, especially Yorkshire, where there are at least 16 possible sources for the surname.
Irish: Anglicized (translated) form of Gaelic Mac Sceacháin ‘son of Sceachán’ (see Skehan ).
Irish: shortened Anglicized form of Gaelic Ó Draighneáin ‘descendant of Draighneán’ (see Drennan ).