Thomas C Gragg was born in 1820, in Cocke, Tennessee, United States, his father, Thomas Gragg, was 26 and his mother, Elizabeth McMurtry, was 27. He married Martha Cunningham on 1 January 1844, in Greene, Tennessee, United States. They were the parents of at least 2 sons and 2 daughters. He lived in Polk, Tennessee, United States for about 10 years. He died on 11 November 1892, in Cundiff, Jack, Texas, United States, at the age of 72.
https://ancestors.familysearch.org/en/GM6X-7N5/thomas-c-gragg-1820-1892