John W. Gragg was born about 1816, in Greene, Tennessee, United States, his father, Thomas Gragg, was 23 and his mother, Elizabeth McMurtry, was 24. He married Sarah Sally Holt on 27 September 1842, in Greene, Tennessee, United States. They were the parents of at least 5 sons and 5 daughters. He lived in Tennessee, United States in 1870. He died in 1880, in Cocke, Tennessee, United States, at the age of 65, and was buried in Parrottsville, Cocke, Tennessee, United States.
https://ancestors.familysearch.org/en/9WXL-WFK/john-w.-gragg-1816-1880