Have you written to the county clerk or TN archives, to see if there is a Will on file?
Other than the 1830 census and cemetery list there isn't much info on him.
Good luck in your search.
1830 census
Thomas Collier Dickson, Tennessee 2 9 13 29
1 between age 60-69)
http://files.usgwarchives.org/tn/dickson/cemeteries/collier....COLLIER CEMETERY, DICKSON COUNTY, TN, Charlotte, TN