You might find David Collier in the REcords on FamilySearch Search Catalog Enter United States, Tennessee, Overton
A list of records will appear. Some of them are books that you'll have to ask your local public library for via inter-library transfer. Others are documents that you'll have to scroll through to find his name.
I tried to send them to your email address but it didn't go through. On Sept 5 Genforum will be come a read-only web site. You can post your queries on www.ancestry.com Collaborate Message Boards Successful Searching!