Hello
I checked the SAR web site as well
EOFF, Isaac Private SC Pioneer Cem Beech Grove, Coffee County, TN 1761 1841 Revolutionary War Graves Register. Clovis H. Brakebill, compiler. 672pp. SAR. 1993. Also SAR Revolutionary War Graves Register CD. Progeny Publishing Co: Buffalo, NY. 1998 SAR appl 1 Knox, Margaret
Looks like someone is a member of the Sons of the American Revolution through his service. If you are interested in becoming a member let me know. I was a state registrar for membership.