survey doesn't mention dates of birth or death on headstone.
JESSE GRIGG FAMILY GRAVEYARD
This family cemetery is located in No. 9 Township, Cleveland County, N.C. a quarter of a mile northeast of Lawndale on a high hill overlooking First Broad River and in plain view of the industrial town of Lawndale, N.C. It is situated on a high hill and surrounded by cultivation except on the north which has a patch of woods. It is oval shaped and about 20 x 60 feet.
Owner of Cemetery: No given
Approximate number of marked graves: 2
Unmarked graves: 20
Earliest marked grave: Sarah Charlotte O'Neal, d. July 2, 1830
General condition of cemetery: Grown up in shrubbery and small trees.
Date of survey; Dec. 13, 1939
Workers: Forrest B. Williams and Anson G. Melton
Inscriptions:
Grigg, Jesse Pvt. Thomas' Co. 6 Va. Mil. War 1812
O'Neal, Sarah Charlotte, d. July 2, 1830
Aged: 13 mos., 24 ds.
https://www.ncgenweb.us/cleveland/cemeteries/Jesse_Grigg_Family_Cemetery.txt This was on profile
if he died in 1799, he couldn't be in war of 1812, plus he would have been 80 years old, much too old for war.