Census-Online.com - census transcriptions for  Greenville Co.
Greenville County, SC GenWeb Project collection of online resources for genealogy researchers
Interment.net - cemeteries of  Greenville Co
Greenville County 1790 Census
Greenville Co. Genealogy Forum read and post messages about your ancestors for this county
Greenville Co.1840 Census
Greenville Co. The 16th South Carolina C.S.A.
US GenWeb Archives for Greenville County cemeteries, newspapers, wills, military rosters etc recorded online here
World War II Honor List of Dead and Missing Army and Army Air Forces Personnel - Greenville County page1 , page2 and page3

Additional Resources

South Carolina Newspaper Search enter your ancestor's name to instantly search the world's largest newspaper archive; over 12 million newspaper pages
South Carolina Birth Records
South Carolina Marriage Records
South Carolina Divorce Records
South Carolina Death Records