GA Military Records
Civil War
GA Civil War Project at the American Local History Network website
Women's Civil War Diaries: an Index of Southern women who kept diaries during the Civil War and where their diaries are currently housed (some of which are in Georgia archives).
There were Stewart County men in the following regiments:
Georgia Confederate Muster Rolls
Information on a history of the 17th Regiment
Also see: Linda's History of The 17th Georgia Infantry Regiment
World War I
Search records at DistantCousin
WWI Records at the National Archives
World War II
The National Archives has two series of books for casualties of WWII. Digital copies of the pages of these books are available at the National Archives Web Site (see links below).
The Georgia alphabetical list of military personnel by GA town "home of record" from the National Archives web site who died from hostile action (including missing and captured) in the Korean War, 1950-1957. The state alphabetical list of these military personnel by surname can be found here.
Vietnam War
The Georgia
alphabetical list of military personnel by GA town "home of record" from the National Archives web site who died from hostile action (including missing and captured declared dead) as a result of the Vietnam conflict, 1957-1995, deaths as of November 1997.
The state alphabetical list of these military personnel by surname can be found here.