Who sings the song "I'm a Good Ole Rebel" that is in a lot of Civil War movies?

Answer 1

Believed to have been first sung by Harry Allen of the Washington Light Artllery
of New Orleans about 1865. It has also been attributed to Major Innes Randolph.

Hoyt Axton has done a more recent version that appeared in some old westerns.The second link is his version with lyrics and him singing ! Cool Song !
Hope this helps !
Below is a link to the lyrics and the song !

Answer 2

http://www.dixiescv.org/ole-rebel.html