Roster of Confederate Soldiers, 1861-1865 shows:

Wilson, Edward GA 39th Inf. Co.A
Wilson, Edward GA 3rd Inf. 1st Co.I
Wilson, Edward GA Lt.Arty. Milledge's Co. 1st Sgt.
Wilson, Edward G. GA 1st (Olmstead's) Inf. Co.C
Wilson, Edward W. GA 57th Inf. Co.G Sgt.Maj.

and then there is:

Wilson, E. GA 19th Inf. Co.G
Wilson, E. GA 20th Inf. Co.G
Wilson, E.A. GA Cav. 29th Bn.
Wilson, E.G. GA 1st (Symons') Res. Co.C
Wilson, E.G.N. GA 1st (Fannin's) Res. Co.G
Wilson, E.J. GA 16th Inf. Co.K
Wilson, E.M. GA 13th Cav. Co.F
Wilson, E.M. GA 16th Inf. Co.F
Wilson, E.M. GA 38th Inf. Co.K
Wilson, E.N. GA 18th Inf. Co.M
Wilson, E.N. GA 28th Inf. Co.F
Wilson, E.N. GA Cobb's Legion Co.D
Wilson, E.W. GA 13th Inf. Co.A
Wilson, E.W. GA 5th Cav. Co.I Sgt.
Wilson, E.W. GA Cav. 2nd Bn. Co.A Sgt.
Wilson, E.W. GA Cav. 8th Bn. (St.Guards) Co.D

Perhaps you can weed out the one's you know are not your ancestor and someone else can fill in the blanks as to where the remainders were recruited form.