Georgia BucK was sung by Bascom Lamar Lunsford.

Three musical scores are given in F. C. Brown, "North Carolina Folklore," vol. 5, "The Music of the Folk Songs," ed. J. P. Schinhan, no. 500, pp. 323-325
One score is from Lunsford, the others from Mrs. Silas Buchanan and from Miss Jewell Robbins; North Carolina.

Additional texts in Brown, vol. 3.

I can find no reports of other than white versions of the song, but many of these songs were common to both groups.
Also see Traditional Ballad Index
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Contrary to the post by Azizi, Buck is not an uncommon surname in England, esp. in Hereford and Worcester. Like Lyon and Bull, it probably has its origin in armorial bearings. it is very old.

As a first name, it often is an abbreviation of Buckley and the other English names beginning with 'Buck...', many people named Rogers used to be given the nickname 'Buck' after the space hero; uncommonly related to 'buckaroo,' possibly the horse opera hero Buck Rogers but I haven't looked into the etiology of his name.

'Buckra' was commonly applied to white men by African blacks; J. R. Russell, 1848, "Dictionary of Americanisms." In Jamaica, it means light-skinned, as well as white, and also is applied to the ruling or upper class. Blacks in the U. S. have turned it into a disparaging term.