My friend and local history aficionado filled me in on how Mammy seemed to slowly grow whiter and whiter with every repainting. The term 'mammy' itself, may call to mind a vision of a time when blacks were often hired out as servants by whites (as evidenced by numerous Three Stooges shorts), with the mammy specifically tasked with taking care of white children. Interestingly enough, I found through some digging around that Mammy wasn't originally intended to be portrayed as black, but rather as a white Southern belle-type figure.
Mammy had started to fall into repair by the end of the century, but has fortunately survived and has been restored. No matter what color skin Mammy has, or what negative connotations are often affixed to her name, she remains as a fine example of roadside Americana folk art.
Somewhere outside of Natchez can be found this amazing display of an alternative universe where frogs rule and drink mojitos at tiki bars: