Pierre Bang ?????

Hi, I have just started trying to research my roots. I don't have much info, as most of my family who would know are deceased. I did manage to find out that my Maternal Great Grandmother was a Bang. Her name was Martha Luella (Maiden name Bang)(Married names:Guiher,McGinn). She had a daughter (my grandmother) named Mary Jane Guiher/Belton, not sure of other children. Her mother's name was also Martha but uncertain of her maiden name. Her Father's name was Pierre Bang. I was told that they were from MS possibly Vancleave area. Any chance one of you might have some info on this line of Bang's? Anything at all would be greatly appreciated.