I have sort of addressed this in one of my annotated bibliographies, but, the biggest “but” in my paper would be about the controversy of Marie Laveau. One of my primary sources is written by a New Orleans citizen, and she talks about how Marie Laveau is just a woman who took advantage of the Voodoo trade. She also talks about how there is no such thing as a Voodoo Queen, while a great deal of my other sources refer to Marie Laveau as the Voodoo Queen. I am not sure how I will address this information. Marie Laveau is one of the most famous women in Voodoo, so even though she may be a “fake” I think it is still important to consider her contributions to Voodoo. (The article that I read that disputed her abilities is reliable, but still had a sort of angry tone to it, so it could possibly be biased. It almost appeared to be written in a time of frustration, or maybe that was just how I perceived it.) Even still, Marie Laveau did manage to make everyone think she was a Voodoo Queen, all while raising 15 children, which I think is pretty admirable. There is no reason to dispute the fact that she did spend a lot of her life helping the poor, the jailed, and the elderly, and even though her spells or powders may have been fake, she gave hope to people, which is just as helpful as real powers. While this is a pretty important “but”, I don’t think it will greatly affect my paper, because of the fact that Marie Laveau still helped many people.
My Interesting English Life 
I’m inclined to encourage you to try a third option: rather than deciding whether a voodoo queen does or does not exist, or whether Laveau counted as one, it might be more useful for you to examine the ways that the “voodoo queen” is portrayed in popular culture. Is the idea a stereotype or cliche used to convey a certain kind of Creole danger? Is the character a well-rounded individual with a good sense of their own religious beliefs, attitudes, frustrations? Or could the character by easily substituted by a magical lamp with sex appeal? In these depictions, is Creole culture treated seriously, or are a few references to food and music along with depictions of exotic clothing considered sufficient signals?
Have you read any voodoo stories by people in the culture? Or are most of the ones that you’ve seen–including American Horror Story– written by people from outside of the culture who don’t really grasp its intricacies? Though this is kind of peripherally related, you might find it useful: http://www.buzzfeed.com/danieljoseolder/fundamentals-of-writing-the-other#.mdm304e1k
(Daniel Jose Older, the author of that list, has a male character who runs a voodoo/magic shop in his book Half-Resurrection Blues, and its sequel Midnight Taxi Tango. I think there is also a voodoo ghost who is a woman. Maybe of interest?).
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