Looking at my previous post, I think that the Cajun connection is too much of a reach. But I would be interested in knowing where the Cajuns got there version of "I Married A Carpenter" aka "The House Carpenter."

I came across this first page of a journal article - I can't access the whole article - that prints the tune for "The Banks of the Sweet Viledee" that Brian and Jim mentioned above:

http://www.jstor.org/pss/20522501