- We've talked about the most common, and the least Cajun last names in Acadiana, now it's time to take a look at some of the fantastic Cajun first names. Rick Diamond, Getty Images 2013 New Orleans Jazz & Heritage Music Festival - Day 1Authentic Cajun NamesWe asked you on Facebook to tell us about the most Cajun first names you've ever heard, and you certainly came through with hundreds of comments. Facebook Cajun First NamesWe weren't looking for Cajun nicknames, at least not yet, so to the best of our knowledge the names included here are indeed real first names. We put together this list using a mix of the popular ones and the more unique, rare Cajun first names. There are so many fantastic Cajun names on this list, but unfortunately, the majority of them aren't really being used anymore.