Whatever you do, don't look them up on FreeRepublic!!!
As for Hobbits being Calvinists, well, as the resident Arminian (at least the admitted one) of The Hobbit Hole, I'll give as much to say that Tolkien's works are so universal in nature that one could, yes, infer that from the works. But I bet Tolkien would disagree...
I like this phrase.