There used to be a place in the Detroit area. I only went there once as a kid so I don’t know what it was called, where it was or if it is still there.
The idea was that you were eating at home. So nothing matched. The chairs at the table would be of different sorts, each plate at the table would have a different pattern and your silverware would have different designs.
They had the best deep fried onions. (not rings, they were stringy, but incredibly good)
Before they changed the decor, a local seafood place (Seattle Crab Co.) had their walls decorated with dried crab shells and seaweed. That would have been fine, except all of the crab shells had little faces on them, made up of eyes, mouths and noses cut out from magazines. It was extremely creepy.
Bah, Claim Jumper, that was one of the ones I was trying to think of when I first posted to this thread. I went to the one in Southcenter, but it was too crowded (it’s always crowded!!) so we left and went to Tony Roma’s instead… but not before I got a good gander at all those… antler-y things hanging from the ceiling. It was a little weird.
Whereabouts is this Celtic Bayou? Sounds like my kind of place, considering where I’m from in New Brunswick, we’re all pretty much of “Cajun-Irish” descent! 
I could go for some good shrimp etouffe about now, and hubby can’t take too much spicy food, but he loves him some sausages. I don’t think he’s ever had a good banger, he keeps buying those packaged sausages by Jimmy Dean - they’re good, but they’re just not real. Oh! Oh! Did they have any treacle bread? It’s…been… ages since I had any treacle bread!
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Yeah, I go to that place occasionally. Food’s decent, not great but good, but I’m sorely disappointed they got rid of the crab heads. 
Anastaseon — The Celtic Bayou is on the Eastside. I don’t recall one way or the other if treacle bread was on the menu.
The Strand, in Lemont, IL. I’m not sure if it’s still there. The whole place was furnished with antiques, which were for sale. So basically it was a restaurant in an antique store. Or an antique store in a restaurant. They had Cajun music on weekends, and they had some Cajun items on the menu, but they experimented for a while with an Italian buffet.