If they're not in Japan. Lost Tribe has been gone for awhile. Entertaining posts, but way too long. I don't remember CeltJew
The curious thing about Iceland is their naming system. I don't know how common it is around the world (it's out of place in Europe, anyway), but it is structured in the same manner as the Biblical tradition.
Example: Þor, son of Einar, would have that as his name: Þor Einarsson. A daughter Áma, would be Áma Einarsdottir.