Is Kahn an Ashkenazi name or a German name?

Question:

Is Kahn an Ashkenazi name or a German name?

Best Answer - Chosen by Asker: Kahn definitely is a German name, there even is the noun Kahn, "ein Kahn" is a little (wooden) boat.

So as many family names derive from nouns or professions, some of XX Kahn s ancestors could have been ferrymen or they were simply known for owning one of these boats.