The name Anderson is Swedish, "son of Anders", and is one of the most common names in Sweden.
Andersen, Andersson, are other related names from nearby Scandinavian countries.
Look in the link I will place below.
Ethnicity of surname amyx
It could be any ethnicity, actually.
Arpaio can be a Gentile or Jewish surname
Chinese
Turkish
jewish
daleb
Austrian
Dutch
German
irish