It's a German name, a lot of Jews have German names because the Jews who lived in the German Principalities were required to buy German last names from the Princes. Any Jewish name in the German language obviously is a German name adopted by the Jews.
Additionally, the Jewish language of Yiddish is a dialect of Old German.
Although it is not a Jewish surname in its origin, any name can be a Jewish name if it is the name of a Jewish person
Although Howell is not a stereotypically Jewish surname, any name can be a Jewish name if it is the name of a Jewish person.
Although Salada is not a Jewish surname in its origin, any name can be a Jewish name if it is the name of a Jewish person.
Himmler is not a Jewish Surname according the Jewish Surname list of 37,000 names.
The name Lewis is a surname for some Jewish families but it is also a surname for some non-Jewish families.
Zarate is a Jewish surname
Sandoval is a Jewish surname, it is Sephardic.
If there are Jews who use the surname Andrews, then Andrews is a Jewish name. There are, in fact, few if any names that are exclusively Jewish. Even Cohen is an Irish Christian surname as well as a Jewish name.
Linguistically, the name is German. (It means judge in German).
Yes, the name Milner derived from the name Jewish surname Melner around 1000 years ago
Yes. Stern is a Jewish surname.
Yes, a Sephardic jewish surname.