No it is not Austrian, it is actually a German and Ashkenazic Jewish surname
Brane Gruber's birth name is Gruber, Branko.
Astrid Gruber's birth name is Astrid Cristancho Gruber.
Bruce Gruber's birth name is Bruce Barrett Gruber.
Kelly Gruber's birth name is Kelly Wayne Gruber.
Ruth Gruber's birth name is Ruth Ellen Gruber.
Mapuana Parker
Lilli Gruber's birth name is Dietlinde Gruber.
Father Josef Mohr, an Austrian priest wrote the lyrics.Franz Xavier Gruber composed the melody.
Scarlet Gruber's birth name is Scarlet Alexandra Fernndez Cristancho.
An Austrian name typically reflects the country's rich cultural heritage, often influenced by German, Hungarian, and Slavic languages. Common Austrian surnames include Müller, Schmidt, and Gruber, while first names like Lukas, Anna, and Lena are also prevalent. Many names may have historical or regional significance, showcasing Austria's diverse traditions and history. Additionally, names might vary by region, reflecting local dialects and customs.
There is no such language as "Austrian" but if you mean German, the name James is spelled "Jakob" in German.
Gregor Mendell was an Austrian Monk, living in a monastary in Austria. He was religious and did his work since he was the gardener of the monastary. Therefore since he was Austrian, the name Mendell is an Austrian name.