Beryl is not an exclusively Jewish name.
In “The Hound of the Baskervilles”
(written by Sir Arthur Conan Doyle in 1902 CE),
Beryl is the name of the villain’s wife.
WikiPedia (dot)org has an article titled Beryl_(given_name).
In this free article, there are dozens of people named Beryl,
and most of them are not Jewish.