"Only in the UK are Old Testament biblical names traditionally used (and still not by the
Royal Family) — this is the case of the names mentioned by OP, who was questioning why these names aren’t used in continental
Europe."
But they are used in continental
Europe.
Jonathan/Nathan,
Benjamin,
Samuel,
Daniel,
Aaron,
Jeremias,
Adam,
Jakob,
David,
Michael, Emanuel/Immanuel ... have a long tradition in Germany.