I can answer the first question: from talks with Israeli friends, I think names like
Zipporah and
Yakov are mainly favoured by Orthodox Jews, while secular ones aren't so keen on them.
*BtN's resident 10th century Japanese novelist*
My lovely !!! are
Mehitabel,
Hypatia and
Zohar.
"A tuo ammaestramento. Sai tu qual sia, in questa nera valle, la risultanza di ogni sforzo e sacrifizio umano? Calci, nel deretano."
Brancaleone da Norcia