As far as you know,
Noa, has Ela ever been used as a name in Hebrew? I can't imagine that it could have been, with that male-monotheist tradition going back for millennia.
It could I suppose be used by non-Jews (or non-monotheists in general) if they liked; might even appeal to the sort of people who imagine that names regularly mean something like Moon
Princess of the
Forest! There's a romantic novelist where I live, sort of Afrikaans
Barbara Cartland, called Ela Spence, but in her case it's a nickname.