I don't think Jena would actually have been a male name. I'm guessing it's an abbreviation of Jehannes or something like that. It's not a very good list, tbh - too standardised and too limited in scope.
My favourite which isn't currently in use would be Ibot.
https://nanowrimo.org/participants/christine-seaforth-finch
http://christineseaforthfinch.blogspot.com/