I don't like Eugene at all, but ukrainian and russian versions you presented speak to me more.
I like Yivhen on the same level as Yevhen and Yevheniy, but I don't remember what rating I did before... 4stars? 4-4.5 stars I guess
as for female version - Yevheniya>Yevgeniya>Eugenia>Yivha just because I can't get rid of "Yeeewhaaaw" cowboy sound in my head...
besdies my brain being silly, it sounds like cute diminutive for Yevheniya, I would get used to it if I met somebody named that.
Why not break up from today norm and use archaic version? Sometimes vintage comebacks are cool :D or will it then sound too much like grandpa's name?