The weight of history--the historical usage as either masculine or feminine--is unimportant to you? Are they unisex because you perceive them as words first and names second and English words are ungendered? What about names like Violet or Faith?
I'm not trying to be snarky or combative...I'm just trying to understand a POV that's very different from mine. It's difficult for me to understand how anyone could think April as fitting a choice for a boy as, say, John.