I like both of these names, especially
Wren. For a mn, I would choose something recognizably feminine. From your list, I like
Lark Emilia /
Amelia and
Wren Verity. Suggestions:
Lark OliviaLark ElizaLark AureliaLark AnnabelLark IsabelleLark Astraea
Wren Sylvia (wren of the forest)
Wren VictoriaWren Eirlys (= snowdrop in Welsh)
Wren IsoldeWren Persephone