You've got a lot of replies already so I've gone to the unusual end in the hope of avoiding repeats:
Aphra, April, Avril, Aoife, Ailsa, Alba, Bronte, Bethan, Belen, Celyn, Cleo, Clea, Casey, Carmen, Dana, Dina, Delphi, Dulcie, Effie, Etta, Enya, Esther, Eilidh, Fallon, Giselle, Gretel, Gemma, Hebe, Hester, Honor, Honey, Ingrid, Irma, Inez, Jordan, Jodie, Kiki, Kendra, Kiran, Lena, Lana, Mika, Mala, Nyah, Nova, Opal, Odette, Pippi, Posy, Remi, Rivkah, Romy, Rowan, Rhiann, Sadie, Sylvie, Taryn, Tegan, Tamsin, Una, Vashti, Veda, Vita, Willa, Xanthe, Zeryn, Zia