Hmmm, it's hard without any guidelines. Thinking about names you're less likely to know any of, how about:
Arabella, Aria, April, Bryony, Clarissa, Cassandra, Dana, Eliana, Enya, Fenella, Genevieve, Giselle, Genesis, Hayley, India, Juliette, Kayleigh, Lara, Lyra, Lucinda, Miranda, Melissa, Nyah, Ophelia, Piper, Rhiannon, Ruth, Robyn, Star, Sabrina, Stacey, Sydney, Samantha, Tegan, Taylor, Valerie, Verity, Xanthe, Yvette, Zia, Zillah.
Austin, Abraham, Benedict, Casper, Cosmo, Darren, Edwin, Fergus, Finnian, Gregory, Harley, Ivan, Joleyon, Kenneth, Leonard, Milan, Nelson, Nico, Owen, Preston, Parker, Quinn, Richard, Roman, Rowan, Spencer, Simon, Timothy, Tallon, Walter, Xavier, Zebediah.