Hard to suggest without knowing what style you like.
I have a pretty varied style so I'll just throw all the names I really like out there for you:
Girls:
Annabelle, Arabella, Araminta, Angelica, Alexandra, Alexis, Amy, Ava, Avery, Addison, Aubrey, Arwen, Ayla, Aria, Aaliyah, Anoushka, Bryony, Bailey, Briar, Briley, Bronte, Brodie, Charlotte, Cerys, Celyn, Cassidy, Cassandra, Camryn, Darcey, Dulcie, Dakota, Etta, Enya, Eva, Ella, Eden, Erin, Ebony, Electra, Felicity, Francesca, Fallon, Grace, Giovanna, Georgina, Gabriella, Genevieve, Hannah, Hadley, Harleigh, Hayley, Honey, Isabella, Isabelle, Iona, Iris, Imogen, India, Jessica, Joanna, Juliette, Katie, Kayleigh, Kennedy, Kendall, Lyla, Lyra, Lauren, Matilda, Miranda, Melissa, Madeleine, Makayla, Madison, Mckenzie, Maia, Mila, Mala, Nicole, Natasha, Natalie, Naomi, Octavia, Ophelia, Pippa, Piper, Persephone, Rebecca, Rhiannon, Rhiannyd, Rosie, Seren, Sadie, Sophie, Sophia, Stephanie, Sasha, Savannah, Sienna, Sutton, Thea, Taylor, Taryn, Vanessa, Willow, Wren, Xanthe, Yvette, Zara, Zia, Zillah, Zipporah.
Boys:
Austin, Aiden, Aaron, Alfie, Archie, Benjamin, Callum, Christian, Dylan, Ezra, Elijah, Finn, Finley, Fitch, Felix, Gareth, Harris, Harrison, Harley, Harry, Henry, Isaac, Joshua, Joseph, Jack, Jake, John, Jonty, Jared, Luca, Logan, Morgan, Mason, Matthew, Milo, Nico, Nathaniel, Nicholas, Noah, Oscar, Patrick, Parker, Reuben, Spencer, Thomas, Tian, Talon, William, Xavier, Zachary.