I think of Kerry as quite a late 80s/90s name. I don't think I know any younger than their early 20s. Sure it must be very unusual now.
Similar (ish) ideas:
Amy, Alison, Amber, Asha, Adele, Andrea, Angela, Brooke, Bethany, Billie, Bryony, Claire, Carly, Casey, Caroline, Christine, Courtney, Chelsea, Danielle, Demi, Dana, Diana, Emma, Eloise, Fiona, Gemma, Hazel, Holly, Julie, Jade, Jasmine, Jodie, Jackie, Jenna, Jamie, Jennifer, Joanna, Jordan, Kate, Katie, Kelly, Kylie, Kelsey, Keeley, Kayleigh, Kimberly, Karen, Lucy, Laura, Lauren, Leanne, Leah, Lisa, Marie, Monica, Megan, Melanie, Maxine, Nicole, Nicola, Nikita, Nadine, Paige, Rebecca, Rachel, Ruth, Sarah, Samantha, Stephanie, Shannon, Sharon, Stacey, Shelley, Stella, Shelby, Susannah, Suzanne, Tara, Tiffany, Tina, Valerie, Vivienne, Victoria, Wendy, Zoe.