hmmm, Lincoln ... I'm thinking contemporary, non frilly and possibly more popular in America than UK type names?
The only Lincoln I know has a brother called Dexter but no sisters.
ummm, how about:
Avery, Addison, Amber, Aubrey, Autumn, Ariel, Alexis, Alyssa, Ashley, Amberley, Brooke, Brooklynn, Brianna, Brielle, Bailey, Briley, Brodie, Brynn, Brogan, Cassidy, Cameron, Courtney, Crystal, Casey, Callie, Chloe, Dakota, Destiny, Darcey, Emery, Eden, Effie, Erin, Evelyn, Fallon, Genesis, Georgie, Gabrielle, Holly, Hadley, Harley, Hayley, Halle, India, Ivy, Jordan, Jayla, Jessamy, Jasmine, Jade, Juliana, Kayla, Kyla, Kyra, Kennedy, Kendall, Kayleigh, Kelsey, Layla, Leah, Leonie, Leona, Larissa, Liberty, Macey, Miley, Molly, Millie, Mia, Madison, Mackenzie, Mackenna, Marissa, Morgan, Megan, Nicole, Piper, Payton, Payson, Paisley, Paris, Quinn, Ryleigh, Reagan, Rosie, Ruby, Roxanne, Rowena, Romilly, Ramona, Sylvie, Summer, Skye, Scarlett, Savannah, Sienna, Sierra, Sabrina, Saskia, Sadie, Shelby, Silver, Sutton, Tiana, Tegan, Trinity, Torrance, Taryn, Venus, Vienna, Wren, Zillah