First names Surnames Domain names Main 
CaddieCaddy Caitlin Calista Camille Candace Candi Cadida Candy Cara Carissa Carlin Carla Carleen Carlen Carlene Carlotta Carly Carmel Carmen Carol Carolina Caroline Carrie Carry Cas Casey Cass Cassandra Cassie Cat Catherine Cathie Cathy Catty |
Cecilia Ceeley Celeste Cesca Chantal Charity Charlene Charlotte Chat Chattie Chatty Chelsea Cherise Cherry Cheryl Chloe Chris Chrissie Chrissy Christa Christiana Christie Christina Christine Christy Cilla Cindy Cis Cissie Cissy Clarissa Clem Clemence Clemency Clementina |
Clementina Clementine Cleo Cleopatra Co Coba Cobina Colette Columbina Con Connie Constance Cora Coral Coralie Corrie Courtney Cyn Cyneburga Cynna Cynthia Cynthie |
CadmanCaesar Cal Calder Cale Caleb Calvert Calvin Caldwell Cameron Cap Carl Carlin Carlisle Carlo Carlton Carmine Carney Carroll Carter Carver Cary Casimir Casimiro Casey Caspar Casper Caz Cec Cecil Cedric Ceese Chad Chadwick Chalmers |
Chandler Channing Chapin Chapman Charles Charley Charlie Charly Chatwin Chauncey Chester Chick Chilla Chippy Cholly Chris Christian Christie Christopher Christy Chuck Cis Clare Clarence Clark Clarry Claud Claude Claudie Clay Clayton Clem Clemens Clement Clif |
Clifford Clive Clyde Coleman Colin Colley Collier Collin Colton Con Connie Conan Conrad Conroy Conway Corbin Cornelius Corney Corny Corey Corwin Cosmo Crispinian Crispin Crosby Cuddie Culbert Culver Curt Curtis Cuthbert Cy Cyril Cyro Cyrus |