| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Cassandra | kə-SAN-drə (English), kə-SAHN-drə (English), kahs-SAHN-drah (Italian) | English, Spanish, Portuguese, Italian, French, German, Greek Mythology (Latinized) | ||
| Cassarah | kə-SER-ə, KAS-ə-rə | English (Rare) | ||
| Cassia | KA-shə (English) | Ancient Roman | ||
| Cassian | KASH-ən (English) | Ancient Roman (Anglicized) | ||
| Cassianus | - | Ancient Roman | ||
| Cassidy | KAS-i-dee | English (Modern) | ||
| Cassie | KAS-ee | English | ||
| Cassius | KASH-əs (English), KAS-ee-əs (English) | Ancient Roman, English | ||
| Cate | KAYT | English (Rare) | ||
| Cateline | - | Medieval French | ||
| Catharine | KATH-ə-rin, KATH-rin | English | ||
| Cathasach | - | Ancient Irish | ||
| Catherin | KATH-ə-rin, KATH-rin | English (Rare) | ||
| Catherina | kath-ə-REE-nə, kə-THREE-nə | English (Rare) | ||
| Catherine | ka-tə-REEN (French), ka-TREEN (French), KATH-ə-rin (English), KATH-rin (English) | French, English |