| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| CASSANDER | - | Ancient Greek (Latinized) | ||
| Cassandra | [kə'sændrə] | |||
| 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 | ['kæsidi] | |||
| CASSIDY | KAS-i-dee | English (Modern) | ||
| Cassie | ['kæsi] | |||
| CASSIE | KAS-ee | English | ||
| CASSIOPEA | ka-see-ə-PEE-ə (English) | Greek Mythology (Latinized) | ||
| CASSIOPEIA | ka-see-ə-PEE-ə (English) | Greek Mythology (Latinized) | ||
| CASSIUS | KASH-əs (English), KAS-ee-əs (English) | Ancient Roman, English | ||
| Castle | ['ka:sl] |