| NAME | ORIGIN | MEANING |
| Catherin | Greek | Pure. Clear. |
| Catherine | Greek | pure |
| Catheryn | Anglo-Saxon | Innocent. |
| Catheryna | Greek | Pure. Clear. |
| Cathi | English | Form of the Greek Catherine meaning pure. |
| Cathia | English | Form of the Greek Catherine meaning pure. |
| Cathicen | French | Variant of Catherine: Pure, clear. Form of the Latin Katharina, from the Greek Aikaterina. |
| Cathie | English | Form of the Greek Catherine meaning pure. |
| Cathleen | Greek | Pure. Clear. |
| Cathlin | Greek | Pure. Clear. |
| Cathrine | Gaelic | Form of the Greek Catherine meaning pure. |
| Cathryn | Anglo-Saxon | Innocent. |
| Cathy | Greek | Pure |
| Catia | Greek | Pure. Clear. |
| Catlee | Irish | Pure. |
| Catlin | Irish | Variant of Katherine meaning pure. |
| Catline | Irish | Variant of Katherine meaning pure. |
| Catlyn | Irish | Variant of Katherine meaning pure. |
| Catori | Native American | Spriti |
| Catrice | English | Modern blend of Catrina and Patrice. |
| Catrin | Welsh | Pure |
| Catrina | Portuguese | Form of the Greek Catherine meaning pure. |
| Catriona | Celtic/Gaelic | Pure |
| Cattee | Irish | Variant of Katherine meaning pure. |
| Cavana | Irish | From Cavan. |
| Caycee | Greek | Abbreviation of Acacia meaning guileless. |
| Cayenne | French | Hot Spice |
| Cayla | Hebrew | Crown of Laurel |
| Caylee | Gaelic | Slender. Variant of Caley or Cailley: (French) 'from the forest. |
| Cayleigh | Gaelic | party |
