| EQUIVALENTS |
| ANCIENT ROMAN: Caecilia |
| CROATIAN: Cecilija |
| CZECH: Cecílie, Cecilie |
| DANISH: Cecilia, Cecilie |
| DUTCH: Cécile, Cecilia |
| ENGLISH: Cecelia, Cecilia, Cecily, Cicely, Shayla, Sheelagh, Sheila, Shelagh, Shelia, Shyla |
| FINNISH: Cecilia |
| FRENCH: Cécile |
| GERMAN: Cäcilia, Cäcilie, Caecilia, Cecilia |
| HUNGARIAN: Cecília |
| IRISH: Sheila, Síle |
| ITALIAN: Cecilia |
| NORWEGIAN: Cecilia, Cecilie |
| POLISH: Cecylia |
| PORTUGUESE: Cecília |
| RUSSIAN: Tsetsiliya |
| SCOTTISH: Sìleas |
| SLOVAK: Cecília |
| SLOVENE: Cecilija |
| SPANISH: Cecilia |
| SWEDISH: Cecilia |
| DIMINUTIVES AND SHORT FORMS |
| CROATIAN: Cila |
| DANISH: Cille, Silje, Sille |
| DUTCH: Cilla, Silke |
| ENGLISH: Cece, Celia, Cissy, Sissie, Sissy |
| FINNISH: Silja |
| GERMAN: Silke, Zilla |
| HUNGARIAN: Cili |
| NORWEGIAN: Silje |
| SLOVENE: Cila, Cilka |
| SWEDISH: Cilla |
| MASCULINE FORMS |
| ANCIENT ROMAN: Caecilius |
| ENGLISH: Cecil |
| ITALIAN: Cecilio |
| PORTUGUESE: Cecilio |
| SPANISH: Cecilio |