Cognomen ססיליה (Cecilia 
, Cécilia 
, Caecilia 
) , across the world, is a widespread family name. The last name ססיליה is habitual in Latin America and the Caribbean, particularly Mexico, where it is a common surname, Uruguay, where it is quite a common surname, and Curacao (explore the name in all countries). In absolute terms, the name is most common in Mexico, Nigeria, and Argentina. More prevalently, ססיליה is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cecilia | Philippines, Mexico, Nigeria, Argentina, Brazil |
| Cécilia | Sweden, Italy, Spain, United States, Democratic Republic of the Congo |
| Caecilia | South Africa, Italy, Philippines, United States, Brazil |
| ססיליה | Israel |
Cecelia, Cecile, Cecilie, Cecilija, Cecylia, Cecília, Cecílie, Celia, Celina, Celine, Cilla, Cäcilie, Cèlia, Cécile, Célia, Céline, Silke, Селин, Селина, Селия, Селія, Сесилия, Сесиль, Силке, Целина, Цецилия, Цецилія, סילקה, סליה, סלין, سيسيليا, سيليا, سيلين, カーシ, シラ, セシリア, セシル, セリア, 塞西莉亚, 席琳, 瑟林纳, 西尔克, and 西莉亚