Throughout the world, Цилли (Silli 
, Cilli , Cilly ) is quite a rare gender-neutral given name. The first name Цилли is characteristic of Germany, where it is quite a rare feminine name, Mauritania, where it is quite a rare male name, and Luxembourg, where it is quite a rare female name. Not in comparison with a country's population, the name is most common in Germany, India, and Italy. Also, Цилли is the last name as well as the forename.