Throughout the world, Cierr (Ajar 
, Cierr 
) is quite a common dominantly male, but seldom female forename. The first name Cierr is characteristic of Georgia, where it is quite a rare girly name, Nepal, where it is a rare masculine name, and India, where it is a rare largely male, but uncommonly feminine name. Not in comparison with a country's population, the name is most common in India, Indonesia, and Pakistan. Much less frequently, Cierr is the last name as well as the forename.