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Cognomen Jelil (Jelil
, Джалил
, Джалиль
) , all around the world, is quite a rare surname. The cognomen Jelil is characteristic of Mauritania, where it is quite a rare surname, Kyrgyzstan, and Azerbaijan. Not in comparison with a country's population, it is commonest in Sub-Saharan Africa, particularly Nigeria, Mauritania, and Ethiopia. Also, Jelil is the forename as well as the last name.