Surname 爾 (Yi 
, Ji , Yee , and others...) , in all the world, is a prevalent family name. The cognomen 爾 is habitual in South Korea, where it is a prevalent surname, Mongolia, and Malaysia (explore the name in all countries). Not in comparison with a country's population, the name is most common in South Korea, China, and Malaysia. Very seldom, 爾 is the forename as well as the last name.