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Cognomen 爱 (爱 , Oi , Ài ) , around the globe, is a widespread family name. The surname 爱 is habitual in China, where it is quite a common surname, Malaysia, and Macao, where it is quite a rare surname. In absolute terms, this name is the most popular in China, Indonesia, and Malaysia. Much less frequently, 爱 is the forename as well as the last name.