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Surname Kays (Kays
, 凯斯
, Каис
) , throughout the world, is quite a common last name. The family name Kays is habitual in Lebanon, where it is quite a rare surname, Botswana, and Zimbabwe. Measured by absolute frequency, the name is most common in the United States, Zimbabwe, and Lebanon. Also, Kays is the forename as well as the last name.