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Last name Вилкс (Вилкс
, Vilks
, Vilx) , worldwide, is a rare surname. The cognomen Вилкс is characteristic of Northern Europe, particularly Latvia, where it is quite a common surname, Estonia, where it is quite a rare surname, and Ireland, where it is a rare surname. Measured by absolute frequency, the name is most common in Latvia, Russia, and the United States.