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Surname Kosiak (Kosiak , Косяк , Косиак ) , in all the world, is quite a common family name. The last name Kosiak is characteristic of Ukraine, where it is quite a rare surname, Belarus, and Kazakhstan. Measured by absolute frequency, it most frequently occurs in Eastern Europe, particularly Ukraine, Russia, and Belarus. Very seldom, Kosiak is the forename as well as the last name.
VARIANT | COUNTRY |
---|---|
Kosiak | Brazil, Argentina, United States, Poland, France |
Косяк | Russia, Belarus, Ukraine, Kazakhstan |
Косиак | Russia |