Last name Kasjan (Kasjan 
, Касян 
) , worldwide, is quite a rare surname. The cognomen Kasjan is habitual in Ukraine, where it is quite a rare surname, Estonia, where it is a rare surname, and Belarus. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Ukraine, Russia, and Poland. Very seldom, Kasjan is the forename as well as the last name.
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jurij kasjan Ukrainian speleologist (born 1961), UA (b. 1961) |
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| jan mirosław kasjan Polish poet, PL (b. 1933) |
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| stanisław aleksander kasjan Polish mathematician |
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