russians in kazakhstan have russian first names.
kazakhs in kazakhstan have kazakh first names.
uzbeks in kazakhstan have uzbek first names. (though there is a lot of overlap between kazakh and uzbek names, some are both)
koreans in kazakhstan have russian first names.
there is also a community of kurds here. i didn’t know that before yesterday when i met one. his name was arab, which i thought was a funny name for a kurd. i wanted to ask him if his brother was named "turk". but i didn't because i didn't think he would think that was funny.