>
Last name Tsay (Tsay , Цай , Тсаи ) , throughout the world, is quite a common surname. The family name Tsay is habitual in Central Asia, particularly Kazakhstan, where it is quite a rare surname, Kyrgyzstan, and Uzbekistan. In absolute terms, the name is most common in Russia, Kazakhstan, and the United States. Much less frequently, Tsay is the forename as well as the last name.