Cognomen Kaity (Kaity 
, Кейти 
) , in the entire world, is quite a rare last name. The last name Kaity is characteristic of Hungary, where it is a rare surname, India, and Australia, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in India, Hungary, and the United States. Also, Kaity is the forename as well as the last name.