The name Kay has various possible origins and meanings. It is believed to have originated from the Gaelic name Cai or Caoi, which means "fire" or "fiery" and was popular in Scotland and Ireland. Another interpretation is from Kaya, which comes from the Turkish word meaning "rock" or "cliff". In Welsh, the name means "rejoice" or "happiness" and is derived from the Latin personal name Gaius. In Scandinavian, Kay is a variant of Kaye or Kai, meaning "rejoice" or "mirth". Kay has several meanings across different cultures. In English, it can also mean "keeper of the keys" when used as a standalone first name. In Greek, the name Kay means "pure" and is often used as a short form of the name Katherine. Additionally, Kay is a popular name in Japanese culture, where it means "flower" or "petal" and is typically spelled as "Kei". The name Kay is an English name, but due to globalization, it can be used in other parts of the world as well.
