Kai is a unisex name of Hawaiian, Scottish and Welsh origin. Meaning in Hawaiian: The sea. Meaning in Scottish: Fire. Meaning in Welsh: Keeper of the keys. Form of Kay. The name has 3 letters.
Diminutive of John: God is gracious. During the Middle Ages, Jack was so common that it was used as a general term for 'man' or 'boy'. Supplanter. God is gracious. A diminutive of John and influenced by Jack. Today, Jock is commonly used as a nickname for someone who is heavily involved in sports and has been used in the past as a nickname for a Scot or as a slang term for a Scottish soldier.
Variant of the Hebrew John 'Jehovah has been gracious; has shown favor.'. Variant of the Hebrew John: Jehovah has been gracious; has shown favor. Son of John.