Cai means rejoice. Rejoice; Sir Kay, Arthur's foster brother This depth of meaning has made it a beloved choice for parents who want a name with genuine significance.

Cai is a Welsh name. Welsh names are among the most lyrical in the British Isles, with a distinctiveness all their own.

Cai is a wonderful and timeless choice. It ages beautifully from childhood through adulthood and has a meaning that parents find deeply resonant.

As a well-loved classic, Cai has maintained steady popularity without becoming overused.