Kairi is a name of Japanese origin, derived from the word "kai" meaning "shell." It's often associated with the sea and marine life. The name gained popularity worldwide due to its use in the video game series "Kingdom Hearts," where it's the given name of one of the main characters. However, it has been used as a girls' name in Japan for many years before that.
The name Kairi has seen varied popularity over the years, with a significant increase in usage since around 2017. The most popular years recently were 2022 with 46 births and 2023 with 42 births.