Kaior is of Hawaiian origin and means "the sea". It is a unisex name, though it is more commonly used for males. The name gained popularity due to its unique sound and connection to the natural world. In Hawaiian culture, the sea holds significant spiritual importance as a source of life and nourishment. Therefore, Kaior is often seen as a symbol of strength, vitality, and freedom. The name Kaior has been growing in popularity worldwide, with notable bearers including Kaior Silva, a Brazilian footballer born in 1987.
The name Kaior experienced significant growth in popularity over the years, with births nearly tripling from 8 in 2017 to 51 in 2023. The most notable increase occurred between 2019 and 2020, when the number of births more than doubled.