Kaiyo is of Japanese origin, derived from the word "kai" meaning "shellfish" and "yo" meaning "good." It is often used as a female given name but can also be unisex. The name Kaiyo has a gentle, nature-inspired sound to it, which may appeal to parents looking for unique yet meaningful names for their children. In Japan, where the name is most common, it is known for its beauty and rarity.
"Kaiyo saw a slight dip in births from 2021 to 2022, with numbers rebounding slightly in 2023."