Forgiveness, help, or ocean world
In Japanese, Kaiyu is typically a masculine name formed from kanji such as 'kai' (meaning ocean or sea) and 'yu' (meaning help, forgiveness, or excellence). The specific meaning varies based on the kanji characters chosen by the parents. It is a rare name in the United States, offering a modern, cross-cultural appeal.
About 5 boys were named Kaiyu in 2025.
US births per 5-year period, 1990–present (SSA data).
