Uncertain; likely a modern variant of Kai or Kayden.
Kaiyen is a contemporary creation, likely formed by blending the popular name Kai with the rhythmic suffix -en found in names like Hayden or Jayden. While it lacks a singular ancient etymology, it draws on the diverse roots of Kai, which can mean 'sea' in Hawaiian or 'forgiveness' in Japanese.
Less common today
Kaiyen isn't in the latest US Top 1000. It last peaked at #7,153 in 2022.
US births per 5-year period, 1990–present (SSA data).
