Likely a modern invented name or variant of Cason
Kaysin is a contemporary American creation, likely formed by blending the popular 'Kay' prefix with the 'sin' or 'son' suffix. It is often considered a phonetic variant of Cason or Kasen, which can trace roots to the English surname meaning 'son of Case' or the Greek name Jason.
US births per 5-year period, 1990–present (SSA data).
