Modern invented name, possibly a variant of Jason or Dayson
Daesyn is a contemporary American invention with no singular historical etymology. It is likely a creative respelling of Dayson, meaning 'son of Day', or a phonetic blend inspired by popular names like Jason or Mason. Its use is part of a modern trend of adding 'y' and 'n' endings to familiar sounds to create a unique identity.
Fewer than 5 boys were named Daesyn in 2025.
US births per 5-year period, 1990–present (SSA data).
