Son of the sea or born from the waves
Dylen is a modern spelling variant of the Welsh name Dylan. In Welsh mythology, Dylan ail Don was a sea deity whose name is derived from the elements 'dy' (great) and 'llanw' (tide, flow).
About 6 boys were named Dylen in 2025.
US births per 5-year period, 1990–present (SSA data).
