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).
Less common today
Dylen isn't in the latest US Top 1000. It last peaked at #2,074 in 2004.
US births per 5-year period, 1990βpresent (SSA data).