Great tide or son of the sea
A variant spelling of the Welsh name Dylan. It is derived from the Welsh elements 'dy', meaning great, and 'llanw', meaning tide or flow. In Welsh mythology, Dylan was a sea deity associated with the waves.
Less common today
Dyllon isn't in the latest US Top 1000. It last peaked at #1,104 in 1992.
US births per 5-year period, 1990–present (SSA data).
