Great tide or son of the sea
Dyllin is a modern spelling variant of the Welsh name Dylan. In Welsh mythology, Dylan Ail Don was a sea god whose name translates to 'son of the wave' or 'great tide'.
Less common today
Dyllin isn't in the latest US Top 1000. It last peaked at #4,107 in 1992.
US births per 5-year period, 1990–present (SSA data).
