Son of the sea or great flood
Dillion is a variant of the Welsh name Dylan. In Welsh mythology, Dylan was a sea god or hero associated with the ocean, often translated as 'son of the sea'. While the 'Dillion' spelling is much rarer than the standard 'Dylan', it retains the same maritime etymology.
About 17 boys were named Dillion in 2025.
US births per 5-year period, 1990–present (SSA data).
American actress
The same feel as Dillion — far less common.
Hidden gems that stand out.
