Son of the sea or like a lion
Dillan is a variant of the Welsh name Dylan, traditionally meaning 'son of the sea'. It is also sometimes linked to the Gaelic word 'dealán', meaning 'flash of light', or interpreted as 'like a lion' in some contexts.
About 28 boys were named Dillan in 2025.
US births per 5-year period, 1990–present (SSA data).
Professional soccer player
American actor
The same feel as Dillan — far less common.
Hidden gems that stand out.