Delan

The name Delan is primarily of Irish origin, derived from the Gaelic surname Ó Dalláin, meaning 'descendant of Dallán'. The personal name Dallán itself is thought to come from 'dall', meaning 'blind', or possibly 'poet' (as poets were sometimes associated with blindness in ancient Celtic traditions). Over time, the surname evolved and was anglicized, leading to variations like Dillon and Dallen. While historically a surname, Delan has seen occasional use as a given name, particularly in more recent times.

Its usage as a given name is relatively uncommon, and it can be found for both males and females, though it leans slightly more towards male usage in some regions due to its surname roots. The 'from the alder grove' meaning is often associated with the similar-sounding name Delaney, which also has Irish origins and refers to a place name.