Dullahan

== English == === Etymology === The surname is from Irish Ó Dubhlacháin, meaning "descendant of [the] Dubhlachán", variously interpreted as "black duckling" or "dark, sullen person", ultimately related to if not cognate with dullahan (“headless horserider”). === Noun === Dullahan (plural Dullahans) Alternative letter-case form of dullahan. === Proper noun === Dullahan A surname from Irish. === References ===