indicate the level to which a name has been verified.
Type Surname (from given name)
Usage Irish
Pronounced Pron. /kɔ.ˈstɛ.loʊ/(English) /kə.ˈstɛ.loʊ/(English) /ˈkɒ.stə.loʊ/(English) [key·simplify]
Meaning & History
Anglicized form of Gaelic Mac Oisdealbhaigh meaning "son of Oisdealbhach". The given name Oisdealbhach is derived from Irish os meaning "deer, fawn" and dealbhach meaning "resembling, shapely".