Submitted names are contributed by users of this website. Check marks 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".
Added 12/1/2009 by rachelmary
Edited 4/29/2021 by HL