Clancy \c-lan-cy, cl(a)-ncy\ as a boy's name is pronounced KLAN-see. It is of Irish and Gaelic origin, and the meaning of Clancy is "son of Flannchadh". Surname. Flannchadh is an ancient Irish name meaning "red warrior".

Clancy has 2 variant forms: Clancey and Claney.

A baby name that sounds like Clancy is Collins.