Where does “Moriarty” come from?

Moriarty is the Anglicized form of the Irish surname Ó Muircheartaigh, derived from a Gaelic personal name of uncertain origin and meaning.

Moriarty (English): Professor James Moriarty, fictional archenemy and nemesis of Sherlock Holmes; by extension any such archenemy or nemesis

Definitions

  1. Professor James Moriarty, fictional archenemy and nemesis of Sherlock Holmes; by extension any such archenemy or nemesis

Ancestry of “Moriarty”, step by step

StepLanguageWordMeaning
1IrishÓ Muircheartaigh

Words derived from “Moriarty

Every word from Irish Ó Muircheartaigh
Moriarty — Etymology, Origin & Word History | Etymology Explorer