abstract:Crom Cruach or Cromm Crúaich (Classical Irish/Gaelic pronunciation /ˈkɾˠɔmˠ ˈkɾˠuəç/), also known as Cenn Cruach /ˈkʲɛnˠ: ˈkɾˠuəxˠ/ or Cenncroithi /ˈkʲɛnˠ: ˈkɾˠoθʲɨ/, was a deity in pre-Christian Ireland, reputedly propitiated with human sacrifice, whose worship is said to have been ended by St. Patrick.