Submitted NameRevisions Save Type Settlement Usage Irish Pronounced Pron. ki-LAWKH [key·IPA] Edit Status Status [show contributorshide contributors] Added 6/17/2020 by TwiztedJoker39 Edited 8/6/2020 by Frollein Gladys Meaning & History Killough, derived from Irish Cill Locha "church of the loch", is a village and townland in County Down, Northern Ireland.