Donagh was originally known in Irish as Ua Dúnáin Dhomhnaigh Maighe da Claoíne do Mharbhad (meaning 'O'Doonan's Church of the Plain of the Two Slopes'), later known in Irish as Domhnach Maighe Dhá Chlaoine (meaning 'Church of the Plain of the Two Slopes').[4] It was originally anglicised as 'Donoghmoychinny' or 'Donaghmoyline'. It was later anglicised simply as Donagh.
Features
The village features two protected sites: one is Donagh House, a listed building, the other an ancient ecclesiastical site featuring a ruined church and a graveyard.[5]