Killymarron or Killymarran (Irish: Coill Uí Mhearáin, meaning 'Ó Mearáin's wood')[1] is a very small rural townland situated between Tydavnet and Ballinode villages in County Monaghan, Ireland. It is 0.3 square kilometres (0.12 sq mi) in area,[2] and had a population of 26 people as of the 2011 census.[3]