Ballycowan (barony)Ballycowan or Ballycowen is a barony in County Offaly, Ireland.EtymologyBallycowan derives its name from Ballycowan Castle and the townland of Ballycowan.LocationBallycowan is located in north County Offaly, around the valleys of the Clodiagh River and Silver River.HistoryBallycowan was part of the territory of the Ó Maolmhuaidh sept of the Southern Uí Néill. The Uí Shuanaig sept is cited here near Rathan.List of settlementsBelow is a list of settlements in Ballycowan:DurrowRahanScregganTullamore