Ballyboy or Ballaboy is a village in County Offaly, Ireland. It is about two kilometres east of Kilcormac. The village is in a civil parish of the same name. Prior to the Plantations of Ireland, Ballyboy was ruled by O'Molloy in a territory known as Firceall which was allied to the Kingdom of Meath. When the Gaelic chieftains were removed from power following the E…Ballyboy or Ballaboy is a village in County Offaly, Ireland. It is about two kilometres east of Kilcormac. The village is in a civil parish of the same name. Prior to the Plantations of Ireland, Ballyboy was ruled by O'Molloy in a territory known as Firceall which was allied to the Kingdom of Meath. When the Gaelic chieftains were removed from power following the English Plantations, Firceall was broken up with Ballyboy forming its own barony within the then newly formed King's County.