Kingdom of Uí Failghe
The kingdom of Uí Fháilghe, Uí Failge (early spelling) or Uíbh Fhailí (modern spelling), (pronounced [iːvʲ ˈalʲiː]) was a Gaelic-Irish kingdom which existed to 1550, the name of which (though not the territory) is preserved in the name of County Offaly (Irish: Contae Uíbh Fhailí), Ireland. County Offaly was constructed from elements of a number of ancient Irish Kingdoms of which Uí Failghe was one amongst such as Mide (present day west Offaly) and Munster (present day south Offaly).