 Chiefs of Cenél Cairpre included O'Mulclohy (the ) a name later translated to Stone.Cairbre's descendants at an early date controlled a larger Cairpre Mor grouping which stretched from Sligo to Westmeath, taking in Leitrim and parts of Fermanagh (such as "Tuatha Ratha" or Magheraboy) and Longford (North Tethbae).It was split in two by the expansion of the Kingdom of Breifne under the Uí Briúin.