1) Historical Celtic people 
The Nagnatae (Ναγναται) or Magnatae (Μαγναται) were a people of ancient Ireland, recorded in Ptolemy`s 2nd century Geography as living in northern Connacht. O`Rahilly suggests a connection between the Nagnatae and the Fir Ól nÉcmacht, a people of early Connacht, assuming a degree of corruption in the transmission of both names......