Flaithnia mac Flainn (died 755) was a king of the Uí Failge, a Laigin people of County Offaly. He was one of the many sons of Fland Dá Chongal, a previous king.Mac Niocaill, pg.127 He ruled from 741 to 755.in the Book of Leinster king list he is only given a reign of 3 years.
His predecessor and half-brother Ailill Corrach mac Flainn was killed in 741 but the circumstances are not given.Annals of Ulster, AU 741.9 Nothing is recorded of Flaithnia in the annals other than his death obit.AU 755.5; Annals of Tigernach, AT 755.6
His son Domnall mac Flaíthnia (died 783) was a king of the Uí Failge.
Notes
See also Kings of Ui Failghe
References
Annals of Ulster at at University College Cork Annals of Tigernach at at University College Cork Mac Niocaill, Gearoid (1972), Ireland before the Vikings, Dublin: Gill and Macmillan Book of Leinster,Rig hua Falge at at University College Cork
External links CELT: Corpus of Electronic Texts at University College Cork