Biography

The Annals of Inisfallen

Annals of Inisfallen

The Annals of Inisfallen are a chronicle of the medieval history of Ireland. There are more than 2,500 entries spanning the years between AD 433 and AD 1450, but it is believed to have been written between the 12th and 15th centuries...

 state 1027 - Muiredach Ua Flaithbertaig besieged Cathal, son of Ruaidrí, on Inis Crema in Loch Oirbsen, and divided his land despite him.

The Chronicon Scotorum

Chronicon Scotorum

Chronicon Scotorum is a medieval Irish chronicle.According to Nollaig Ó Muraíle, it is "a collection of annals belonging to the 'Clonmacnoise group', covering the period from prehistoric times to 1150 but with some gaps, closely related to the 'Annals of Tigernach'...

 states Muiredhach ua Flaitbertaigh king of the Ua mBriuin Sheola was treacherously killed.

Muireadhach was a grandson of Flaithbheartach, hence his suffix

Suffix

In linguistics, a suffix is an affix which is placed after the stem of a word. Common examples are case endings, which indicate the grammatical case of nouns or adjectives, and verb endings, which form the conjugation of verbs...

, which would become the surname Ua/Ó Flaithbheartaigh/O'Flaherty

O'Flaherty

Ó Flaithbertaigh, Gaelic-Irish surname, anglicized as O'Flaherty-Overview:This Gaelic-Irish surname is written as "Ua Flaithbertach" or "Ua Flaithbertaig" in Old Irish and Middle Irish texts....

. The genealogies name his father as Maelcairearda

Maelcairearda

-Biography:There is uncertainty over the succession between Murchad mac Flann mac Glethneachan and Brian. A Maelcairearda King of Uí Briúin, is recorded in the annals as dying in 993 but this may refer to Uí Briúin proper, or indeed its offshoots...

; a person of this name died in 993, listed a king of Uí Briúin, but not explicitly as king of Uí Briúin Seóla. He is listed as having three sons – Ruaidhrí of Lough Cimbe, Donagh Aluinn and Aedh. From Ruaidhrí and Donagh would descended the eastern and western Ó Flaithbheartaigh's of Connemara

Connemara

Connemara is a district in the west of Ireland consisting of a broad peninsula between Killary Harbour and Kilkieran Bay in the west of County Galway.-Overview:...

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